| 1 | <?php |
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| 2 | /** |
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| 3 | * Main WordPress API |
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| 4 | * |
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| 5 | * @package WordPress |
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| 6 | */ |
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| 7 | |
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| 8 | /** |
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| 9 | * Converts MySQL DATETIME field to user specified date format. |
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| 10 | * |
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| 11 | * If $dateformatstring has 'G' value, then gmmktime() function will be used to |
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| 12 | * make the time. If $dateformatstring is set to 'U', then mktime() function |
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| 13 | * will be used to make the time. |
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| 14 | * |
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| 15 | * The $translate will only be used, if it is set to true and it is by default |
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| 16 | * and if the $wp_locale object has the month and weekday set. |
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| 17 | * |
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| 18 | * @since 0.71 |
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| 19 | * |
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| 20 | * @param string $dateformatstring Either 'G', 'U', or php date format. |
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| 21 | * @param string $mysqlstring Time from mysql DATETIME field. |
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| 22 | * @param bool $translate Optional. Default is true. Will switch format to locale. |
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| 23 | * @return string Date formated by $dateformatstring or locale (if available). |
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| 24 | */ |
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| 25 | function mysql2date( $dateformatstring, $mysqlstring, $translate = true ) { |
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| 26 | global $wp_locale; |
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| 27 | $m = $mysqlstring; |
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| 28 | if ( empty( $m ) ) |
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| 29 | return false; |
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| 30 | |
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| 31 | if( 'G' == $dateformatstring ) { |
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| 32 | return strtotime( $m . ' +0000' ); |
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| 33 | } |
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| 34 | |
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| 35 | $i = strtotime( $m ); |
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| 36 | |
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| 37 | if( 'U' == $dateformatstring ) |
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| 38 | return $i; |
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| 39 | |
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| 40 | if ( $translate) |
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| 41 | return date_i18n( $dateformatstring, $i ); |
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| 42 | else |
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| 43 | return date( $dateformatstring, $i ); |
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| 44 | } |
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| 45 | |
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| 46 | /** |
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| 47 | * Retrieve the current time based on specified type. |
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| 48 | * |
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| 49 | * The 'mysql' type will return the time in the format for MySQL DATETIME field. |
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| 50 | * The 'timestamp' type will return the current timestamp. |
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| 51 | * |
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| 52 | * If $gmt is set to either '1' or 'true', then both types will use GMT time. |
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| 53 | * if $gmt is false, the output is adjusted with the GMT offset in the WordPress option. |
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| 54 | * |
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| 55 | * @since 1.0.0 |
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| 56 | * |
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| 57 | * @param string $type Either 'mysql' or 'timestamp'. |
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| 58 | * @param int|bool $gmt Optional. Whether to use GMT timezone. Default is false. |
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| 59 | * @return int|string String if $type is 'gmt', int if $type is 'timestamp'. |
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| 60 | */ |
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| 61 | function current_time( $type, $gmt = 0 ) { |
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| 62 | switch ( $type ) { |
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| 63 | case 'mysql': |
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| 64 | return ( $gmt ) ? gmdate( 'Y-m-d H:i:s' ) : gmdate( 'Y-m-d H:i:s', ( time() + ( get_option( 'gmt_offset' ) * 3600 ) ) ); |
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| 65 | break; |
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| 66 | case 'timestamp': |
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| 67 | return ( $gmt ) ? time() : time() + ( get_option( 'gmt_offset' ) * 3600 ); |
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| 68 | break; |
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| 69 | } |
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| 70 | } |
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| 71 | |
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| 72 | /** |
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| 73 | * Retrieve the date in localized format, based on timestamp. |
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| 74 | * |
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| 75 | * If the locale specifies the locale month and weekday, then the locale will |
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| 76 | * take over the format for the date. If it isn't, then the date format string |
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| 77 | * will be used instead. |
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| 78 | * |
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| 79 | * @since 0.71 |
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| 80 | * |
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| 81 | * @param string $dateformatstring Format to display the date. |
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| 82 | * @param int $unixtimestamp Optional. Unix timestamp. |
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| 83 | * @param bool $gmt Optional, default is false. Whether to convert to GMT for time. |
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| 84 | * @return string The date, translated if locale specifies it. |
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| 85 | */ |
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| 86 | function date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) { |
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| 87 | global $wp_locale; |
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| 88 | $i = $unixtimestamp; |
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| 89 | // Sanity check for PHP 5.1.0- |
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| 90 | if ( false === $i || intval($i) < 0 ) { |
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| 91 | if ( ! $gmt ) |
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| 92 | $i = current_time( 'timestamp' ); |
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| 93 | else |
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| 94 | $i = time(); |
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| 95 | // we should not let date() interfere with our |
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| 96 | // specially computed timestamp |
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| 97 | $gmt = true; |
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| 98 | } |
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| 99 | |
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| 100 | // store original value for language with untypical grammars |
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| 101 | // see http://core.trac.wordpress.org/ticket/9396 |
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| 102 | $req_format = $dateformatstring; |
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| 103 | |
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| 104 | $datefunc = $gmt? 'gmdate' : 'date'; |
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| 105 | |
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| 106 | if ( ( !empty( $wp_locale->month ) ) && ( !empty( $wp_locale->weekday ) ) ) { |
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| 107 | $datemonth = $wp_locale->get_month( $datefunc( 'm', $i ) ); |
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| 108 | $datemonth_abbrev = $wp_locale->get_month_abbrev( $datemonth ); |
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| 109 | $dateweekday = $wp_locale->get_weekday( $datefunc( 'w', $i ) ); |
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| 110 | $dateweekday_abbrev = $wp_locale->get_weekday_abbrev( $dateweekday ); |
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| 111 | $datemeridiem = $wp_locale->get_meridiem( $datefunc( 'a', $i ) ); |
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| 112 | $datemeridiem_capital = $wp_locale->get_meridiem( $datefunc( 'A', $i ) ); |
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| 113 | $dateformatstring = ' '.$dateformatstring; |
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| 114 | $dateformatstring = preg_replace( "/([^\\\])D/", "\\1" . backslashit( $dateweekday_abbrev ), $dateformatstring ); |
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| 115 | $dateformatstring = preg_replace( "/([^\\\])F/", "\\1" . backslashit( $datemonth ), $dateformatstring ); |
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| 116 | $dateformatstring = preg_replace( "/([^\\\])l/", "\\1" . backslashit( $dateweekday ), $dateformatstring ); |
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| 117 | $dateformatstring = preg_replace( "/([^\\\])M/", "\\1" . backslashit( $datemonth_abbrev ), $dateformatstring ); |
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| 118 | $dateformatstring = preg_replace( "/([^\\\])a/", "\\1" . backslashit( $datemeridiem ), $dateformatstring ); |
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| 119 | $dateformatstring = preg_replace( "/([^\\\])A/", "\\1" . backslashit( $datemeridiem_capital ), $dateformatstring ); |
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| 120 | |
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| 121 | $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 ); |
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| 122 | } |
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| 123 | $j = @$datefunc( $dateformatstring, $i ); |
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| 124 | // allow plugins to redo this entirely for languages with untypical grammars |
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| 125 | $j = apply_filters('date_i18n', $j, $req_format, $i, $gmt); |
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| 126 | return $j; |
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| 127 | } |
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| 128 | |
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| 129 | /** |
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| 130 | * Convert number to format based on the locale. |
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| 131 | * |
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| 132 | * @since 2.3.0 |
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| 133 | * |
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| 134 | * @param mixed $number The number to convert based on locale. |
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| 135 | * @param int $decimals Precision of the number of decimal places. |
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| 136 | * @return string Converted number in string format. |
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| 137 | */ |
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| 138 | function number_format_i18n( $number, $decimals = null ) { |
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| 139 | global $wp_locale; |
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| 140 | // let the user override the precision only |
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| 141 | $decimals = ( is_null( $decimals ) ) ? $wp_locale->number_format['decimals'] : intval( $decimals ); |
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| 142 | |
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| 143 | $num = number_format( $number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] ); |
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| 144 | |
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| 145 | // let the user translate digits from latin to localized language |
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| 146 | return apply_filters( 'number_format_i18n', $num ); |
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| 147 | } |
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| 148 | |
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| 149 | /** |
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| 150 | * Convert number of bytes largest unit bytes will fit into. |
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| 151 | * |
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| 152 | * It is easier to read 1kB than 1024 bytes and 1MB than 1048576 bytes. Converts |
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| 153 | * number of bytes to human readable number by taking the number of that unit |
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| 154 | * that the bytes will go into it. Supports TB value. |
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| 155 | * |
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| 156 | * Please note that integers in PHP are limited to 32 bits, unless they are on |
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| 157 | * 64 bit architecture, then they have 64 bit size. If you need to place the |
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| 158 | * larger size then what PHP integer type will hold, then use a string. It will |
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| 159 | * be converted to a double, which should always have 64 bit length. |
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| 160 | * |
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| 161 | * Technically the correct unit names for powers of 1024 are KiB, MiB etc. |
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| 162 | * @link http://en.wikipedia.org/wiki/Byte |
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| 163 | * |
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| 164 | * @since 2.3.0 |
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| 165 | * |
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| 166 | * @param int|string $bytes Number of bytes. Note max integer size for integers. |
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| 167 | * @param int $decimals Precision of number of decimal places. |
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| 168 | * @return bool|string False on failure. Number string on success. |
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| 169 | */ |
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| 170 | function size_format( $bytes, $decimals = null ) { |
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| 171 | $quant = array( |
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| 172 | // ========================= Origin ==== |
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| 173 | 'TB' => 1099511627776, // pow( 1024, 4) |
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| 174 | 'GB' => 1073741824, // pow( 1024, 3) |
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| 175 | 'MB' => 1048576, // pow( 1024, 2) |
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| 176 | 'kB' => 1024, // pow( 1024, 1) |
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| 177 | 'B ' => 1, // pow( 1024, 0) |
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| 178 | ); |
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| 179 | |
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| 180 | foreach ( $quant as $unit => $mag ) |
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| 181 | if ( doubleval($bytes) >= $mag ) |
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| 182 | return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit; |
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| 183 | |
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| 184 | return false; |
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| 185 | } |
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| 186 | |
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| 187 | /** |
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| 188 | * Get the week start and end from the datetime or date string from mysql. |
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| 189 | * |
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| 190 | * @since 0.71 |
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| 191 | * |
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| 192 | * @param string $mysqlstring Date or datetime field type from mysql. |
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| 193 | * @param int $start_of_week Optional. Start of the week as an integer. |
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| 194 | * @return array Keys are 'start' and 'end'. |
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| 195 | */ |
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| 196 | function get_weekstartend( $mysqlstring, $start_of_week = '' ) { |
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| 197 | $my = substr( $mysqlstring, 0, 4 ); // Mysql string Year |
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| 198 | $mm = substr( $mysqlstring, 8, 2 ); // Mysql string Month |
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| 199 | $md = substr( $mysqlstring, 5, 2 ); // Mysql string day |
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| 200 | $day = mktime( 0, 0, 0, $md, $mm, $my ); // The timestamp for mysqlstring day. |
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| 201 | $weekday = date( 'w', $day ); // The day of the week from the timestamp |
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| 202 | $i = 86400; // One day |
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| 203 | if( !is_numeric($start_of_week) ) |
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| 204 | $start_of_week = get_option( 'start_of_week' ); |
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| 205 | |
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| 206 | if ( $weekday < $start_of_week ) |
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| 207 | $weekday = 7 - $start_of_week - $weekday; |
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| 208 | |
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| 209 | while ( $weekday > $start_of_week ) { |
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| 210 | $weekday = date( 'w', $day ); |
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| 211 | if ( $weekday < $start_of_week ) |
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| 212 | $weekday = 7 - $start_of_week - $weekday; |
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| 213 | |
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| 214 | $day -= 86400; |
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| 215 | $i = 0; |
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| 216 | } |
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| 217 | $week['start'] = $day + 86400 - $i; |
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| 218 | $week['end'] = $week['start'] + 604799; |
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| 219 | return $week; |
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| 220 | } |
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| 221 | |
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| 222 | /** |
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| 223 | * Unserialize value only if it was serialized. |
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| 224 | * |
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| 225 | * @since 2.0.0 |
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| 226 | * |
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| 227 | * @param string $original Maybe unserialized original, if is needed. |
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| 228 | * @return mixed Unserialized data can be any type. |
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| 229 | */ |
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| 230 | function maybe_unserialize( $original ) { |
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| 231 | if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in |
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| 232 | return @unserialize( $original ); |
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| 233 | return $original; |
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| 234 | } |
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| 235 | |
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| 236 | /** |
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| 237 | * Check value to find if it was serialized. |
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| 238 | * |
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| 239 | * If $data is not an string, then returned value will always be false. |
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| 240 | * Serialized data is always a string. |
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| 241 | * |
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| 242 | * @since 2.0.5 |
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| 243 | * |
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| 244 | * @param mixed $data Value to check to see if was serialized. |
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| 245 | * @return bool False if not serialized and true if it was. |
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| 246 | */ |
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| 247 | function is_serialized( $data ) { |
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| 248 | // if it isn't a string, it isn't serialized |
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| 249 | if ( !is_string( $data ) ) |
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| 250 | return false; |
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| 251 | $data = trim( $data ); |
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| 252 | if ( 'N;' == $data ) |
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| 253 | return true; |
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| 254 | if ( !preg_match( '/^([adObis]):/', $data, $badions ) ) |
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| 255 | return false; |
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| 256 | switch ( $badions[1] ) { |
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| 257 | case 'a' : |
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| 258 | case 'O' : |
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| 259 | case 's' : |
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| 260 | if ( preg_match( "/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data ) ) |
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| 261 | return true; |
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| 262 | break; |
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| 263 | case 'b' : |
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| 264 | case 'i' : |
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| 265 | case 'd' : |
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| 266 | if ( preg_match( "/^{$badions[1]}:[0-9.E-]+;\$/", $data ) ) |
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| 267 | return true; |
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| 268 | break; |
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| 269 | } |
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| 270 | return false; |
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| 271 | } |
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| 272 | |
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| 273 | /** |
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| 274 | * Check whether serialized data is of string type. |
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| 275 | * |
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| 276 | * @since 2.0.5 |
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| 277 | * |
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| 278 | * @param mixed $data Serialized data |
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| 279 | * @return bool False if not a serialized string, true if it is. |
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| 280 | */ |
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| 281 | function is_serialized_string( $data ) { |
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| 282 | // if it isn't a string, it isn't a serialized string |
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| 283 | if ( !is_string( $data ) ) |
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| 284 | return false; |
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| 285 | $data = trim( $data ); |
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| 286 | if ( preg_match( '/^s:[0-9]+:.*;$/s', $data ) ) // this should fetch all serialized strings |
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| 287 | return true; |
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| 288 | return false; |
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| 289 | } |
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| 290 | |
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| 291 | /** |
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| 292 | * Retrieve option value based on option name. |
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| 293 | * |
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| 294 | * If the option does not exist or does not have a value, then the return value |
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| 295 | * will be false. This is useful to check whether you need to install an option |
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| 296 | * and is commonly used during installation of plugin options and to test |
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| 297 | * whether upgrading is required. |
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| 298 | * |
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| 299 | * You can "short-circuit" the retrieval of the option from the database for |
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| 300 | * your plugin or core options that aren't protected. You can do so by hooking |
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| 301 | * into the 'pre_option_$option' with the $option being replaced by the option |
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| 302 | * name. You should not try to override special options, but you will not be |
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| 303 | * prevented from doing so. |
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| 304 | * |
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| 305 | * There is a second filter called 'option_$option' with the $option being |
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| 306 | * replaced with the option name. This gives the value as the only parameter. |
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| 307 | * |
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| 308 | * If the option was serialized, when the option was added and, or updated, then |
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| 309 | * it will be unserialized, when it is returned. |
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| 310 | * |
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| 311 | * @since 1.5.0 |
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| 312 | * @package WordPress |
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| 313 | * @subpackage Option |
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| 314 | * @uses apply_filters() Calls 'pre_option_$option' null to allow overwriting |
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| 315 | * the option value in a plugin. |
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| 316 | * @uses apply_filters() Calls 'option_$option' with the option name value. |
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| 317 | * |
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| 318 | * @param string $option Name of option to retrieve. Should already be SQL-escaped |
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| 319 | * @param mixed $default Optional value to return if option doesn't exist |
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| 320 | * @return mixed Value set for the option. |
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| 321 | */ |
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| 322 | function get_option( $option, $default = false ) { |
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| 323 | global $wpdb; |
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| 324 | |
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| 325 | // Allow plugins to short-circuit options. |
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| 326 | $pre = apply_filters( 'pre_option_' . $option, null ); |
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| 327 | if ( null !== $pre ) |
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| 328 | return $pre; |
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| 329 | |
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| 330 | // prevent non-existent options from triggering multiple queries |
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| 331 | $notoptions = wp_cache_get( 'notoptions', 'options' ); |
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| 332 | if ( isset( $notoptions[$option] ) ) |
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| 333 | return $default; |
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| 334 | |
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| 335 | $alloptions = wp_load_alloptions(); |
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| 336 | |
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| 337 | if ( isset( $alloptions[$option] ) ) { |
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| 338 | $value = $alloptions[$option]; |
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| 339 | } else { |
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| 340 | $value = wp_cache_get( $option, 'options' ); |
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| 341 | |
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| 342 | if ( false === $value ) { |
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| 343 | if ( defined( 'WP_INSTALLING' ) ) |
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| 344 | $suppress = $wpdb->suppress_errors(); |
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| 345 | // expected_slashed ($option) |
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| 346 | $row = $wpdb->get_row( "SELECT option_value FROM $wpdb->options WHERE option_name = '$option' LIMIT 1" ); |
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| 347 | if ( defined( 'WP_INSTALLING' ) ) |
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| 348 | $wpdb->suppress_errors($suppress); |
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| 349 | |
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| 350 | // Has to be get_row instead of get_var because of funkiness with 0, false, null values |
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| 351 | if ( is_object( $row ) ) { |
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| 352 | $value = $row->option_value; |
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| 353 | wp_cache_add( $option, $value, 'options' ); |
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| 354 | } else { // option does not exist, so we must cache its non-existence |
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| 355 | $notoptions[$option] = true; |
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| 356 | wp_cache_set( 'notoptions', $notoptions, 'options' ); |
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| 357 | return $default; |
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| 358 | } |
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| 359 | } |
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| 360 | } |
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| 361 | |
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| 362 | // If home is not set use siteurl. |
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| 363 | if ( 'home' == $option && '' == $value ) |
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| 364 | return get_option( 'siteurl' ); |
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| 365 | |
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| 366 | if ( in_array( $option, array( 'siteurl', 'home', 'category_base', 'tag_base' ) ) ) |
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| 367 | $value = untrailingslashit( $value ); |
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| 368 | |
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| 369 | return apply_filters( 'option_' . $option, maybe_unserialize( $value ) ); |
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| 370 | } |
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| 371 | |
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| 372 | /** |
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| 373 | * Protect WordPress special option from being modified. |
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| 374 | * |
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| 375 | * Will die if $option is in protected list. Protected options are 'alloptions' |
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| 376 | * and 'notoptions' options. |
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| 377 | * |
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| 378 | * @since 2.2.0 |
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| 379 | * @package WordPress |
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| 380 | * @subpackage Option |
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| 381 | * |
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| 382 | * @param string $option Option name. |
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| 383 | */ |
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| 384 | function wp_protect_special_option( $option ) { |
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| 385 | $protected = array( 'alloptions', 'notoptions' ); |
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| 386 | if ( in_array( $option, $protected ) ) |
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| 387 | die( sprintf( __( '%s is a protected WP option and may not be modified' ), esc_html( $option ) ) ); |
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| 388 | } |
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| 389 | |
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| 390 | /** |
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| 391 | * Print option value after sanitizing for forms. |
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| 392 | * |
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| 393 | * @uses attr Sanitizes value. |
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| 394 | * @since 1.5.0 |
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| 395 | * @package WordPress |
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| 396 | * @subpackage Option |
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| 397 | * |
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| 398 | * @param string $option Option name. |
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| 399 | */ |
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| 400 | function form_option( $option ) { |
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| 401 | echo esc_attr(get_option( $option ) ); |
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| 402 | } |
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| 403 | |
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| 404 | /** |
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| 405 | * Retrieve all autoload options or all options, if no autoloaded ones exist. |
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| 406 | * |
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| 407 | * This is different from wp_load_alloptions() in that this function does not |
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| 408 | * cache its results and will retrieve all options from the database every time |
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| 409 | * |
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| 410 | * it is called. |
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| 411 | * |
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| 412 | * @since 1.0.0 |
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| 413 | * @package WordPress |
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| 414 | * @subpackage Option |
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| 415 | * @uses apply_filters() Calls 'pre_option_$optionname' hook with option value as parameter. |
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| 416 | * @uses apply_filters() Calls 'all_options' on options list. |
|---|
| 417 | * |
|---|
| 418 | * @return array List of all options. |
|---|
| 419 | */ |
|---|
| 420 | function get_alloptions() { |
|---|
| 421 | global $wpdb; |
|---|
| 422 | $show = $wpdb->hide_errors(); |
|---|
| 423 | if ( !$options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) ) |
|---|
| 424 | $options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ); |
|---|
| 425 | $wpdb->show_errors($show); |
|---|
| 426 | |
|---|
| 427 | foreach ( (array) $options as $option ) { |
|---|
| 428 | // "When trying to design a foolproof system, |
|---|
| 429 | // never underestimate the ingenuity of the fools :)" -- Dougal |
|---|
| 430 | if ( in_array( $option->option_name, array( 'siteurl', 'home', 'category_base', 'tag_base' ) ) ) |
|---|
| 431 | $option->option_value = untrailingslashit( $option->option_value ); |
|---|
| 432 | $value = maybe_unserialize( $option->option_value ); |
|---|
| 433 | $all_options->{$option->option_name} = apply_filters( 'pre_option_' . $option->option_name, $value ); |
|---|
| 434 | } |
|---|
| 435 | return apply_filters( 'all_options', $all_options ); |
|---|
| 436 | } |
|---|
| 437 | |
|---|
| 438 | /** |
|---|
| 439 | * Loads and caches all autoloaded options, if available or all options. |
|---|
| 440 | * |
|---|
| 441 | * This is different from get_alloptions(), in that this function will cache the |
|---|
| 442 | * options and will return the cached options when called again. |
|---|
| 443 | * |
|---|
| 444 | * @since 2.2.0 |
|---|
| 445 | * @package WordPress |
|---|
| 446 | * @subpackage Option |
|---|
| 447 | * |
|---|
| 448 | * @return array List all options. |
|---|
| 449 | */ |
|---|
| 450 | function wp_load_alloptions() { |
|---|
| 451 | global $wpdb; |
|---|
| 452 | |
|---|
| 453 | $alloptions = wp_cache_get( 'alloptions', 'options' ); |
|---|
| 454 | |
|---|
| 455 | if ( !$alloptions ) { |
|---|
| 456 | $suppress = $wpdb->suppress_errors(); |
|---|
| 457 | if ( !$alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) ) |
|---|
| 458 | $alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ); |
|---|
| 459 | $wpdb->suppress_errors($suppress); |
|---|
| 460 | $alloptions = array(); |
|---|
| 461 | foreach ( (array) $alloptions_db as $o ) |
|---|
| 462 | $alloptions[$o->option_name] = $o->option_value; |
|---|
| 463 | wp_cache_add( 'alloptions', $alloptions, 'options' ); |
|---|
| 464 | } |
|---|
| 465 | return $alloptions; |
|---|
| 466 | } |
|---|
| 467 | |
|---|
| 468 | /** |
|---|
| 469 | * Update the value of an option that was already added. |
|---|
| 470 | * |
|---|
| 471 | * You do not need to serialize values, if the value needs to be serialize, then |
|---|
| 472 | * it will be serialized before it is inserted into the database. Remember, |
|---|
| 473 | * resources can not be serialized or added as an option. |
|---|
| 474 | * |
|---|
| 475 | * If the option does not exist, then the option will be added with the option |
|---|
| 476 | * value, but you will not be able to set whether it is autoloaded. If you want |
|---|
| 477 | * to set whether an option autoloaded, then you need to use the add_option(). |
|---|
| 478 | * |
|---|
| 479 | * Before the option is updated, then the filter named |
|---|
| 480 | * 'pre_update_option_$option', with the $option as the $option parameter value, |
|---|
| 481 | * will be called. The hook should accept two parameters, the first is the new |
|---|
| 482 | * and the second is the old value. Whatever is returned will be used as the new |
|---|
| 483 | * value. |
|---|
| 484 | * |
|---|
| 485 | * After the value has been updated the action named 'update_option_$option' |
|---|
| 486 | * will be called. This action receives two parameters the first being the old |
|---|
| 487 | * value and the second the new value. |
|---|
| 488 | * |
|---|
| 489 | * @since 1.0.0 |
|---|
| 490 | * @package WordPress |
|---|
| 491 | * @subpackage Option |
|---|
| 492 | * @uses apply_filters() calls 'pre_update_option_$option' to allow overwriting |
|---|
| 493 | * the option value in a plugin. |
|---|
| 494 | * |
|---|
| 495 | * @param string $option Option name. Expected to not be SQL-escaped |
|---|
| 496 | * @param mixed $value Option value. |
|---|
| 497 | * @return bool False if value was not updated and true if value was updated. |
|---|
| 498 | */ |
|---|
| 499 | function update_option( $option, $value ) { |
|---|
| 500 | global $wpdb; |
|---|
| 501 | |
|---|
| 502 | wp_protect_special_option( $option ); |
|---|
| 503 | |
|---|
| 504 | $safe_option = esc_sql( $option ); |
|---|
| 505 | $new_value = sanitize_option( $option, $value ); |
|---|
| 506 | $old_value = get_option( $safe_option ); |
|---|
| 507 | $new_value = apply_filters( 'pre_update_option_' . $option, $new_value, $old_value ); |
|---|
| 508 | |
|---|
| 509 | // If the new and old values are the same, no need to update. |
|---|
| 510 | if ( $new_value === $old_value ) |
|---|
| 511 | return false; |
|---|
| 512 | |
|---|
| 513 | if ( false === $old_value ) |
|---|
| 514 | return add_option( $option, $new_value ); |
|---|
| 515 | |
|---|
| 516 | $notoptions = wp_cache_get( 'notoptions', 'options' ); |
|---|
| 517 | if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) { |
|---|
| 518 | unset( $notoptions[$option] ); |
|---|
| 519 | wp_cache_set( 'notoptions', $notoptions, 'options' ); |
|---|
| 520 | } |
|---|
| 521 | |
|---|
| 522 | $_new_value = $new_value; |
|---|
| 523 | $new_value = maybe_serialize( $new_value ); |
|---|
| 524 | |
|---|
| 525 | do_action( 'update_option', $option, $old_value, $new_value ); |
|---|
| 526 | $alloptions = wp_load_alloptions(); |
|---|
| 527 | if ( isset( $alloptions[$option] ) ) { |
|---|
| 528 | $alloptions[$option] = $new_value; |
|---|
| 529 | wp_cache_set( 'alloptions', $alloptions, 'options' ); |
|---|
| 530 | } else { |
|---|
| 531 | wp_cache_set( $option, $new_value, 'options' ); |
|---|
| 532 | } |
|---|
| 533 | |
|---|
| 534 | $wpdb->update($wpdb->options, array('option_value' => $new_value), array('option_name' => $option) ); |
|---|
| 535 | |
|---|
| 536 | if ( $wpdb->rows_affected == 1 ) { |
|---|
| 537 | do_action( "update_option_{$option}", $old_value, $_new_value ); |
|---|
| 538 | do_action( 'updated_option', $option, $old_value, $_new_value ); |
|---|
| 539 | return true; |
|---|
| 540 | } |
|---|
| 541 | return false; |
|---|
| 542 | } |
|---|
| 543 | |
|---|
| 544 | /** |
|---|
| 545 | * Add a new option. |
|---|
| 546 | * |
|---|
| 547 | * You do not need to serialize values. If the value needs to be serialized, then |
|---|
| 548 | * it will be serialized before it is inserted into the database. Remember, |
|---|
| 549 | * resources can not be serialized or added as an option. |
|---|
| 550 | * |
|---|
| 551 | * You can create options without values and then add values later. Does not |
|---|
| 552 | * check whether the option has already been added, but does check that you |
|---|
| 553 | * aren't adding a protected WordPress option. Care should be taken to not name |
|---|
| 554 | * options, the same as the ones which are protected and to not add options |
|---|
| 555 | * that were already added. |
|---|
| 556 | * |
|---|
| 557 | * The filter named 'add_option_$option', with the $option being |
|---|
| 558 | * replaced with the option's name, will be called. The hook should accept two |
|---|
| 559 | * parameters, the first is the option name, and the second is the value. |
|---|
| 560 | * |
|---|
| 561 | * @package WordPress |
|---|
| 562 | * @subpackage Option |
|---|
| 563 | * @since 1.0.0 |
|---|
| 564 | * @link http://alex.vort-x.net/blog/ Thanks Alex Stapleton |
|---|
| 565 | * @uses apply_filters() Calls 'pre_add_option_$option' to allow overwriting |
|---|
| 566 | * the option value in a plugin. |
|---|
| 567 | * |
|---|
| 568 | * @param string $option Name of option to add. Expects to not be SQL escaped. |
|---|
| 569 | * @param mixed $value Optional. Option value, can be anything. |
|---|
| 570 | * @param mixed $deprecated Optional. Description. Not used anymore. |
|---|
| 571 | * @param bool $autoload Optional. Whether to load the option when WordPress starts up. Default is enabled. |
|---|
| 572 | * @return bool False if option was not added and true if option was added. |
|---|
| 573 | */ |
|---|
| 574 | function add_option( $option, $value = '', $deprecated = '', $autoload = true ) { |
|---|
| 575 | global $wpdb; |
|---|
| 576 | |
|---|
| 577 | wp_protect_special_option( $option ); |
|---|
| 578 | $safe_name = esc_sql( $option ); |
|---|
| 579 | |
|---|
| 580 | $value = sanitize_option( $option, $value ); |
|---|
| 581 | $value = apply_filters( 'pre_add_option_' . $option, $value ); |
|---|
| 582 | |
|---|
| 583 | // Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query |
|---|
| 584 | $notoptions = wp_cache_get( 'notoptions', 'options' ); |
|---|
| 585 | if ( !is_array( $notoptions ) || !isset( $notoptions[$option] ) ) |
|---|
| 586 | if ( false !== get_option( $safe_name ) ) |
|---|
| 587 | return false; |
|---|
| 588 | |
|---|
| 589 | $value = maybe_serialize( $value ); |
|---|
| 590 | $autoload = ( $autoload && 'no' != $autoload ) ? true : false; |
|---|
| 591 | do_action( 'add_option', $option, $value ); |
|---|
| 592 | if ( $autoload ) { |
|---|
| 593 | $alloptions = wp_load_alloptions(); |
|---|
| 594 | $alloptions[$option] = $value; |
|---|
| 595 | wp_cache_set( 'alloptions', $alloptions, 'options' ); |
|---|
| 596 | } else { |
|---|
| 597 | wp_cache_set( $option, $value, 'options' ); |
|---|
| 598 | } |
|---|
| 599 | |
|---|
| 600 | // This option exists now |
|---|
| 601 | $notoptions = wp_cache_get( 'notoptions', 'options' ); // yes, again... we need it to be fresh |
|---|
| 602 | if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) { |
|---|
| 603 | unset( $notoptions[$option] ); |
|---|
| 604 | wp_cache_set( 'notoptions', $notoptions, 'options' ); |
|---|
| 605 | } |
|---|
| 606 | |
|---|
| 607 | $wpdb->insert($wpdb->options, array('option_name' => $option, 'option_value' => $value, 'autoload' => ( $autoload ) ? 'yes' : 'no' ) ); |
|---|
| 608 | |
|---|
| 609 | do_action( "add_option_{$option}", $option, $value ); |
|---|
| 610 | do_action( 'added_option', $option, $value ); |
|---|
| 611 | |
|---|
| 612 | return true; |
|---|
| 613 | } |
|---|
| 614 | |
|---|
| 615 | /** |
|---|
| 616 | * Removes option by name. Prevents removal of protected WordPress options. |
|---|
| 617 | * |
|---|
| 618 | * @package WordPress |
|---|
| 619 | * @subpackage Option |
|---|
| 620 | * @since 1.2.0 |
|---|
| 621 | * |
|---|
| 622 | * @param string $option Name of option to remove. Expected to be SQL-escaped. |
|---|
| 623 | * @return bool True, if succeed. False, if failure. |
|---|
| 624 | */ |
|---|
| 625 | function delete_option( $option ) { |
|---|
| 626 | global $wpdb; |
|---|
| 627 | |
|---|
| 628 | wp_protect_special_option( $option ); |
|---|
| 629 | |
|---|
| 630 | // Get the ID, if no ID then return |
|---|
| 631 | // expected_slashed ($name) |
|---|
| 632 | $option = $wpdb->get_row( "SELECT autoload FROM $wpdb->options WHERE option_name = '$option'" ); |
|---|
| 633 | if ( is_null($option) ) |
|---|
| 634 | return false; |
|---|
| 635 | do_action( 'delete_option', $option ); |
|---|
| 636 | // expected_slashed ($name) |
|---|
| 637 | $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name = '$option'" ); |
|---|
| 638 | if ( 'yes' == $option->autoload ) { |
|---|
| 639 | $alloptions = wp_load_alloptions(); |
|---|
| 640 | if ( isset( $alloptions[$option] ) ) { |
|---|
| 641 | unset( $alloptions[$option] ); |
|---|
| 642 | wp_cache_set( 'alloptions', $alloptions, 'options' ); |
|---|
| 643 | } |
|---|
| 644 | } else { |
|---|
| 645 | wp_cache_delete( $option, 'options' ); |
|---|
| 646 | } |
|---|
| 647 | do_action( "delete_option_{$option}", $option ); |
|---|
| 648 | do_action( 'deleted_option', $option ); |
|---|
| 649 | return true; |
|---|
| 650 | } |
|---|
| 651 | |
|---|
| 652 | /** |
|---|
| 653 | * Delete a transient |
|---|
| 654 | * |
|---|
| 655 | * @since 2.8.0 |
|---|
| 656 | * @package WordPress |
|---|
| 657 | * @subpackage Transient |
|---|
| 658 | * |
|---|
| 659 | * @param string $transient Transient name. Expected to not be SQL-escaped |
|---|
| 660 | * @return bool true if successful, false otherwise |
|---|
| 661 | */ |
|---|
| 662 | function delete_transient($transient) { |
|---|
| 663 | global $_wp_using_ext_object_cache; |
|---|
| 664 | |
|---|
| 665 | $_transient = $transient; |
|---|
| 666 | do_action( 'delete_transient', $transient ); |
|---|
| 667 | if ( $_wp_using_ext_object_cache ) { |
|---|
| 668 | $result = wp_cache_delete( $transient, 'transient' ); |
|---|
| 669 | } else { |
|---|
| 670 | $result = delete_option( '_transient_' . esc_sql( $transient ) ); |
|---|
| 671 | } |
|---|
| 672 | |
|---|
| 673 | if ( $result ) { |
|---|
| 674 | do_action( "delete_transient_{$transient}", $transient ); |
|---|
| 675 | do_action( 'deleted_transient', $transient ); |
|---|
| 676 | } |
|---|
| 677 | return $result; |
|---|
| 678 | } |
|---|
| 679 | |
|---|
| 680 | /** |
|---|
| 681 | * Get the value of a transient |
|---|
| 682 | * |
|---|
| 683 | * If the transient does not exist or does not have a value, then the return value |
|---|
| 684 | * will be false. |
|---|
| 685 | * |
|---|
| 686 | * @since 2.8.0 |
|---|
| 687 | * @package WordPress |
|---|
| 688 | * @subpackage Transient |
|---|
| 689 | * |
|---|
| 690 | * @param string $transient Transient name. Expected to not be SQL-escaped |
|---|
| 691 | * @return mixed Value of transient |
|---|
| 692 | */ |
|---|
| 693 | function get_transient($transient) { |
|---|
| 694 | global $_wp_using_ext_object_cache; |
|---|
| 695 | |
|---|
| 696 | $pre = apply_filters( 'pre_transient_' . $transient, null ); |
|---|
| 697 | if ( null !== $pre ) |
|---|
| 698 | return $pre; |
|---|
| 699 | |
|---|
| 700 | if ( $_wp_using_ext_object_cache ) { |
|---|
| 701 | $value = wp_cache_get($transient, 'transient'); |
|---|
| 702 | } else { |
|---|
| 703 | $safe_transient = esc_sql( $transient ); |
|---|
| 704 | $transient_option = '_transient_' . $safe_transient; |
|---|
| 705 | // If option is not in alloptions, it is not autoloaded and thus has a timeout |
|---|
| 706 | $alloptions = wp_load_alloptions(); |
|---|
| 707 | if ( !isset( $alloptions[$transient_option] ) ) { |
|---|
| 708 | $transient_timeout = '_transient_timeout_' . $safe_transient; |
|---|
| 709 | if ( get_option( $transient_timeout ) < time() ) { |
|---|
| 710 | delete_option( $transient_option ); |
|---|
| 711 | delete_option( $transient_timeout ); |
|---|
| 712 | return false; |
|---|
| 713 | } |
|---|
| 714 | } |
|---|
| 715 | |
|---|
| 716 | $value = get_option( $transient_option ); |
|---|
| 717 | } |
|---|
| 718 | |
|---|
| 719 | return apply_filters('transient_' . $transient, $value); |
|---|
| 720 | } |
|---|
| 721 | |
|---|
| 722 | /** |
|---|
| 723 | * Set/update the value of a transient |
|---|
| 724 | * |
|---|
| 725 | * You do not need to serialize values, if the value needs to be serialize, then |
|---|
| 726 | * it will be serialized before it is set. |
|---|
| 727 | * |
|---|
| 728 | * @since 2.8.0 |
|---|
| 729 | * @package WordPress |
|---|
| 730 | * @subpackage Transient |
|---|
| 731 | * @uses apply_filters() Calls 'pre_set_transient_$transient' null to allow overwriting |
|---|
| 732 | * the transient value in a plugin. |
|---|
| 733 | * @uses apply_filters() Calls 'pre_set_transient_expiration_$transient' null to allow overwriting |
|---|
| 734 | * the transient expiration in a plugin. |
|---|
| 735 | * |
|---|
| 736 | * @param string $transient Transient name. Expected to not be SQL-escaped |
|---|
| 737 | * @param mixed $value Transient value. |
|---|
| 738 | * @param int $expiration Time until expiration in seconds, default 0 |
|---|
| 739 | * @return bool False if value was not set and true if value was set. |
|---|
| 740 | */ |
|---|
| 741 | function set_transient($transient, $value, $expiration = 0) { |
|---|
| 742 | global $_wp_using_ext_object_cache; |
|---|
| 743 | |
|---|
| 744 | $value = apply_filters( 'pre_set_transient_' . $transient, $value, $expiration ); |
|---|
| 745 | $expiration = apply_filters( 'pre_set_transient_expiration_' . $transient, $expiration, $value ); |
|---|
| 746 | |
|---|
| 747 | do_action( 'set_transient', $transient, $value, $expiration ); |
|---|
| 748 | if ( $_wp_using_ext_object_cache ) { |
|---|
| 749 | $result = wp_cache_set($transient, $value, 'transient', $expiration); |
|---|
| 750 | } else { |
|---|
| 751 | $transient_timeout = '_transient_timeout_' . $transient; |
|---|
| 752 | $transient = '_transient_' . $transient; |
|---|
| 753 | $safe_transient = esc_sql($transient); |
|---|
| 754 | if ( false === get_option( $safe_transient ) ) { |
|---|
| 755 | $autoload = 'yes'; |
|---|
| 756 | if ( 0 != $expiration ) { |
|---|
| 757 | $autoload = 'no'; |
|---|
| 758 | add_option( $transient_timeout, time() + $expiration, '', 'no' ); |
|---|
| 759 | } |
|---|
| 760 | $result = add_option( $transient, $value, '', $autoload ); |
|---|
| 761 | } else { |
|---|
| 762 | if ( 0 != $expiration ) |
|---|
| 763 | update_option( $transient_timeout, time() + $expiration ); |
|---|
| 764 | $result = update_option( $transient, $value ); |
|---|
| 765 | } |
|---|
| 766 | } |
|---|
| 767 | if ( $result ) { |
|---|
| 768 | do_action( "set_transient_{$transient}", $transient, $value, $expiration ); |
|---|
| 769 | do_action( 'setted_transient', $transient, $value, $expiration ); |
|---|
| 770 | } |
|---|
| 771 | return $result; |
|---|
| 772 | } |
|---|
| 773 | |
|---|
| 774 | /** |
|---|
| 775 | * Saves and restores user interface settings stored in a cookie. |
|---|
| 776 | * |
|---|
| 777 | * Checks if the current user-settings cookie is updated and stores it. When no |
|---|
| 778 | * cookie exists (different browser used), adds the last saved cookie restoring |
|---|
| 779 | * the settings. |
|---|
| 780 | * |
|---|
| 781 | * @package WordPress |
|---|
| 782 | * @subpackage Option |
|---|
| 783 | * @since 2.7.0 |
|---|
| 784 | */ |
|---|
| 785 | function wp_user_settings() { |
|---|
| 786 | |
|---|
| 787 | if ( ! is_admin() ) |
|---|
| 788 | return; |
|---|
| 789 | |
|---|
| 790 | if ( defined('DOING_AJAX') ) |
|---|
| 791 | return; |
|---|
| 792 | |
|---|
| 793 | if ( ! $user = wp_get_current_user() ) |
|---|
| 794 | return; |
|---|
| 795 | |
|---|
| 796 | $settings = get_user_option( 'user-settings', $user->ID, false ); |
|---|
| 797 | |
|---|
| 798 | if ( isset( $_COOKIE['wp-settings-' . $user->ID] ) ) { |
|---|
| 799 | $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user->ID] ); |
|---|
| 800 | |
|---|
| 801 | if ( ! empty( $cookie ) && strpos( $cookie, '=' ) ) { |
|---|
| 802 | if ( $cookie == $settings ) |
|---|
| 803 | return; |
|---|
| 804 | |
|---|
| 805 | $last_time = (int) get_user_option( 'user-settings-time', $user->ID, false ); |
|---|
| 806 | $saved = isset( $_COOKIE['wp-settings-time-' . $user->ID]) ? preg_replace( '/[^0-9]/', '', $_COOKIE['wp-settings-time-' . $user->ID] ) : 0; |
|---|
| 807 | |
|---|
| 808 | if ( $saved > $last_time ) { |
|---|
| 809 | update_user_option( $user->ID, 'user-settings', $cookie, false ); |
|---|
| 810 | update_user_option( $user->ID, 'user-settings-time', time() - 5, false ); |
|---|
| 811 | return; |
|---|
| 812 | } |
|---|
| 813 | } |
|---|
| 814 | } |
|---|
| 815 | |
|---|
| 816 | setcookie( 'wp-settings-' . $user->ID, $settings, time() + 31536000, SITECOOKIEPATH ); |
|---|
| 817 | setcookie( 'wp-settings-time-' . $user->ID, time(), time() + 31536000, SITECOOKIEPATH ); |
|---|
| 818 | $_COOKIE['wp-settings-' . $user->ID] = $settings; |
|---|
| 819 | } |
|---|
| 820 | |
|---|
| 821 | /** |
|---|
| 822 | * Retrieve user interface setting value based on setting name. |
|---|
| 823 | * |
|---|
| 824 | * @package WordPress |
|---|
| 825 | * @subpackage Option |
|---|
| 826 | * @since 2.7.0 |
|---|
| 827 | * |
|---|
| 828 | * @param string $name The name of the setting. |
|---|
| 829 | * @param string $default Optional default value to return when $name is not set. |
|---|
| 830 | * @return mixed the last saved user setting or the default value/false if it doesn't exist. |
|---|
| 831 | */ |
|---|
| 832 | function get_user_setting( $name, $default = false ) { |
|---|
| 833 | |
|---|
| 834 | $all = get_all_user_settings(); |
|---|
| 835 | |
|---|
| 836 | return isset($all[$name]) ? $all[$name] : $default; |
|---|
| 837 | } |
|---|
| 838 | |
|---|
| 839 | /** |
|---|
| 840 | * Add or update user interface setting. |
|---|
| 841 | * |
|---|
| 842 | * Both $name and $value can contain only ASCII letters, numbers and underscores. |
|---|
| 843 | * This function has to be used before any output has started as it calls setcookie(). |
|---|
| 844 | * |
|---|
| 845 | * @package WordPress |
|---|
| 846 | * @subpackage Option |
|---|
| 847 | * @since 2.8.0 |
|---|
| 848 | * |
|---|
| 849 | * @param string $name The name of the setting. |
|---|
| 850 | * @param string $value The value for the setting. |
|---|
| 851 | * @return bool true if set successfully/false if not. |
|---|
| 852 | */ |
|---|
| 853 | function set_user_setting( $name, $value ) { |
|---|
| 854 | |
|---|
| 855 | if ( headers_sent() ) |
|---|
| 856 | return false; |
|---|
| 857 | |
|---|
| 858 | $all = get_all_user_settings(); |
|---|
| 859 | $name = preg_replace( '/[^A-Za-z0-9_]+/', '', $name ); |
|---|
| 860 | |
|---|
| 861 | if ( empty($name) ) |
|---|
| 862 | return false; |
|---|
| 863 | |
|---|
| 864 | $all[$name] = $value; |
|---|
| 865 | |
|---|
| 866 | return wp_set_all_user_settings($all); |
|---|
| 867 | } |
|---|
| 868 | |
|---|
| 869 | /** |
|---|
| 870 | * Delete user interface settings. |
|---|
| 871 | * |
|---|
| 872 | * Deleting settings would reset them to the defaults. |
|---|
| 873 | * This function has to be used before any output has started as it calls setcookie(). |
|---|
| 874 | * |
|---|
| 875 | * @package WordPress |
|---|
| 876 | * @subpackage Option |
|---|
| 877 | * @since 2.7.0 |
|---|
| 878 | * |
|---|
| 879 | * @param mixed $names The name or array of names of the setting to be deleted. |
|---|
| 880 | * @return bool true if deleted successfully/false if not. |
|---|
| 881 | */ |
|---|
| 882 | function delete_user_setting( $names ) { |
|---|
| 883 | |
|---|
| 884 | if ( headers_sent() ) |
|---|
| 885 | return false; |
|---|
| 886 | |
|---|
| 887 | $all = get_all_user_settings(); |
|---|
| 888 | $names = (array) $names; |
|---|
| 889 | |
|---|
| 890 | foreach ( $names as $name ) { |
|---|
| 891 | if ( isset($all[$name]) ) { |
|---|
| 892 | unset($all[$name]); |
|---|
| 893 | $deleted = true; |
|---|
| 894 | } |
|---|
| 895 | } |
|---|
| 896 | |
|---|
| 897 | if ( isset($deleted) ) |
|---|
| 898 | return wp_set_all_user_settings($all); |
|---|
| 899 | |
|---|
| 900 | return false; |
|---|
| 901 | } |
|---|
| 902 | |
|---|
| 903 | /** |
|---|
| 904 | * Retrieve all user interface settings. |
|---|
| 905 | * |
|---|
| 906 | * @package WordPress |
|---|
| 907 | * @subpackage Option |
|---|
| 908 | * @since 2.7.0 |
|---|
| 909 | * |
|---|
| 910 | * @return array the last saved user settings or empty array. |
|---|
| 911 | */ |
|---|
| 912 | function get_all_user_settings() { |
|---|
| 913 | global $_updated_user_settings; |
|---|
| 914 | |
|---|
| 915 | if ( ! $user = wp_get_current_user() ) |
|---|
| 916 | return array(); |
|---|
| 917 | |
|---|
| 918 | if ( isset($_updated_user_settings) && is_array($_updated_user_settings) ) |
|---|
| 919 | return $_updated_user_settings; |
|---|
| 920 | |
|---|
| 921 | $all = array(); |
|---|
| 922 | if ( isset($_COOKIE['wp-settings-' . $user->ID]) ) { |
|---|
| 923 | $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user->ID] ); |
|---|
| 924 | |
|---|
| 925 | if ( $cookie && strpos($cookie, '=') ) // the '=' cannot be 1st char |
|---|
| 926 | parse_str($cookie, $all); |
|---|
| 927 | |
|---|
| 928 | } else { |
|---|
| 929 | $option = get_user_option('user-settings', $user->ID); |
|---|
| 930 | if ( $option && is_string($option) ) |
|---|
| 931 | parse_str( $option, $all ); |
|---|
| 932 | } |
|---|
| 933 | |
|---|
| 934 | return $all; |
|---|
| 935 | } |
|---|
| 936 | |
|---|
| 937 | /** |
|---|
| 938 | * Private. Set all user interface settings. |
|---|
| 939 | * |
|---|
| 940 | * @package WordPress |
|---|
| 941 | * @subpackage Option |
|---|
| 942 | * @since 2.8.0 |
|---|
| 943 | * |
|---|
| 944 | */ |
|---|
| 945 | function wp_set_all_user_settings($all) { |
|---|
| 946 | global $_updated_user_settings; |
|---|
| 947 | |
|---|
| 948 | if ( ! $user = wp_get_current_user() ) |
|---|
| 949 | return false; |
|---|
| 950 | |
|---|
| 951 | $_updated_user_settings = $all; |
|---|
| 952 | $settings = ''; |
|---|
| 953 | foreach ( $all as $k => $v ) { |
|---|
| 954 | $v = preg_replace( '/[^A-Za-z0-9_]+/', '', $v ); |
|---|
| 955 | $settings .= $k . '=' . $v . '&'; |
|---|
| 956 | } |
|---|
| 957 | |
|---|
| 958 | $settings = rtrim($settings, '&'); |
|---|
| 959 | |
|---|
| 960 | update_user_option( $user->ID, 'user-settings', $settings, false ); |
|---|
| 961 | update_user_option( $user->ID, 'user-settings-time', time(), false ); |
|---|
| 962 | |
|---|
| 963 | return true; |
|---|
| 964 | } |
|---|
| 965 | |
|---|
| 966 | /** |
|---|
| 967 | * Delete the user settings of the current user. |
|---|
| 968 | * |
|---|
| 969 | * @package WordPress |
|---|
| 970 | * @subpackage Option |
|---|
| 971 | * @since 2.7.0 |
|---|
| 972 | */ |
|---|
| 973 | function delete_all_user_settings() { |
|---|
| 974 | if ( ! $user = wp_get_current_user() ) |
|---|
| 975 | return; |
|---|
| 976 | |
|---|
| 977 | update_user_option( $user->ID, 'user-settings', '', false ); |
|---|
| 978 | setcookie('wp-settings-' . $user->ID, ' ', time() - 31536000, SITECOOKIEPATH); |
|---|
| 979 | } |
|---|
| 980 | |
|---|
| 981 | /** |
|---|
| 982 | * Serialize data, if needed. |
|---|
| 983 | * |
|---|
| 984 | * @since 2.0.5 |
|---|
| 985 | * |
|---|
| 986 | * @param mixed $data Data that might be serialized. |
|---|
| 987 | * @return mixed A scalar data |
|---|
| 988 | */ |
|---|
| 989 | function maybe_serialize( $data ) { |
|---|
| 990 | if ( is_array( $data ) || is_object( $data ) ) |
|---|
| 991 | return serialize( $data ); |
|---|
| 992 | |
|---|
| 993 | if ( is_serialized( $data ) ) |
|---|
| 994 | return serialize( $data ); |
|---|
| 995 | |
|---|
| 996 | return $data; |
|---|
| 997 | } |
|---|
| 998 | |
|---|
| 999 | /** |
|---|
| 1000 | * Retrieve post title from XMLRPC XML. |
|---|
| 1001 | * |
|---|
| 1002 | * If the title element is not part of the XML, then the default post title from |
|---|
| 1003 | * the $post_default_title will be used instead. |
|---|
| 1004 | * |
|---|
| 1005 | * @package WordPress |
|---|
| 1006 | * @subpackage XMLRPC |
|---|
| 1007 | * @since 0.71 |
|---|
| 1008 | * |
|---|
| 1009 | * @global string $post_default_title Default XMLRPC post title. |
|---|
| 1010 | * |
|---|
| 1011 | * @param string $content XMLRPC XML Request content |
|---|
| 1012 | * @return string Post title |
|---|
| 1013 | */ |
|---|
| 1014 | function xmlrpc_getposttitle( $content ) { |
|---|
| 1015 | global $post_default_title; |
|---|
| 1016 | if ( preg_match( '/<title>(.+?)<\/title>/is', $content, $matchtitle ) ) { |
|---|
| 1017 | $post_title = $matchtitle[1]; |
|---|
| 1018 | } else { |
|---|
| 1019 | $post_title = $post_default_title; |
|---|
| 1020 | } |
|---|
| 1021 | return $post_title; |
|---|
| 1022 | } |
|---|
| 1023 | |
|---|
| 1024 | /** |
|---|
| 1025 | * Retrieve the post category or categories from XMLRPC XML. |
|---|
| 1026 | * |
|---|
| 1027 | * If the category element is not found, then the default post category will be |
|---|
| 1028 | * used. The return type then would be what $post_default_category. If the |
|---|
| 1029 | * category is found, then it will always be an array. |
|---|
| 1030 | * |
|---|
| 1031 | * @package WordPress |
|---|
| 1032 | * @subpackage XMLRPC |
|---|
| 1033 | * @since 0.71 |
|---|
| 1034 | * |
|---|
| 1035 | * @global string $post_default_category Default XMLRPC post category. |
|---|
| 1036 | * |
|---|
| 1037 | * @param string $content XMLRPC XML Request content |
|---|
| 1038 | * @return string|array List of categories or category name. |
|---|
| 1039 | */ |
|---|
| 1040 | function xmlrpc_getpostcategory( $content ) { |
|---|
| 1041 | global $post_default_category; |
|---|
| 1042 | if ( preg_match( '/<category>(.+?)<\/category>/is', $content, $matchcat ) ) { |
|---|
| 1043 | $post_category = trim( $matchcat[1], ',' ); |
|---|
| 1044 | $post_category = explode( ',', $post_category ); |
|---|
| 1045 | } else { |
|---|
| 1046 | $post_category = $post_default_category; |
|---|
| 1047 | } |
|---|
| 1048 | return $post_category; |
|---|
| 1049 | } |
|---|
| 1050 | |
|---|
| 1051 | /** |
|---|
| 1052 | * XMLRPC XML content without title and category elements. |
|---|
| 1053 | * |
|---|
| 1054 | * @package WordPress |
|---|
| 1055 | * @subpackage XMLRPC |
|---|
| 1056 | * @since 0.71 |
|---|
| 1057 | * |
|---|
| 1058 | * @param string $content XMLRPC XML Request content |
|---|
| 1059 | * @return string XMLRPC XML Request content without title and category elements. |
|---|
| 1060 | */ |
|---|
| 1061 | function xmlrpc_removepostdata( $content ) { |
|---|
| 1062 | $content = preg_replace( '/<title>(.+?)<\/title>/si', '', $content ); |
|---|
| 1063 | $content = preg_replace( '/<category>(.+?)<\/category>/si', '', $content ); |
|---|
| 1064 | $content = trim( $content ); |
|---|
| 1065 | return $content; |
|---|
| 1066 | } |
|---|
| 1067 | |
|---|
| 1068 | /** |
|---|
| 1069 | * Open the file handle for debugging. |
|---|
| 1070 | * |
|---|
| 1071 | * This function is used for XMLRPC feature, but it is general purpose enough |
|---|
| 1072 | * to be used in anywhere. |
|---|
| 1073 | * |
|---|
| 1074 | * @see fopen() for mode options. |
|---|
| 1075 | * @package WordPress |
|---|
| 1076 | * @subpackage Debug |
|---|
| 1077 | * @since 0.71 |
|---|
| 1078 | * @uses $debug Used for whether debugging is enabled. |
|---|
| 1079 | * |
|---|
| 1080 | * @param string $filename File path to debug file. |
|---|
| 1081 | * @param string $mode Same as fopen() mode parameter. |
|---|
| 1082 | * @return bool|resource File handle. False on failure. |
|---|
| 1083 | */ |
|---|
| 1084 | function debug_fopen( $filename, $mode ) { |
|---|
| 1085 | global $debug; |
|---|
| 1086 | if ( 1 == $debug ) { |
|---|
| 1087 | $fp = fopen( $filename, $mode ); |
|---|
| 1088 | return $fp; |
|---|
| 1089 | } else { |
|---|
| 1090 | return false; |
|---|
| 1091 | } |
|---|
| 1092 | } |
|---|
| 1093 | |
|---|
| 1094 | /** |
|---|
| 1095 | * Write contents to the file used for debugging. |
|---|
| 1096 | * |
|---|
| 1097 | * Technically, this can be used to write to any file handle when the global |
|---|
| 1098 | * $debug is set to 1 or true. |
|---|
| 1099 | * |
|---|
| 1100 | * @package WordPress |
|---|
| 1101 | * @subpackage Debug |
|---|
| 1102 | * @since 0.71 |
|---|
| 1103 | * @uses $debug Used for whether debugging is enabled. |
|---|
| 1104 | * |
|---|
| 1105 | * @param resource $fp File handle for debugging file. |
|---|
| 1106 | * @param string $string Content to write to debug file. |
|---|
| 1107 | */ |
|---|
| 1108 | function debug_fwrite( $fp, $string ) { |
|---|
| 1109 | global $debug; |
|---|
| 1110 | if ( 1 == $debug ) |
|---|
| 1111 | fwrite( $fp, $string ); |
|---|
| 1112 | } |
|---|
| 1113 | |
|---|
| 1114 | /** |
|---|
| 1115 | * Close the debugging file handle. |
|---|
| 1116 | * |
|---|
| 1117 | * Technically, this can be used to close any file handle when the global $debug |
|---|
| 1118 | * is set to 1 or true. |
|---|
| 1119 | * |
|---|
| 1120 | * @package WordPress |
|---|
| 1121 | * @subpackage Debug |
|---|
| 1122 | * @since 0.71 |
|---|
| 1123 | * @uses $debug Used for whether debugging is enabled. |
|---|
| 1124 | * |
|---|
| 1125 | * @param resource $fp Debug File handle. |
|---|
| 1126 | */ |
|---|
| 1127 | function debug_fclose( $fp ) { |
|---|
| 1128 | global $debug; |
|---|
| 1129 | if ( 1 == $debug ) |
|---|
| 1130 | fclose( $fp ); |
|---|
| 1131 | } |
|---|
| 1132 | |
|---|
| 1133 | /** |
|---|
| 1134 | * Check content for video and audio links to add as enclosures. |
|---|
| 1135 | * |
|---|
| 1136 | * Will not add enclosures that have already been added and will |
|---|
| 1137 | * remove enclosures that are no longer in the post. This is called as |
|---|
| 1138 | * pingbacks and trackbacks. |
|---|
| 1139 | * |
|---|
| 1140 | * @package WordPress |
|---|
| 1141 | * @since 1.5.0 |
|---|
| 1142 | * |
|---|
| 1143 | * @uses $wpdb |
|---|
| 1144 | * |
|---|
| 1145 | * @param string $content Post Content |
|---|
| 1146 | * @param int $post_ID Post ID |
|---|
| 1147 | */ |
|---|
| 1148 | function do_enclose( $content, $post_ID ) { |
|---|
| 1149 | global $wpdb; |
|---|
| 1150 | include_once( ABSPATH . WPINC . '/class-IXR.php' ); |
|---|
| 1151 | |
|---|
| 1152 | $log = debug_fopen( ABSPATH . 'enclosures.log', 'a' ); |
|---|
| 1153 | $post_links = array(); |
|---|
| 1154 | debug_fwrite( $log, 'BEGIN ' . date( 'YmdHis', time() ) . "\n" ); |
|---|
| 1155 | |
|---|
| 1156 | $pung = get_enclosed( $post_ID ); |
|---|
| 1157 | |
|---|
| 1158 | $ltrs = '\w'; |
|---|
| 1159 | $gunk = '/#~:.?+=&%@!\-'; |
|---|
| 1160 | $punc = '.:?\-'; |
|---|
| 1161 | $any = $ltrs . $gunk . $punc; |
|---|
| 1162 | |
|---|
| 1163 | preg_match_all( "{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp ); |
|---|
| 1164 | |
|---|
| 1165 | debug_fwrite( $log, 'Post contents:' ); |
|---|
| 1166 | debug_fwrite( $log, $content . "\n" ); |
|---|
| 1167 | |
|---|
| 1168 | foreach ( $pung as $link_test ) { |
|---|
| 1169 | if ( !in_array( $link_test, $post_links_temp[0] ) ) { // link no longer in post |
|---|
| 1170 | $mid = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, $link_test . '%') ); |
|---|
| 1171 | do_action( 'delete_postmeta', $mid ); |
|---|
| 1172 | $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->postmeta WHERE post_id IN(%s)", implode( ',', $mid ) ) ); |
|---|
| 1173 | do_action( 'deleted_postmeta', $mid ); |
|---|
| 1174 | } |
|---|
| 1175 | } |
|---|
| 1176 | |
|---|
| 1177 | foreach ( (array) $post_links_temp[0] as $link_test ) { |
|---|
| 1178 | if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already |
|---|
| 1179 | $test = parse_url( $link_test ); |
|---|
| 1180 | if ( isset( $test['query'] ) ) |
|---|
| 1181 | $post_links[] = $link_test; |
|---|
| 1182 | elseif ( $test['path'] != '/' && $test['path'] != '' ) |
|---|
| 1183 | $post_links[] = $link_test; |
|---|
| 1184 | } |
|---|
| 1185 | } |
|---|
| 1186 | |
|---|
| 1187 | foreach ( (array) $post_links as $url ) { |
|---|
| 1188 | if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, $url . '%' ) ) ) { |
|---|
| 1189 | if ( $headers = wp_get_http_headers( $url) ) { |
|---|
| 1190 | $len = (int) $headers['content-length']; |
|---|
| 1191 | $type = $headers['content-type']; |
|---|
| 1192 | $allowed_types = array( 'video', 'audio' ); |
|---|
| 1193 | if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) { |
|---|
| 1194 | $meta_value = "$url\n$len\n$type\n"; |
|---|
| 1195 | $wpdb->insert($wpdb->postmeta, array('post_id' => $post_ID, 'meta_key' => 'enclosure', 'meta_value' => $meta_value) ); |
|---|
| 1196 | do_action( 'added_postmeta', $wpdb->insert_id, $post_ID, 'enclosure', $meta_value ); |
|---|
| 1197 | } |
|---|
| 1198 | } |
|---|
| 1199 | } |
|---|
| 1200 | } |
|---|
| 1201 | } |
|---|
| 1202 | |
|---|
| 1203 | /** |
|---|
| 1204 | * Perform a HTTP HEAD or GET request. |
|---|
| 1205 | * |
|---|
| 1206 | * If $file_path is a writable filename, this will do a GET request and write |
|---|
| 1207 | * the file to that path. |
|---|
| 1208 | * |
|---|
| 1209 | * @since 2.5.0 |
|---|
| 1210 | * |
|---|
| 1211 | * @param string $url URL to fetch. |
|---|
| 1212 | * @param string|bool $file_path Optional. File path to write request to. |
|---|
| 1213 | * @param bool $deprecated Deprecated. Not used. |
|---|
| 1214 | * @return bool|string False on failure and string of headers if HEAD request. |
|---|
| 1215 | */ |
|---|
| 1216 | function wp_get_http( $url, $file_path = false, $deprecated = false ) { |
|---|
| 1217 | @set_time_limit( 60 ); |
|---|
| 1218 | |
|---|
| 1219 | $options = array(); |
|---|
| 1220 | $options['redirection'] = 5; |
|---|
| 1221 | |
|---|
| 1222 | if ( false == $file_path ) |
|---|
| 1223 | $options['method'] = 'HEAD'; |
|---|
| 1224 | else |
|---|
| 1225 | $options['method'] = 'GET'; |
|---|
| 1226 | |
|---|
| 1227 | $response = wp_remote_request($url, $options); |
|---|
| 1228 | |
|---|
| 1229 | if ( is_wp_error( $response ) ) |
|---|
| 1230 | return false; |
|---|
| 1231 | |
|---|
| 1232 | $headers = wp_remote_retrieve_headers( $response ); |
|---|
| 1233 | $headers['response'] = $response['response']['code']; |
|---|
| 1234 | |
|---|
| 1235 | if ( false == $file_path ) |
|---|
| 1236 | return $headers; |
|---|
| 1237 | |
|---|
| 1238 | // GET request - write it to the supplied filename |
|---|
| 1239 | $out_fp = fopen($file_path, 'w'); |
|---|
| 1240 | if ( !$out_fp ) |
|---|
| 1241 | return $headers; |
|---|
| 1242 | |
|---|
| 1243 | fwrite( $out_fp, $response['body']); |
|---|
| 1244 | fclose($out_fp); |
|---|
| 1245 | |
|---|
| 1246 | return $headers; |
|---|
| 1247 | } |
|---|
| 1248 | |
|---|
| 1249 | /** |
|---|
| 1250 | * Retrieve HTTP Headers from URL. |
|---|
| 1251 | * |
|---|
| 1252 | * @since 1.5.1 |
|---|
| 1253 | * |
|---|
| 1254 | * @param string $url |
|---|
| 1255 | * @param bool $deprecated Not Used. |
|---|
| 1256 | * @return bool|string False on failure, headers on success. |
|---|
| 1257 | */ |
|---|
| 1258 | function wp_get_http_headers( $url, $deprecated = false ) { |
|---|
| 1259 | $response = wp_remote_head( $url ); |
|---|
| 1260 | |
|---|
| 1261 | if ( is_wp_error( $response ) ) |
|---|
| 1262 | return false; |
|---|
| 1263 | |
|---|
| 1264 | return wp_remote_retrieve_headers( $response ); |
|---|
| 1265 | } |
|---|
| 1266 | |
|---|
| 1267 | /** |
|---|
| 1268 | * Whether today is a new day. |
|---|
| 1269 | * |
|---|
| 1270 | * @since 0.71 |
|---|
| 1271 | * @uses $day Today |
|---|
| 1272 | * @uses $previousday Previous day |
|---|
| 1273 | * |
|---|
| 1274 | * @return int 1 when new day, 0 if not a new day. |
|---|
| 1275 | */ |
|---|
| 1276 | function is_new_day() { |
|---|
| 1277 | global $day, $previousday; |
|---|
| 1278 | if ( $day != $previousday ) |
|---|
| 1279 | return 1; |
|---|
| 1280 | else |
|---|
| 1281 | return 0; |
|---|
| 1282 | } |
|---|
| 1283 | |
|---|
| 1284 | /** |
|---|
| 1285 | * Build URL query based on an associative and, or indexed array. |
|---|
| 1286 | * |
|---|
| 1287 | * This is a convenient function for easily building url queries. It sets the |
|---|
| 1288 | * separator to '&' and uses _http_build_query() function. |
|---|
| 1289 | * |
|---|
| 1290 | * @see _http_build_query() Used to build the query |
|---|
| 1291 | * @link http://us2.php.net/manual/en/function.http-build-query.php more on what |
|---|
| 1292 | * http_build_query() does. |
|---|
| 1293 | * |
|---|
| 1294 | * @since 2.3.0 |
|---|
| 1295 | * |
|---|
| 1296 | * @param array $data URL-encode key/value pairs. |
|---|
| 1297 | * @return string URL encoded string |
|---|
| 1298 | */ |
|---|
| 1299 | function build_query( $data ) { |
|---|
| 1300 | return _http_build_query( $data, null, '&', '', false ); |
|---|
| 1301 | } |
|---|
| 1302 | |
|---|
| 1303 | /** |
|---|
| 1304 | * Retrieve a modified URL query string. |
|---|
| 1305 | * |
|---|
| 1306 | * You can rebuild the URL and append a new query variable to the URL query by |
|---|
| 1307 | * using this function. You can also retrieve the full URL with query data. |
|---|
| 1308 | * |
|---|
| 1309 | * Adding a single key & value or an associative array. Setting a key value to |
|---|
| 1310 | * emptystring removes the key. Omitting oldquery_or_uri uses the $_SERVER |
|---|
| 1311 | * value. |
|---|
| 1312 | * |
|---|
| 1313 | * @since 1.5.0 |
|---|
| 1314 | * |
|---|
| 1315 | * @param mixed $param1 Either newkey or an associative_array |
|---|
| 1316 | * @param mixed $param2 Either newvalue or oldquery or uri |
|---|
| 1317 | * @param mixed $param3 Optional. Old query or uri |
|---|
| 1318 | * @return string New URL query string. |
|---|
| 1319 | */ |
|---|
| 1320 | function add_query_arg() { |
|---|
| 1321 | $ret = ''; |
|---|
| 1322 | if ( is_array( func_get_arg(0) ) ) { |
|---|
| 1323 | if ( @func_num_args() < 2 || false === @func_get_arg( 1 ) ) |
|---|
| 1324 | $uri = $_SERVER['REQUEST_URI']; |
|---|
| 1325 | else |
|---|
| 1326 | $uri = @func_get_arg( 1 ); |
|---|
| 1327 | } else { |
|---|
| 1328 | if ( @func_num_args() < 3 || false === @func_get_arg( 2 ) ) |
|---|
| 1329 | $uri = $_SERVER['REQUEST_URI']; |
|---|
| 1330 | else |
|---|
| 1331 | $uri = @func_get_arg( 2 ); |
|---|
| 1332 | } |
|---|
| 1333 | |
|---|
| 1334 | if ( $frag = strstr( $uri, '#' ) ) |
|---|
| 1335 | $uri = substr( $uri, 0, -strlen( $frag ) ); |
|---|
| 1336 | else |
|---|
| 1337 | $frag = ''; |
|---|
| 1338 | |
|---|
| 1339 | if ( preg_match( '|^https?://|i', $uri, $matches ) ) { |
|---|
| 1340 | $protocol = $matches[0]; |
|---|
| 1341 | $uri = substr( $uri, strlen( $protocol ) ); |
|---|
| 1342 | } else { |
|---|
| 1343 | $protocol = ''; |
|---|
| 1344 | } |
|---|
| 1345 | |
|---|
| 1346 | if ( strpos( $uri, '?' ) !== false ) { |
|---|
| 1347 | $parts = explode( '?', $uri, 2 ); |
|---|
| 1348 | if ( 1 == count( $parts ) ) { |
|---|
| 1349 | $base = '?'; |
|---|
| 1350 | $query = $parts[0]; |
|---|
| 1351 | } else { |
|---|
| 1352 | $base = $parts[0] . '?'; |
|---|
| 1353 | $query = $parts[1]; |
|---|
| 1354 | } |
|---|
| 1355 | } elseif ( !empty( $protocol ) || strpos( $uri, '=' ) === false ) { |
|---|
| 1356 | $base = $uri . '?'; |
|---|
| 1357 | $query = ''; |
|---|
| 1358 | } else { |
|---|
| 1359 | $base = ''; |
|---|
| 1360 | $query = $uri; |
|---|
| 1361 | } |
|---|
| 1362 | |
|---|
| 1363 | wp_parse_str( $query, $qs ); |
|---|
| 1364 | $qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string |
|---|
| 1365 | if ( is_array( func_get_arg( 0 ) ) ) { |
|---|
| 1366 | $kayvees = func_get_arg( 0 ); |
|---|
| 1367 | $qs = array_merge( $qs, $kayvees ); |
|---|
| 1368 | } else { |
|---|
| 1369 | $qs[func_get_arg( 0 )] = func_get_arg( 1 ); |
|---|
| 1370 | } |
|---|
| 1371 | |
|---|
| 1372 | foreach ( (array) $qs as $k => $v ) { |
|---|
| 1373 | if ( $v === false ) |
|---|
| 1374 | unset( $qs[$k] ); |
|---|
| 1375 | } |
|---|
| 1376 | |
|---|
| 1377 | $ret = build_query( $qs ); |
|---|
| 1378 | $ret = trim( $ret, '?' ); |
|---|
| 1379 | $ret = preg_replace( '#=(&|$)#', '$1', $ret ); |
|---|
| 1380 | $ret = $protocol . $base . $ret . $frag; |
|---|
| 1381 | $ret = rtrim( $ret, '?' ); |
|---|
| 1382 | return $ret; |
|---|
| 1383 | } |
|---|
| 1384 | |
|---|
| 1385 | /** |
|---|
| 1386 | * Removes an item or list from the query string. |
|---|
| 1387 | * |
|---|
| 1388 | * @since 1.5.0 |
|---|
| 1389 | * |
|---|
| 1390 | * @param string|array $key Query key or keys to remove. |
|---|
| 1391 | * @param bool $query When false uses the $_SERVER value. |
|---|
| 1392 | * @return string New URL query string. |
|---|
| 1393 | */ |
|---|
| 1394 | function remove_query_arg( $key, $query=false ) { |
|---|
| 1395 | if ( is_array( $key ) ) { // removing multiple keys |
|---|
| 1396 | foreach ( $key as $k ) |
|---|
| 1397 | $query = add_query_arg( $k, false, $query ); |
|---|
| 1398 | return $query; |
|---|
| 1399 | } |
|---|
| 1400 | return add_query_arg( $key, false, $query ); |
|---|
| 1401 | } |
|---|
| 1402 | |
|---|
| 1403 | /** |
|---|
| 1404 | * Walks the array while sanitizing the contents. |
|---|
| 1405 | * |
|---|
| 1406 | * @uses $wpdb Used to sanitize values |
|---|
| 1407 | * @since 0.71 |
|---|
| 1408 | * |
|---|
| 1409 | * @param array $array Array to used to walk while sanitizing contents. |
|---|
| 1410 | * @return array Sanitized $array. |
|---|
| 1411 | */ |
|---|
| 1412 | function add_magic_quotes( $array ) { |
|---|
| 1413 | global $wpdb; |
|---|
| 1414 | |
|---|
| 1415 | foreach ( (array) $array as $k => $v ) { |
|---|
| 1416 | if ( is_array( $v ) ) { |
|---|
| 1417 | $array[$k] = add_magic_quotes( $v ); |
|---|
| 1418 | } else { |
|---|
| 1419 | $array[$k] = esc_sql( $v ); |
|---|
| 1420 | } |
|---|
| 1421 | } |
|---|
| 1422 | return $array; |
|---|
| 1423 | } |
|---|
| 1424 | |
|---|
| 1425 | /** |
|---|
| 1426 | * HTTP request for URI to retrieve content. |
|---|
| 1427 | * |
|---|
| 1428 | * @since 1.5.1 |
|---|
| 1429 | * @uses wp_remote_get() |
|---|
| 1430 | * |
|---|
| 1431 | * @param string $uri URI/URL of web page to retrieve. |
|---|
| 1432 | * @return bool|string HTTP content. False on failure. |
|---|
| 1433 | */ |
|---|
| 1434 | function wp_remote_fopen( $uri ) { |
|---|
| 1435 | $parsed_url = @parse_url( $uri ); |
|---|
| 1436 | |
|---|
| 1437 | if ( !$parsed_url || !is_array( $parsed_url ) ) |
|---|
| 1438 | return false; |
|---|
| 1439 | |
|---|
| 1440 | $options = array(); |
|---|
| 1441 | $options['timeout'] = 10; |
|---|
| 1442 | |
|---|
| 1443 | $response = wp_remote_get( $uri, $options ); |
|---|
| 1444 | |
|---|
| 1445 | if ( is_wp_error( $response ) ) |
|---|
| 1446 | return false; |
|---|
| 1447 | |
|---|
| 1448 | return $response['body']; |
|---|
| 1449 | } |
|---|
| 1450 | |
|---|
| 1451 | /** |
|---|
| 1452 | * Setup the WordPress query. |
|---|
| 1453 | * |
|---|
| 1454 | * @since 2.0.0 |
|---|
| 1455 | * |
|---|
| 1456 | * @param string $query_vars Default WP_Query arguments. |
|---|
| 1457 | */ |
|---|
| 1458 | function wp( $query_vars = '' ) { |
|---|
| 1459 | global $wp, $wp_query, $wp_the_query; |
|---|
| 1460 | $wp->main( $query_vars ); |
|---|
| 1461 | |
|---|
| 1462 | if( !isset($wp_the_query) ) |
|---|
| 1463 | $wp_the_query = $wp_query; |
|---|
| 1464 | } |
|---|
| 1465 | |
|---|
| 1466 | /** |
|---|
| 1467 | * Retrieve the description for the HTTP status. |
|---|
| 1468 | * |
|---|
| 1469 | * @since 2.3.0 |
|---|
| 1470 | * |
|---|
| 1471 | * @param int $code HTTP status code. |
|---|
| 1472 | * @return string Empty string if not found, or description if found. |
|---|
| 1473 | */ |
|---|
| 1474 | function get_status_header_desc( $code ) { |
|---|
| 1475 | global $wp_header_to_desc; |
|---|
| 1476 | |
|---|
| 1477 | $code = absint( $code ); |
|---|
| 1478 | |
|---|
| 1479 | if ( !isset( $wp_header_to_desc ) ) { |
|---|
| 1480 | $wp_header_to_desc = array( |
|---|
| 1481 | 100 => 'Continue', |
|---|
| 1482 | 101 => 'Switching Protocols', |
|---|
| 1483 | 102 => 'Processing', |
|---|
| 1484 | |
|---|
| 1485 | 200 => 'OK', |
|---|
| 1486 | 201 => 'Created', |
|---|
| 1487 | 202 => 'Accepted', |
|---|
| 1488 | 203 => 'Non-Authoritative Information', |
|---|
| 1489 | 204 => 'No Content', |
|---|
| 1490 | 205 => 'Reset Content', |
|---|
| 1491 | 206 => 'Partial Content', |
|---|
| 1492 | 207 => 'Multi-Status', |
|---|
| 1493 | 226 => 'IM Used', |
|---|
| 1494 | |
|---|
| 1495 | 300 => 'Multiple Choices', |
|---|
| 1496 | 301 => 'Moved Permanently', |
|---|
| 1497 | 302 => 'Found', |
|---|
| 1498 | 303 => 'See Other', |
|---|
| 1499 | 304 => 'Not Modified', |
|---|
| 1500 | 305 => 'Use Proxy', |
|---|
| 1501 | 306 => 'Reserved', |
|---|
| 1502 | 307 => 'Temporary Redirect', |
|---|
| 1503 | |
|---|
| 1504 | 400 => 'Bad Request', |
|---|
| 1505 | 401 => 'Unauthorized', |
|---|
| 1506 | 402 => 'Payment Required', |
|---|
| 1507 | 403 => 'Forbidden', |
|---|
| 1508 | 404 => 'Not Found', |
|---|
| 1509 | 405 => 'Method Not Allowed', |
|---|
| 1510 | 406 => 'Not Acceptable', |
|---|
| 1511 | 407 => 'Proxy Authentication Required', |
|---|
| 1512 | 408 => 'Request Timeout', |
|---|
| 1513 | 409 => 'Conflict', |
|---|
| 1514 | 410 => 'Gone', |
|---|
| 1515 | 411 => 'Length Required', |
|---|
| 1516 | 412 => 'Precondition Failed', |
|---|
| 1517 | 413 => 'Request Entity Too Large', |
|---|
| 1518 | 414 => 'Request-URI Too Long', |
|---|
| 1519 | 415 => 'Unsupported Media Type', |
|---|
| 1520 | 416 => 'Requested Range Not Satisfiable', |
|---|
| 1521 | 417 => 'Expectation Failed', |
|---|
| 1522 | 422 => 'Unprocessable Entity', |
|---|
| 1523 | 423 => 'Locked', |
|---|
| 1524 | 424 => 'Failed Dependency', |
|---|
| 1525 | 426 => 'Upgrade Required', |
|---|
| 1526 | |
|---|
| 1527 | 500 => 'Internal Server Error', |
|---|
| 1528 | 501 => 'Not Implemented', |
|---|
| 1529 | 502 => 'Bad Gateway', |
|---|
| 1530 | 503 => 'Service Unavailable', |
|---|
| 1531 | 504 => 'Gateway Timeout', |
|---|
| 1532 | 505 => 'HTTP Version Not Supported', |
|---|
| 1533 | 506 => 'Variant Also Negotiates', |
|---|
| 1534 | 507 => 'Insufficient Storage', |
|---|
| 1535 | 510 => 'Not Extended' |
|---|
| 1536 | ); |
|---|
| 1537 | } |
|---|
| 1538 | |
|---|
| 1539 | if ( isset( $wp_header_to_desc[$code] ) ) |
|---|
| 1540 | return $wp_header_to_desc[$code]; |
|---|
| 1541 | else |
|---|
| 1542 | return ''; |
|---|
| 1543 | } |
|---|
| 1544 | |
|---|
| 1545 | /** |
|---|
| 1546 | * Set HTTP status header. |
|---|
| 1547 | * |
|---|
| 1548 | * @since 2.0.0 |
|---|
| 1549 | * @uses apply_filters() Calls 'status_header' on status header string, HTTP |
|---|
| 1550 | * HTTP code, HTTP code description, and protocol string as separate |
|---|
| 1551 | * parameters. |
|---|
| 1552 | * |
|---|
| 1553 | * @param int $header HTTP status code |
|---|
| 1554 | * @return null Does not return anything. |
|---|
| 1555 | */ |
|---|
| 1556 | function status_header( $header ) { |
|---|
| 1557 | $text = get_status_header_desc( $header ); |
|---|
| 1558 | |
|---|
| 1559 | if ( empty( $text ) ) |
|---|
| 1560 | return false; |
|---|
| 1561 | |
|---|
| 1562 | $protocol = $_SERVER["SERVER_PROTOCOL"]; |
|---|
| 1563 | if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) |
|---|
| 1564 | $protocol = 'HTTP/1.0'; |
|---|
| 1565 | $status_header = "$protocol $header $text"; |
|---|
| 1566 | if ( function_exists( 'apply_filters' ) ) |
|---|
| 1567 | $status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol ); |
|---|
| 1568 | |
|---|
| 1569 | return @header( $status_header, true, $header ); |
|---|
| 1570 | } |
|---|
| 1571 | |
|---|
| 1572 | /** |
|---|
| 1573 | * Gets the header information to prevent caching. |
|---|
| 1574 | * |
|---|
| 1575 | * The several different headers cover the different ways cache prevention is handled |
|---|
| 1576 | * by different browsers |
|---|
| 1577 | * |
|---|
| 1578 | * @since 2.8 |
|---|
| 1579 | * |
|---|
| 1580 | * @uses apply_filters() |
|---|
| 1581 | * @return array The associative array of header names and field values. |
|---|
| 1582 | */ |
|---|
| 1583 | function wp_get_nocache_headers() { |
|---|
| 1584 | $headers = array( |
|---|
| 1585 | 'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT', |
|---|
| 1586 | 'Last-Modified' => gmdate( 'D, d M Y H:i:s' ) . ' GMT', |
|---|
| 1587 | 'Cache-Control' => 'no-cache, must-revalidate, max-age=0', |
|---|
| 1588 | 'Pragma' => 'no-cache', |
|---|
| 1589 | ); |
|---|
| 1590 | |
|---|
| 1591 | if ( function_exists('apply_filters') ) { |
|---|
| 1592 | $headers = apply_filters('nocache_headers', $headers); |
|---|
| 1593 | } |
|---|
| 1594 | return $headers; |
|---|
| 1595 | } |
|---|
| 1596 | |
|---|
| 1597 | /** |
|---|
| 1598 | * Sets the headers to prevent caching for the different browsers. |
|---|
| 1599 | * |
|---|
| 1600 | * Different browsers support different nocache headers, so several headers must |
|---|
| 1601 | * be sent so that all of them get the point that no caching should occur. |
|---|
| 1602 | * |
|---|
| 1603 | * @since 2.0.0 |
|---|
| 1604 | * @uses wp_get_nocache_headers() |
|---|
| 1605 | */ |
|---|
| 1606 | function nocache_headers() { |
|---|
| 1607 | $headers = wp_get_nocache_headers(); |
|---|
| 1608 | foreach( (array) $headers as $name => $field_value ) |
|---|
| 1609 | @header("{$name}: {$field_value}"); |
|---|
| 1610 | } |
|---|
| 1611 | |
|---|
| 1612 | /** |
|---|
| 1613 | * Set the headers for caching for 10 days with JavaScript content type. |
|---|
| 1614 | * |
|---|
| 1615 | * @since 2.1.0 |
|---|
| 1616 | */ |
|---|
| 1617 | function cache_javascript_headers() { |
|---|
| 1618 | $expiresOffset = 864000; // 10 days |
|---|
| 1619 | header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) ); |
|---|
| 1620 | header( "Vary: Accept-Encoding" ); // Handle proxies |
|---|
| 1621 | header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" ); |
|---|
| 1622 | } |
|---|
| 1623 | |
|---|
| 1624 | /** |
|---|
| 1625 | * Retrieve the number of database queries during the WordPress execution. |
|---|
| 1626 | * |
|---|
| 1627 | * @since 2.0.0 |
|---|
| 1628 | * |
|---|
| 1629 | * @return int Number of database queries |
|---|
| 1630 | */ |
|---|
| 1631 | function get_num_queries() { |
|---|
| 1632 | global $wpdb; |
|---|
| 1633 | return $wpdb->num_queries; |
|---|
| 1634 | } |
|---|
| 1635 | |
|---|
| 1636 | /** |
|---|
| 1637 | * Whether input is yes or no. Must be 'y' to be true. |
|---|
| 1638 | * |
|---|
| 1639 | * @since 1.0.0 |
|---|
| 1640 | * |
|---|
| 1641 | * @param string $yn Character string containing either 'y' or 'n' |
|---|
| 1642 | * @return bool True if yes, false on anything else |
|---|
| 1643 | */ |
|---|
| 1644 | function bool_from_yn( $yn ) { |
|---|
| 1645 | return ( strtolower( $yn ) == 'y' ); |
|---|
| 1646 | } |
|---|
| 1647 | |
|---|
| 1648 | /** |
|---|
| 1649 | * Loads the feed template from the use of an action hook. |
|---|
| 1650 | * |
|---|
| 1651 | * If the feed action does not have a hook, then the function will die with a |
|---|
| 1652 | * message telling the visitor that the feed is not valid. |
|---|
| 1653 | * |
|---|
| 1654 | * It is better to only have one hook for each feed. |
|---|
| 1655 | * |
|---|
| 1656 | * @since 2.1.0 |
|---|
| 1657 | * @uses $wp_query Used to tell if the use a comment feed. |
|---|
| 1658 | * @uses do_action() Calls 'do_feed_$feed' hook, if a hook exists for the feed. |
|---|
| 1659 | */ |
|---|
| 1660 | function do_feed() { |
|---|
| 1661 | global $wp_query; |
|---|
| 1662 | |
|---|
| 1663 | $feed = get_query_var( 'feed' ); |
|---|
| 1664 | |
|---|
| 1665 | // Remove the pad, if present. |
|---|
| 1666 | $feed = preg_replace( '/^_+/', '', $feed ); |
|---|
| 1667 | |
|---|
| 1668 | if ( $feed == '' || $feed == 'feed' ) |
|---|
| 1669 | $feed = get_default_feed(); |
|---|
| 1670 | |
|---|
| 1671 | $hook = 'do_feed_' . $feed; |
|---|
| 1672 | if ( !has_action($hook) ) { |
|---|
| 1673 | $message = sprintf( __( 'ERROR: %s is not a valid feed template' ), esc_html($feed)); |
|---|
| 1674 | wp_die($message); |
|---|
| 1675 | } |
|---|
| 1676 | |
|---|
| 1677 | do_action( $hook, $wp_query->is_comment_feed ); |
|---|
| 1678 | } |
|---|
| 1679 | |
|---|
| 1680 | /** |
|---|
| 1681 | * Load the RDF RSS 0.91 Feed template. |
|---|
| 1682 | * |
|---|
| 1683 | * @since 2.1.0 |
|---|
| 1684 | */ |
|---|
| 1685 | function do_feed_rdf() { |
|---|
| 1686 | load_template( ABSPATH . WPINC . '/feed-rdf.php' ); |
|---|
| 1687 | } |
|---|
| 1688 | |
|---|
| 1689 | /** |
|---|
| 1690 | * Load the RSS 1.0 Feed Template |
|---|
| 1691 | * |
|---|
| 1692 | * @since 2.1.0 |
|---|
| 1693 | */ |
|---|
| 1694 | function do_feed_rss() { |
|---|
| 1695 | load_template( ABSPATH . WPINC . '/feed-rss.php' ); |
|---|
| 1696 | } |
|---|
| 1697 | |
|---|
| 1698 | /** |
|---|
| 1699 | * Load either the RSS2 comment feed or the RSS2 posts feed. |
|---|
| 1700 | * |
|---|
| 1701 | * @since 2.1.0 |
|---|
| 1702 | * |
|---|
| 1703 | * @param bool $for_comments True for the comment feed, false for normal feed. |
|---|
| 1704 | */ |
|---|
| 1705 | function do_feed_rss2( $for_comments ) { |
|---|
| 1706 | if ( $for_comments ) |
|---|
| 1707 | load_template( ABSPATH . WPINC . '/feed-rss2-comments.php' ); |
|---|
| 1708 | else |
|---|
| 1709 | load_template( ABSPATH . WPINC . '/feed-rss2.php' ); |
|---|
| 1710 | } |
|---|
| 1711 | |
|---|
| 1712 | /** |
|---|
| 1713 | * Load either Atom comment feed or Atom posts feed. |
|---|
| 1714 | * |
|---|
| 1715 | * @since 2.1.0 |
|---|
| 1716 | * |
|---|
| 1717 | * @param bool $for_comments True for the comment feed, false for normal feed. |
|---|
| 1718 | */ |
|---|
| 1719 | function do_feed_atom( $for_comments ) { |
|---|
| 1720 | if ($for_comments) |
|---|
| 1721 | load_template( ABSPATH . WPINC . '/feed-atom-comments.php'); |
|---|
| 1722 | else |
|---|
| 1723 | load_template( ABSPATH . WPINC . '/feed-atom.php' ); |
|---|
| 1724 | } |
|---|
| 1725 | |
|---|
| 1726 | /** |
|---|
| 1727 | * Display the robot.txt file content. |
|---|
| 1728 | * |
|---|
| 1729 | * The echo content should be with usage of the permalinks or for creating the |
|---|
| 1730 | * robot.txt file. |
|---|
| 1731 | * |
|---|
| 1732 | * @since 2.1.0 |
|---|
| 1733 | * @uses do_action() Calls 'do_robotstxt' hook for displaying robot.txt rules. |
|---|
| 1734 | */ |
|---|
| 1735 | function do_robots() { |
|---|
| 1736 | header( 'Content-Type: text/plain; charset=utf-8' ); |
|---|
| 1737 | |
|---|
| 1738 | do_action( 'do_robotstxt' ); |
|---|
| 1739 | |
|---|
| 1740 | if ( '0' == get_option( 'blog_public' ) ) { |
|---|
| 1741 | echo "User-agent: *\n"; |
|---|
| 1742 | echo "Disallow: /\n"; |
|---|
| 1743 | } else { |
|---|
| 1744 | echo "User-agent: *\n"; |
|---|
| 1745 | echo "Disallow:\n"; |
|---|
| 1746 | } |
|---|
| 1747 | } |
|---|
| 1748 | |
|---|
| 1749 | /** |
|---|
| 1750 | * Test whether blog is already installed. |
|---|
| 1751 | * |
|---|
| 1752 | * The cache will be checked first. If you have a cache plugin, which saves the |
|---|
| 1753 | * cache values, then this will work. If you use the default WordPress cache, |
|---|
| 1754 | * and the database goes away, then you might have problems. |
|---|
| 1755 | * |
|---|
| 1756 | * Checks for the option siteurl for whether WordPress is installed. |
|---|
| 1757 | * |
|---|
| 1758 | * @since 2.1.0 |
|---|
| 1759 | * @uses $wpdb |
|---|
| 1760 | * |
|---|
| 1761 | * @return bool Whether blog is already installed. |
|---|
| 1762 | */ |
|---|
| 1763 | function is_blog_installed() { |
|---|
| 1764 | global $wpdb; |
|---|
| 1765 | |
|---|
| 1766 | // Check cache first. If options table goes away and we have true cached, oh well. |
|---|
| 1767 | if ( wp_cache_get( 'is_blog_installed' ) ) |
|---|
| 1768 | return true; |
|---|
| 1769 | |
|---|
| 1770 | $suppress = $wpdb->suppress_errors(); |
|---|
| 1771 | $alloptions = wp_load_alloptions(); |
|---|
| 1772 | // If siteurl is not set to autoload, check it specifically |
|---|
| 1773 | if ( !isset( $alloptions['siteurl'] ) ) |
|---|
| 1774 | $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" ); |
|---|
| 1775 | else |
|---|
| 1776 | $installed = $alloptions['siteurl']; |
|---|
| 1777 | $wpdb->suppress_errors( $suppress ); |
|---|
| 1778 | |
|---|
| 1779 | $installed = !empty( $installed ); |
|---|
| 1780 | wp_cache_set( 'is_blog_installed', $installed ); |
|---|
| 1781 | |
|---|
| 1782 | if ( $installed ) |
|---|
| 1783 | return true; |
|---|
| 1784 | |
|---|
| 1785 | $suppress = $wpdb->suppress_errors(); |
|---|
| 1786 | $tables = $wpdb->get_col('SHOW TABLES'); |
|---|
| 1787 | $wpdb->suppress_errors( $suppress ); |
|---|
| 1788 | |
|---|
| 1789 | // Loop over the WP tables. If none exist, then scratch install is allowed. |
|---|
| 1790 | // If one or more exist, suggest table repair since we got here because the options |
|---|
| 1791 | // table could not be accessed. |
|---|
| 1792 | foreach ($wpdb->tables as $table) { |
|---|
| 1793 | // If one of the WP tables exist, then we are in an insane state. |
|---|
| 1794 | if ( in_array($wpdb->prefix . $table, $tables) ) { |
|---|
| 1795 | // If visiting repair.php, return true and let it take over. |
|---|
| 1796 | if ( defined('WP_REPAIRING') ) |
|---|
| 1797 | return true; |
|---|
| 1798 | // Die with a DB error. |
|---|
| 1799 | $wpdb->error = __('One or more database tables are unavailable. The database may need to be <a href="maint/repair.php?referrer=is_blog_installed">repaired</a>.'); |
|---|
| 1800 | dead_db(); |
|---|
| 1801 | } |
|---|
| 1802 | } |
|---|
| 1803 | |
|---|
| 1804 | wp_cache_set( 'is_blog_installed', false ); |
|---|
| 1805 | |
|---|
| 1806 | return false; |
|---|
| 1807 | } |
|---|
| 1808 | |
|---|
| 1809 | /** |
|---|
| 1810 | * Retrieve URL with nonce added to URL query. |
|---|
| 1811 | * |
|---|
| 1812 | * @package WordPress |
|---|
| 1813 | * @subpackage Security |
|---|
| 1814 | * @since 2.0.4 |
|---|
| 1815 | * |
|---|
| 1816 | * @param string $actionurl URL to add nonce action |
|---|
| 1817 | * @param string $action Optional. Nonce action name |
|---|
| 1818 | * @return string URL with nonce action added. |
|---|
| 1819 | */ |
|---|
| 1820 | function wp_nonce_url( $actionurl, $action = -1 ) { |
|---|
| 1821 | $actionurl = str_replace( '&', '&', $actionurl ); |
|---|
| 1822 | return esc_html( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) ); |
|---|
| 1823 | } |
|---|
| 1824 | |
|---|
| 1825 | /** |
|---|
| 1826 | * Retrieve or display nonce hidden field for forms. |
|---|
| 1827 | * |
|---|
| 1828 | * The nonce field is used to validate that the contents of the form came from |
|---|
| 1829 | * the location on the current site and not somewhere else. The nonce does not |
|---|
| 1830 | * offer absolute protection, but should protect against most cases. It is very |
|---|
| 1831 | * important to use nonce field in forms. |
|---|
| 1832 | * |
|---|
| 1833 | * If you set $echo to true and set $referer to true, then you will need to |
|---|
| 1834 | * retrieve the {@link wp_referer_field() wp referer field}. If you have the |
|---|
| 1835 | * $referer set to true and are echoing the nonce field, it will also echo the |
|---|
| 1836 | * referer field. |
|---|
| 1837 | * |
|---|
| 1838 | * The $action and $name are optional, but if you want to have better security, |
|---|
| 1839 | * it is strongly suggested to set those two parameters. It is easier to just |
|---|
| 1840 | * call the function without any parameters, because validation of the nonce |
|---|
| 1841 | * doesn't require any parameters, but since crackers know what the default is |
|---|
| 1842 | * it won't be difficult for them to find a way around your nonce and cause |
|---|
| 1843 | * damage. |
|---|
| 1844 | * |
|---|
| 1845 | * The input name will be whatever $name value you gave. The input value will be |
|---|
| 1846 | * the nonce creation value. |
|---|
| 1847 | * |
|---|
| 1848 | * @package WordPress |
|---|
| 1849 | * @subpackage Security |
|---|
| 1850 | * @since 2.0.4 |
|---|
| 1851 | * |
|---|
| 1852 | * @param string $action Optional. Action name. |
|---|
| 1853 | * @param string $name Optional. Nonce name. |
|---|
| 1854 | * @param bool $referer Optional, default true. Whether to set the referer field for validation. |
|---|
| 1855 | * @param bool $echo Optional, default true. Whether to display or return hidden form field. |
|---|
| 1856 | * @return string Nonce field. |
|---|
| 1857 | */ |
|---|
| 1858 | function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) { |
|---|
| 1859 | $name = esc_attr( $name ); |
|---|
| 1860 | $nonce_field = '<input type="hidden" id="' . $name . '" name="' . $name . '" value="' . wp_create_nonce( $action ) . '" />'; |
|---|
| 1861 | if ( $echo ) |
|---|
| 1862 | echo $nonce_field; |
|---|
| 1863 | |
|---|
| 1864 | if ( $referer ) |
|---|
| 1865 | wp_referer_field( $echo, 'previous' ); |
|---|
| 1866 | |
|---|
| 1867 | return $nonce_field; |
|---|
| 1868 | } |
|---|
| 1869 | |
|---|
| 1870 | /** |
|---|
| 1871 | * Retrieve or display referer hidden field for forms. |
|---|
| 1872 | * |
|---|
| 1873 | * The referer link is the current Request URI from the server super global. The |
|---|
| 1874 | * input name is '_wp_http_referer', in case you wanted to check manually. |
|---|
| 1875 | * |
|---|
| 1876 | * @package WordPress |
|---|
| 1877 | * @subpackage Security |
|---|
| 1878 | * @since 2.0.4 |
|---|
| 1879 | * |
|---|
| 1880 | * @param bool $echo Whether to echo or return the referer field. |
|---|
| 1881 | * @return string Referer field. |
|---|
| 1882 | */ |
|---|
| 1883 | function wp_referer_field( $echo = true) { |
|---|
| 1884 | $ref = esc_attr( $_SERVER['REQUEST_URI'] ); |
|---|
| 1885 | $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />'; |
|---|
| 1886 | |
|---|
| 1887 | if ( $echo ) |
|---|
| 1888 | echo $referer_field; |
|---|
| 1889 | return $referer_field; |
|---|
| 1890 | } |
|---|
| 1891 | |
|---|
| 1892 | /** |
|---|
| 1893 | * Retrieve or display original referer hidden field for forms. |
|---|
| 1894 | * |
|---|
| 1895 | * The input name is '_wp_original_http_referer' and will be either the same |
|---|
| 1896 | * value of {@link wp_referer_field()}, if that was posted already or it will |
|---|
| 1897 | * be the current page, if it doesn't exist. |
|---|
| 1898 | * |
|---|
| 1899 | * @package WordPress |
|---|
| 1900 | * @subpackage Security |
|---|
| 1901 | * @since 2.0.4 |
|---|
| 1902 | * |
|---|
| 1903 | * @param bool $echo Whether to echo the original http referer |
|---|
| 1904 | * @param string $jump_back_to Optional, default is 'current'. Can be 'previous' or page you want to jump back to. |
|---|
| 1905 | * @return string Original referer field. |
|---|
| 1906 | */ |
|---|
| 1907 | function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) { |
|---|
| 1908 | $jump_back_to = ( 'previous' == $jump_back_to ) ? wp_get_referer() : $_SERVER['REQUEST_URI']; |
|---|
| 1909 | $ref = ( wp_get_original_referer() ) ? wp_get_original_referer() : $jump_back_to; |
|---|
| 1910 | $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( stripslashes( $ref ) ) . '" />'; |
|---|
| 1911 | if ( $echo ) |
|---|
| 1912 | echo $orig_referer_field; |
|---|
| 1913 | return $orig_referer_field; |
|---|
| 1914 | } |
|---|
| 1915 | |
|---|
| 1916 | /** |
|---|
| 1917 | * Retrieve referer from '_wp_http_referer', HTTP referer, or current page respectively. |
|---|
| 1918 | * |
|---|
| 1919 | * @package WordPress |
|---|
| 1920 | * @subpackage Security |
|---|
| 1921 | * @since 2.0.4 |
|---|
| 1922 | * |
|---|
| 1923 | * @return string|bool False on failure. Referer URL on success. |
|---|
| 1924 | */ |
|---|
| 1925 | function wp_get_referer() { |
|---|
| 1926 | $ref = ''; |
|---|
| 1927 | if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) |
|---|
| 1928 | $ref = $_REQUEST['_wp_http_referer']; |
|---|
| 1929 | else if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) |
|---|
| 1930 | $ref = $_SERVER['HTTP_REFERER']; |
|---|
| 1931 | |
|---|
| 1932 | if ( $ref !== $_SERVER['REQUEST_URI'] ) |
|---|
| 1933 | return $ref; |
|---|
| 1934 | return false; |
|---|
| 1935 | } |
|---|
| 1936 | |
|---|
| 1937 | /** |
|---|
| 1938 | * Retrieve original referer that was posted, if it exists. |
|---|
| 1939 | * |
|---|
| 1940 | * @package WordPress |
|---|
| 1941 | * @subpackage Security |
|---|
| 1942 | * @since 2.0.4 |
|---|
| 1943 | * |
|---|
| 1944 | * @return string|bool False if no original referer or original referer if set. |
|---|
| 1945 | */ |
|---|
| 1946 | function wp_get_original_referer() { |
|---|
| 1947 | if ( !empty( $_REQUEST['_wp_original_http_referer'] ) ) |
|---|
| 1948 | return $_REQUEST['_wp_original_http_referer']; |
|---|
| 1949 | return false; |
|---|
| 1950 | } |
|---|
| 1951 | |
|---|
| 1952 | /** |
|---|
| 1953 | * Recursive directory creation based on full path. |
|---|
| 1954 | * |
|---|
| 1955 | * Will attempt to set permissions on folders. |
|---|
| 1956 | * |
|---|
| 1957 | * @since 2.0.1 |
|---|
| 1958 | * |
|---|
| 1959 | * @param string $target Full path to attempt to create. |
|---|
| 1960 | * @return bool Whether the path was created or not. True if path already exists. |
|---|
| 1961 | */ |
|---|
| 1962 | function wp_mkdir_p( $target ) { |
|---|
| 1963 | // from php.net/mkdir user contributed notes |
|---|
| 1964 | $target = str_replace( '//', '/', $target ); |
|---|
| 1965 | if ( file_exists( $target ) ) |
|---|
| 1966 | return @is_dir( $target ); |
|---|
| 1967 | |
|---|
| 1968 | // Attempting to create the directory may clutter up our display. |
|---|
| 1969 | if ( @mkdir( $target ) ) { |
|---|
| 1970 | $stat = @stat( dirname( $target ) ); |
|---|
| 1971 | $dir_perms = $stat['mode'] & 0007777; // Get the permission bits. |
|---|
| 1972 | @chmod( $target, $dir_perms ); |
|---|
| 1973 | return true; |
|---|
| 1974 | } elseif ( is_dir( dirname( $target ) ) ) { |
|---|
| 1975 | return false; |
|---|
| 1976 | } |
|---|
| 1977 | |
|---|
| 1978 | // If the above failed, attempt to create the parent node, then try again. |
|---|
| 1979 | if ( ( $target != '/' ) && ( wp_mkdir_p( dirname( $target ) ) ) ) |
|---|
| 1980 | return wp_mkdir_p( $target ); |
|---|
| 1981 | |
|---|
| 1982 | return false; |
|---|
| 1983 | } |
|---|
| 1984 | |
|---|
| 1985 | /** |
|---|
| 1986 | * Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows'). |
|---|
| 1987 | * |
|---|
| 1988 | * @since 2.5.0 |
|---|
| 1989 | * |
|---|
| 1990 | * @param string $path File path |
|---|
| 1991 | * @return bool True if path is absolute, false is not absolute. |
|---|
| 1992 | */ |
|---|
| 1993 | function path_is_absolute( $path ) { |
|---|
| 1994 | // this is definitive if true but fails if $path does not exist or contains a symbolic link |
|---|
| 1995 | if ( realpath($path) == $path ) |
|---|
| 1996 | return true; |
|---|
| 1997 | |
|---|
| 1998 | if ( strlen($path) == 0 || $path{0} == '.' ) |
|---|
| 1999 | return false; |
|---|
| 2000 | |
|---|
| 2001 | // windows allows absolute paths like this |
|---|
| 2002 | if ( preg_match('#^[a-zA-Z]:\\\\#', $path) ) |
|---|
| 2003 | return true; |
|---|
| 2004 | |
|---|
| 2005 | // a path starting with / or \ is absolute; anything else is relative |
|---|
| 2006 | return (bool) preg_match('#^[/\\\\]#', $path); |
|---|
| 2007 | } |
|---|
| 2008 | |
|---|
| 2009 | /** |
|---|
| 2010 | * Join two filesystem paths together (e.g. 'give me $path relative to $base'). |
|---|
| 2011 | * |
|---|
| 2012 | * If the $path is absolute, then it the full path is returned. |
|---|
| 2013 | * |
|---|
| 2014 | * @since 2.5.0 |
|---|
| 2015 | * |
|---|
| 2016 | * @param string $base |
|---|
| 2017 | * @param string $path |
|---|
| 2018 | * @return string The path with the base or absolute path. |
|---|
| 2019 | */ |
|---|
| 2020 | function path_join( $base, $path ) { |
|---|
| 2021 | if ( path_is_absolute($path) ) |
|---|
| 2022 | return $path; |
|---|
| 2023 | |
|---|
| 2024 | return rtrim($base, '/') . '/' . ltrim($path, '/'); |
|---|
| 2025 | } |
|---|
| 2026 | |
|---|
| 2027 | /** |
|---|
| 2028 | * Get an array containing the current upload directory's path and url. |
|---|
| 2029 | * |
|---|
| 2030 | * Checks the 'upload_path' option, which should be from the web root folder, |
|---|
| 2031 | * and if it isn't empty it will be used. If it is empty, then the path will be |
|---|
| 2032 | * 'WP_CONTENT_DIR/uploads'. If the 'UPLOADS' constant is defined, then it will |
|---|
| 2033 | * override the 'upload_path' option and 'WP_CONTENT_DIR/uploads' path. |
|---|
| 2034 | * |
|---|
| 2035 | * The upload URL path is set either by the 'upload_url_path' option or by using |
|---|
| 2036 | * the 'WP_CONTENT_URL' constant and appending '/uploads' to the path. |
|---|
| 2037 | * |
|---|
| 2038 | * If the 'uploads_use_yearmonth_folders' is set to true (checkbox if checked in |
|---|
| 2039 | * the administration settings panel), then the time will be used. The format |
|---|
| 2040 | * will be year first and then month. |
|---|
| 2041 | * |
|---|
| 2042 | * If the path couldn't be created, then an error will be returned with the key |
|---|
| 2043 | * 'error' containing the error message. The error suggests that the parent |
|---|
| 2044 | * directory is not writable by the server. |
|---|
| 2045 | * |
|---|
| 2046 | * On success, the returned array will have many indices: |
|---|
| 2047 | * 'path' - base directory and sub directory or full path to upload directory. |
|---|
| 2048 | * 'url' - base url and sub directory or absolute URL to upload directory. |
|---|
| 2049 | * 'subdir' - sub directory if uploads use year/month folders option is on. |
|---|
| 2050 | * 'basedir' - path without subdir. |
|---|
| 2051 | * 'baseurl' - URL path without subdir. |
|---|
| 2052 | * 'error' - set to false. |
|---|
| 2053 | * |
|---|
| 2054 | * @since 2.0.0 |
|---|
| 2055 | * @uses apply_filters() Calls 'upload_dir' on returned array. |
|---|
| 2056 | * |
|---|
| 2057 | * @param string $time Optional. Time formatted in 'yyyy/mm'. |
|---|
| 2058 | * @return array See above for description. |
|---|
| 2059 | */ |
|---|
| 2060 | function wp_upload_dir( $time = null ) { |
|---|
| 2061 | $siteurl = get_option( 'siteurl' ); |
|---|
| 2062 | $upload_path = get_option( 'upload_path' ); |
|---|
| 2063 | $upload_path = trim($upload_path); |
|---|
| 2064 | if ( empty($upload_path) ) |
|---|
| 2065 | $dir = WP_CONTENT_DIR . '/uploads'; |
|---|
| 2066 | else |
|---|
| 2067 | $dir = $upload_path; |
|---|
| 2068 | |
|---|
| 2069 | // $dir is absolute, $path is (maybe) relative to ABSPATH |
|---|
| 2070 | $dir = path_join( ABSPATH, $dir ); |
|---|
| 2071 | |
|---|
| 2072 | if ( !$url = get_option( 'upload_url_path' ) ) { |
|---|
| 2073 | if ( empty($upload_path) or ( $upload_path == $dir ) ) |
|---|
| 2074 | $url = WP_CONTENT_URL . '/uploads'; |
|---|
| 2075 | else |
|---|
| 2076 | $url = trailingslashit( $siteurl ) . $upload_path; |
|---|
| 2077 | } |
|---|
| 2078 | |
|---|
| 2079 | if ( defined('UPLOADS') ) { |
|---|
| 2080 | $dir = ABSPATH . UPLOADS; |
|---|
| 2081 | $url = trailingslashit( $siteurl ) . UPLOADS; |
|---|
| 2082 | } |
|---|
| 2083 | |
|---|
| 2084 | $bdir = $dir; |
|---|
| 2085 | $burl = $url; |
|---|
| 2086 | |
|---|
| 2087 | $subdir = ''; |
|---|
| 2088 | if ( get_option( 'uploads_use_yearmonth_folders' ) ) { |
|---|
| 2089 | // Generate the yearly and monthly dirs |
|---|
| 2090 | if ( !$time ) |
|---|
| 2091 | $time = current_time( 'mysql' ); |
|---|
| 2092 | $y = substr( $time, 0, 4 ); |
|---|
| 2093 | $m = substr( $time, 5, 2 ); |
|---|
| 2094 | $subdir = "/$y/$m"; |
|---|
| 2095 | } |
|---|
| 2096 | |
|---|
| 2097 | $dir .= $subdir; |
|---|
| 2098 | $url .= $subdir; |
|---|
| 2099 | |
|---|
| 2100 | $uploads = apply_filters( 'upload_dir', array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $bdir, 'baseurl' => $burl, 'error' => false ) ); |
|---|
| 2101 | |
|---|
| 2102 | // Make sure we have an uploads dir |
|---|
| 2103 | if ( ! wp_mkdir_p( $uploads['path'] ) ) { |
|---|
| 2104 | $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $uploads['path'] ); |
|---|
| 2105 | return array( 'error' => $message ); |
|---|
| 2106 | } |
|---|
| 2107 | |
|---|
| 2108 | return $uploads; |
|---|
| 2109 | } |
|---|
| 2110 | |
|---|
| 2111 | /** |
|---|
| 2112 | * Get a filename that is sanitized and unique for the given directory. |
|---|
| 2113 | * |
|---|
| 2114 | * If the filename is not unique, then a number will be added to the filename |
|---|
| 2115 | * before the extension, and will continue adding numbers until the filename is |
|---|
| 2116 | * unique. |
|---|
| 2117 | * |
|---|
| 2118 | * The callback must accept two parameters, the first one is the directory and |
|---|
| 2119 | * the second is the filename. The callback must be a function. |
|---|
| 2120 | * |
|---|
| 2121 | * @since 2.5 |
|---|
| 2122 | * |
|---|
| 2123 | * @param string $dir |
|---|
| 2124 | * @param string $filename |
|---|
| 2125 | * @param string $unique_filename_callback Function name, must be a function. |
|---|
| 2126 | * @return string New filename, if given wasn't unique. |
|---|
| 2127 | */ |
|---|
| 2128 | function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) { |
|---|
| 2129 | // sanitize the file name before we begin processing |
|---|
| 2130 | $filename = sanitize_file_name($filename); |
|---|
| 2131 | |
|---|
| 2132 | // separate the filename into a name and extension |
|---|
| 2133 | $info = pathinfo($filename); |
|---|
| 2134 | $ext = !empty($info['extension']) ? '.' . $info['extension'] : ''; |
|---|
| 2135 | $name = basename($filename, $ext); |
|---|
| 2136 | |
|---|
| 2137 | // edge case: if file is named '.ext', treat as an empty name |
|---|
| 2138 | if( $name === $ext ) |
|---|
| 2139 | $name = ''; |
|---|
| 2140 | |
|---|
| 2141 | // Increment the file number until we have a unique file to save in $dir. Use $override['unique_filename_callback'] if supplied. |
|---|
| 2142 | if ( $unique_filename_callback && function_exists( $unique_filename_callback ) ) { |
|---|
| 2143 | $filename = $unique_filename_callback( $dir, $name ); |
|---|
| 2144 | } else { |
|---|
| 2145 | $number = ''; |
|---|
| 2146 | |
|---|
| 2147 | // change '.ext' to lower case |
|---|
| 2148 | if ( $ext && strtolower($ext) != $ext ) { |
|---|
| 2149 | $ext2 = strtolower($ext); |
|---|
| 2150 | $filename2 = preg_replace( '|' . preg_quote($ext) . '$|', $ext2, $filename ); |
|---|
| 2151 | |
|---|
| 2152 | // check for both lower and upper case extension or image sub-sizes may be overwritten |
|---|
| 2153 | while ( file_exists($dir . "/$filename") || file_exists($dir . "/$filename2") ) { |
|---|
| 2154 | $new_number = $number + 1; |
|---|
| 2155 | $filename = str_replace( "$number$ext", "$new_number$ext", $filename ); |
|---|
| 2156 | $filename2 = str_replace( "$number$ext2", "$new_number$ext2", $filename2 ); |
|---|
| 2157 | $number = $new_number; |
|---|
| 2158 | } |
|---|
| 2159 | return $filename2; |
|---|
| 2160 | } |
|---|
| 2161 | |
|---|
| 2162 | while ( file_exists( $dir . "/$filename" ) ) { |
|---|
| 2163 | if ( '' == "$number$ext" ) |
|---|
| 2164 | $filename = $filename . ++$number . $ext; |
|---|
| 2165 | else |
|---|
| 2166 | $filename = str_replace( "$number$ext", ++$number . $ext, $filename ); |
|---|
| 2167 | } |
|---|
| 2168 | } |
|---|
| 2169 | |
|---|
| 2170 | return $filename; |
|---|
| 2171 | } |
|---|
| 2172 | |
|---|
| 2173 | /** |
|---|
| 2174 | * Create a file in the upload folder with given content. |
|---|
| 2175 | * |
|---|
| 2176 | * If there is an error, then the key 'error' will exist with the error message. |
|---|
| 2177 | * If success, then the key 'file' will have the unique file path, the 'url' key |
|---|
| 2178 | * will have the link to the new file. and the 'error' key will be set to false. |
|---|
| 2179 | * |
|---|
| 2180 | * This function will not move an uploaded file to the upload folder. It will |
|---|
| 2181 | * create a new file with the content in $bits parameter. If you move the upload |
|---|
| 2182 | * file, read the content of the uploaded file, and then you can give the |
|---|
| 2183 | * filename and content to this function, which will add it to the upload |
|---|
| 2184 | * folder. |
|---|
| 2185 | * |
|---|
| 2186 | * The permissions will be set on the new file automatically by this function. |
|---|
| 2187 | * |
|---|
| 2188 | * @since 2.0.0 |
|---|
| 2189 | * |
|---|
| 2190 | * @param string $name |
|---|
| 2191 | * @param null $deprecated Not used. Set to null. |
|---|
| 2192 | * @param mixed $bits File content |
|---|
| 2193 | * @param string $time Optional. Time formatted in 'yyyy/mm'. |
|---|
| 2194 | * @return array |
|---|
| 2195 | */ |
|---|
| 2196 | function wp_upload_bits( $name, $deprecated, $bits, $time = null ) { |
|---|
| 2197 | if ( empty( $name ) ) |
|---|
| 2198 | return array( 'error' => __( 'Empty filename' ) ); |
|---|
| 2199 | |
|---|
| 2200 | $wp_filetype = wp_check_filetype( $name ); |
|---|
| 2201 | if ( !$wp_filetype['ext'] ) |
|---|
| 2202 | return array( 'error' => __( 'Invalid file type' ) ); |
|---|
| 2203 | |
|---|
| 2204 | $upload = wp_upload_dir( $time ); |
|---|
| 2205 | |
|---|
| 2206 | if ( $upload['error'] !== false ) |
|---|
| 2207 | return $upload; |
|---|
| 2208 | |
|---|
| 2209 | $filename = wp_unique_filename( $upload['path'], $name ); |
|---|
| 2210 | |
|---|
| 2211 | $new_file = $upload['path'] . "/$filename"; |
|---|
| 2212 | if ( ! wp_mkdir_p( dirname( $new_file ) ) ) { |
|---|
| 2213 | $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), dirname( $new_file ) ); |
|---|
| 2214 | return array( 'error' => $message ); |
|---|
| 2215 | } |
|---|
| 2216 | |
|---|
| 2217 | $ifp = @ fopen( $new_file, 'wb' ); |
|---|
| 2218 | if ( ! $ifp ) |
|---|
| 2219 | return array( 'error' => sprintf( __( 'Could not write file %s' ), $new_file ) ); |
|---|
| 2220 | |
|---|
| 2221 | @fwrite( $ifp, $bits ); |
|---|
| 2222 | fclose( $ifp ); |
|---|
| 2223 | // Set correct file permissions |
|---|
| 2224 | $stat = @ stat( dirname( $new_file ) ); |
|---|
| 2225 | $perms = $stat['mode'] & 0007777; |
|---|
| 2226 | $perms = $perms & 0000666; |
|---|
| 2227 | @ chmod( $new_file, $perms ); |
|---|
| 2228 | |
|---|
| 2229 | // Compute the URL |
|---|
| 2230 | $url = $upload['url'] . "/$filename"; |
|---|
| 2231 | |
|---|
| 2232 | return array( 'file' => $new_file, 'url' => $url, 'error' => false ); |
|---|
| 2233 | } |
|---|
| 2234 | |
|---|
| 2235 | /** |
|---|
| 2236 | * Retrieve the file type based on the extension name. |
|---|
| 2237 | * |
|---|
| 2238 | * @package WordPress |
|---|
| 2239 | * @since 2.5.0 |
|---|
| 2240 | * @uses apply_filters() Calls 'ext2type' hook on default supported types. |
|---|
| 2241 | * |
|---|
| 2242 | * @param string $ext The extension to search. |
|---|
| 2243 | * @return string|null The file type, example: audio, video, document, spreadsheet, etc. Null if not found. |
|---|
| 2244 | */ |
|---|
| 2245 | function wp_ext2type( $ext ) { |
|---|
| 2246 | $ext2type = apply_filters('ext2type', array( |
|---|
| 2247 | 'audio' => array('aac','ac3','aif','aiff','mp1','mp2','mp3','m3a','m4a','m4b','ogg','ram','wav','wma'), |
|---|
| 2248 | 'video' => array('asf','avi','divx','dv','mov','mpg','mpeg','mp4','mpv','ogm','qt','rm','vob','wmv', 'm4v'), |
|---|
| 2249 | 'document' => array('doc','docx','pages','odt','rtf','pdf'), |
|---|
| 2250 | 'spreadsheet' => array('xls','xlsx','numbers','ods'), |
|---|
| 2251 | 'interactive' => array('ppt','pptx','key','odp','swf'), |
|---|
| 2252 | 'text' => array('txt'), |
|---|
| 2253 | 'archive' => array('tar','bz2','gz','cab','dmg','rar','sea','sit','sqx','zip'), |
|---|
| 2254 | 'code' => array('css','html','php','js'), |
|---|
| 2255 | )); |
|---|
| 2256 | foreach ( $ext2type as $type => $exts ) |
|---|
| 2257 | if ( in_array($ext, $exts) ) |
|---|
| 2258 | return $type; |
|---|
| 2259 | } |
|---|
| 2260 | |
|---|
| 2261 | /** |
|---|
| 2262 | * Retrieve the file type from the file name. |
|---|
| 2263 | * |
|---|
| 2264 | * You can optionally define the mime array, if needed. |
|---|
| 2265 | * |
|---|
| 2266 | * @since 2.0.4 |
|---|
| 2267 | * |
|---|
| 2268 | * @param string $filename File name or path. |
|---|
| 2269 | * @param array $mimes Optional. Key is the file extension with value as the mime type. |
|---|
| 2270 | * @return array Values with extension first and mime type. |
|---|
| 2271 | */ |
|---|
| 2272 | function wp_check_filetype( $filename, $mimes = null ) { |
|---|
| 2273 | if ( empty($mimes) ) |
|---|
| 2274 | $mimes = get_allowed_mime_types(); |
|---|
| 2275 | $type = false; |
|---|
| 2276 | $ext = false; |
|---|
| 2277 | |
|---|
| 2278 | foreach ( $mimes as $ext_preg => $mime_match ) { |
|---|
| 2279 | $ext_preg = '!\.(' . $ext_preg . ')$!i'; |
|---|
| 2280 | if ( preg_match( $ext_preg, $filename, $ext_matches ) ) { |
|---|
| 2281 | $type = $mime_match; |
|---|
| 2282 | $ext = $ext_matches[1]; |
|---|
| 2283 | break; |
|---|
| 2284 | } |
|---|
| 2285 | } |
|---|
| 2286 | |
|---|
| 2287 | return compact( 'ext', 'type' ); |
|---|
| 2288 | } |
|---|
| 2289 | |
|---|
| 2290 | /** |
|---|
| 2291 | * Retrieve list of allowed mime types and file extensions. |
|---|
| 2292 | * |
|---|
| 2293 | * @since 2.8.6 |
|---|
| 2294 | * |
|---|
| 2295 | * @return array Array of mime types keyed by the file extension regex corresponding to those types. |
|---|
| 2296 | */ |
|---|
| 2297 | function get_allowed_mime_types() { |
|---|
| 2298 | static $mimes = false; |
|---|
| 2299 | |
|---|
| 2300 | if ( !$mimes ) { |
|---|
| 2301 | // Accepted MIME types are set here as PCRE unless provided. |
|---|
| 2302 | $mimes = apply_filters( 'upload_mimes', array( |
|---|
| 2303 | 'jpg|jpeg|jpe' => 'image/jpeg', |
|---|
| 2304 | 'gif' => 'image/gif', |
|---|
| 2305 | 'png' => 'image/png', |
|---|
| 2306 | 'bmp' => 'image/bmp', |
|---|
| 2307 | 'tif|tiff' => 'image/tiff', |
|---|
| 2308 | 'ico' => 'image/x-icon', |
|---|
| 2309 | 'asf|asx|wax|wmv|wmx' => 'video/asf', |
|---|
| 2310 | 'avi' => 'video/avi', |
|---|
| 2311 | 'divx' => 'video/divx', |
|---|
| 2312 | 'flv' => 'video/x-flv', |
|---|
| 2313 | 'mov|qt' => 'video/quicktime', |
|---|
| 2314 | 'mpeg|mpg|mpe' => 'video/mpeg', |
|---|
| 2315 | 'txt|c|cc|h' => 'text/plain', |
|---|
| 2316 | 'rtx' => 'text/richtext', |
|---|
| 2317 | 'css' => 'text/css', |
|---|
| 2318 | 'htm|html' => 'text/html', |
|---|
| 2319 | 'mp3|m4a' => 'audio/mpeg', |
|---|
| 2320 | 'mp4|m4v' => 'video/mp4', |
|---|
| 2321 | 'ra|ram' => 'audio/x-realaudio', |
|---|
| 2322 | 'wav' => 'audio/wav', |
|---|
| 2323 | 'ogg' => 'audio/ogg', |
|---|
| 2324 | 'mid|midi' => 'audio/midi', |
|---|
| 2325 | 'wma' => 'audio/wma', |
|---|
| 2326 | 'rtf' => 'application/rtf', |
|---|
| 2327 | 'js' => 'application/javascript', |
|---|
| 2328 | 'pdf' => 'application/pdf', |
|---|
| 2329 | 'doc|docx' => 'application/msword', |
|---|
| 2330 | 'pot|pps|ppt|pptx' => 'application/vnd.ms-powerpoint', |
|---|
| 2331 | 'wri' => 'application/vnd.ms-write', |
|---|
| 2332 | 'xla|xls|xlsx|xlt|xlw' => 'application/vnd.ms-excel', |
|---|
| 2333 | 'mdb' => 'application/vnd.ms-access', |
|---|
| 2334 | 'mpp' => 'application/vnd.ms-project', |
|---|
| 2335 | 'swf' => 'application/x-shockwave-flash', |
|---|
| 2336 | 'class' => 'application/java', |
|---|
| 2337 | 'tar' => 'application/x-tar', |
|---|
| 2338 | 'zip' => 'application/zip', |
|---|
| 2339 | 'gz|gzip' => 'application/x-gzip', |
|---|
| 2340 | 'exe' => 'application/x-msdownload', |
|---|
| 2341 | // openoffice formats |
|---|
| 2342 | 'odt' => 'application/vnd.oasis.opendocument.text', |
|---|
| 2343 | 'odp' => 'application/vnd.oasis.opendocument.presentation', |
|---|
| 2344 | 'ods' => 'application/vnd.oasis.opendocument.spreadsheet', |
|---|
| 2345 | 'odg' => 'application/vnd.oasis.opendocument.graphics', |
|---|
| 2346 | 'odc' => 'application/vnd.oasis.opendocument.chart', |
|---|
| 2347 | 'odb' => 'application/vnd.oasis.opendocument.database', |
|---|
| 2348 | 'odf' => 'application/vnd.oasis.opendocument.formula', |
|---|
| 2349 | ) ); |
|---|
| 2350 | } |
|---|
| 2351 | |
|---|
| 2352 | return $mimes; |
|---|
| 2353 | } |
|---|
| 2354 | |
|---|
| 2355 | /** |
|---|
| 2356 | * Retrieve nonce action "Are you sure" message. |
|---|
| 2357 | * |
|---|
| 2358 | * The action is split by verb and noun. The action format is as follows: |
|---|
| 2359 | * verb-action_extra. The verb is before the first dash and has the format of |
|---|
| 2360 | * letters and no spaces and numbers. The noun is after the dash and before the |
|---|
| 2361 | * underscore, if an underscore exists. The noun is also only letters. |
|---|
| 2362 | * |
|---|
| 2363 | * The filter will be called for any action, which is not defined by WordPress. |
|---|
| 2364 | * You may use the filter for your plugin to explain nonce actions to the user, |
|---|
| 2365 | * when they get the "Are you sure?" message. The filter is in the format of |
|---|
| 2366 | * 'explain_nonce_$verb-$noun' with the $verb replaced by the found verb and the |
|---|
| 2367 | * $noun replaced by the found noun. The two parameters that are given to the |
|---|
| 2368 | * hook are the localized "Are you sure you want to do this?" message with the |
|---|
| 2369 | * extra text (the text after the underscore). |
|---|
| 2370 | * |
|---|
| 2371 | * @package WordPress |
|---|
| 2372 | * @subpackage Security |
|---|
| 2373 | * @since 2.0.4 |
|---|
| 2374 | * |
|---|
| 2375 | * @param string $action Nonce action. |
|---|
| 2376 | * @return string Are you sure message. |
|---|
| 2377 | */ |
|---|
| 2378 | function wp_explain_nonce( $action ) { |
|---|
| 2379 | if ( $action !== -1 && preg_match( '/([a-z]+)-([a-z]+)(_(.+))?/', $action, $matches ) ) { |
|---|
| 2380 | $verb = $matches[1]; |
|---|
| 2381 | $noun = $matches[2]; |
|---|
| 2382 | |
|---|
| 2383 | $trans = array(); |
|---|
| 2384 | $trans['update']['attachment'] = array( __( 'Your attempt to edit this attachment: “%s” has failed.' ), 'get_the_title' ); |
|---|
| 2385 | |
|---|
| 2386 | $trans['add']['category'] = array( __( 'Your attempt to add this category has failed.' ), false ); |
|---|
| 2387 | $trans['delete']['category'] = array( __( 'Your attempt to delete this category: “%s” has failed.' ), 'get_cat_name' ); |
|---|
| 2388 | $trans['update']['category'] = array( __( 'Your attempt to edit this category: “%s” has failed.' ), 'get_cat_name' ); |
|---|
| 2389 | |
|---|
| 2390 | $trans['delete']['comment'] = array( __( 'Your attempt to delete this comment: “%s” has failed.' ), 'use_id' ); |
|---|
| 2391 | $trans['unapprove']['comment'] = array( __( 'Your attempt to unapprove this comment: “%s” has failed.' ), 'use_id' ); |
|---|
| 2392 | $trans['approve']['comment'] = array( __( 'Your attempt to approve this comment: “%s” has failed.' ), 'use_id' ); |
|---|
| 2393 | $trans['update']['comment'] = array( __( 'Your attempt to edit this comment: “%s” has failed.' ), 'use_id' ); |
|---|
| 2394 | $trans['bulk']['comments'] = array( __( 'Your attempt to bulk modify comments has failed.' ), false ); |
|---|
| 2395 | $trans['moderate']['comments'] = array( __( 'Your attempt to moderate comments has failed.' ), false ); |
|---|
| 2396 | |
|---|
| 2397 | $trans['add']['bookmark'] = array( __( 'Your attempt to add this link has failed.' ), false ); |
|---|
| 2398 | $trans['delete']['bookmark'] = array( __( 'Your attempt to delete this link: “%s” has failed.' ), 'use_id' ); |
|---|
| 2399 | $trans['update']['bookmark'] = array( __( 'Your attempt to edit this link: “%s” has failed.' ), 'use_id' ); |
|---|
| 2400 | $trans['bulk']['bookmarks'] = array( __( 'Your attempt to bulk modify links has failed.' ), false ); |
|---|
| 2401 | |
|---|
| 2402 | $trans['add']['page'] = array( __( 'Your attempt to add this page has failed.' ), false ); |
|---|
| 2403 | $trans['delete']['page'] = array( __( 'Your attempt to delete this page: “%s” has failed.' ), 'get_the_title' ); |
|---|
| 2404 | $trans['update']['page'] = array( __( 'Your attempt to edit this page: “%s” has failed.' ), 'get_the_title' ); |
|---|
| 2405 | |
|---|
| 2406 | $trans['edit']['plugin'] = array( __( 'Your attempt to edit this plugin file: “%s” has failed.' ), 'use_id' ); |
|---|
| 2407 | $trans['activate']['plugin'] = array( __( 'Your attempt to activate this plugin: “%s” has failed.' ), 'use_id' ); |
|---|
| 2408 | $trans['deactivate']['plugin'] = array( __( 'Your attempt to deactivate this plugin: “%s” has failed.' ), 'use_id' ); |
|---|
| 2409 | $trans['upgrade']['plugin'] = array( __( 'Your attempt to upgrade this plugin: “%s” has failed.' ), 'use_id' ); |
|---|
| 2410 | |
|---|
| 2411 | $trans['add']['post'] = array( __( 'Your attempt to add this post has failed.' ), false ); |
|---|
| 2412 | $trans['delete']['post'] = array( __( 'Your attempt to delete this post: “%s” has failed.' ), 'get_the_title' ); |
|---|
| 2413 | $trans['update']['post'] = array( __( 'Your attempt to edit this post: “%s” has failed.' ), 'get_the_title' ); |
|---|
| 2414 | |
|---|
| 2415 | $trans['add']['user'] = array( __( 'Your attempt to add this user has failed.' ), false ); |
|---|
| 2416 | $trans['delete']['users'] = array( __( 'Your attempt to delete users has failed.' ), false ); |
|---|
| 2417 | $trans['bulk']['users'] = array( __( 'Your attempt to bulk modify users has failed.' ), false ); |
|---|
| 2418 | $trans['update']['user'] = array( __( 'Your attempt to edit this user: “%s” has failed.' ), 'get_the_author_meta', 'display_name' ); |
|---|
| 2419 | $trans['update']['profile'] = array( __( 'Your attempt to modify the profile for: “%s” has failed.' ), 'get_the_author_meta', 'display_name' ); |
|---|
| 2420 | |
|---|
| 2421 | $trans['update']['options'] = array( __( 'Your attempt to edit your settings has failed.' ), false ); |
|---|
| 2422 | $trans['update']['permalink'] = array( __( 'Your attempt to change your permalink structure to: %s has failed.' ), 'use_id' ); |
|---|
| 2423 | $trans['edit']['file'] = array( __( 'Your attempt to edit this file: “%s” has failed.' ), 'use_id' ); |
|---|
| 2424 | $trans['edit']['theme'] = array( __( 'Your attempt to edit this theme file: “%s” has failed.' ), 'use_id' ); |
|---|
| 2425 | $trans['switch']['theme'] = array( __( 'Your attempt to switch to this theme: “%s” has failed.' ), 'use_id' ); |
|---|
| 2426 | |
|---|
| 2427 | $trans['log']['out'] = array( sprintf( __( 'You are attempting to log out of %s' ), get_bloginfo( 'sitename' ) ), false ); |
|---|
| 2428 | |
|---|
| 2429 | if ( isset( $trans[$verb][$noun] ) ) { |
|---|
| 2430 | if ( !empty( $trans[$verb][$noun][1] ) ) { |
|---|
| 2431 | $lookup = $trans[$verb][$noun][1]; |
|---|
| 2432 | if ( isset($trans[$verb][$noun][2]) ) |
|---|
| 2433 | $lookup_value = $trans[$verb][$noun][2]; |
|---|
| 2434 | $object = $matches[4]; |
|---|
| 2435 | if ( 'use_id' != $lookup ) { |
|---|
| 2436 | if ( isset( $lookup_value ) ) |
|---|
| 2437 | $object = call_user_func( $lookup, $lookup_value, $object ); |
|---|
| 2438 | else |
|---|
| 2439 | $object = call_user_func( $lookup, $object ); |
|---|
| 2440 | } |
|---|
| 2441 | return sprintf( $trans[$verb][$noun][0], esc_html($object) ); |
|---|
| 2442 | } else { |
|---|
| 2443 | return $trans[$verb][$noun][0]; |
|---|
| 2444 | } |
|---|
| 2445 | } |
|---|
| 2446 | |
|---|
| 2447 | return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __( 'Are you sure you want to do this?' ), isset($matches[4]) ? $matches[4] : '' ); |
|---|
| 2448 | } else { |
|---|
| 2449 | return apply_filters( 'explain_nonce_' . $action, __( 'Are you sure you want to do this?' ) ); |
|---|
| 2450 | } |
|---|
| 2451 | } |
|---|
| 2452 | |
|---|
| 2453 | /** |
|---|
| 2454 | * Display "Are You Sure" message to confirm the action being taken. |
|---|
| 2455 | * |
|---|
| 2456 | * If the action has the nonce explain message, then it will be displayed along |
|---|
| 2457 | * with the "Are you sure?" message. |
|---|
| 2458 | * |
|---|
| 2459 | * @package WordPress |
|---|
| 2460 | * @subpackage Security |
|---|
| 2461 | * @since 2.0.4 |
|---|
| 2462 | * |
|---|
| 2463 | * @param string $action The nonce action. |
|---|
| 2464 | */ |
|---|
| 2465 | function wp_nonce_ays( $action ) { |
|---|
| 2466 | $title = __( 'WordPress Failure Notice' ); |
|---|
| 2467 | $html = esc_html( wp_explain_nonce( $action ) ); |
|---|
| 2468 | if ( wp_get_referer() ) |
|---|
| 2469 | $html .= "</p><p><a href='" . esc_url( remove_query_arg( 'updated', wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>"; |
|---|
| 2470 | elseif ( 'log-out' == $action ) |
|---|
| 2471 | $html .= "</p><p>" . sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_logout_url() ); |
|---|
| 2472 | |
|---|
| 2473 | wp_die( $html, $title); |
|---|
| 2474 | } |
|---|
| 2475 | |
|---|
| 2476 | /** |
|---|
| 2477 | * Kill WordPress execution and display HTML message with error message. |
|---|
| 2478 | * |
|---|
| 2479 | * Call this function complements the die() PHP function. The difference is that |
|---|
| 2480 | * HTML will be displayed to the user. It is recommended to use this function |
|---|
| 2481 | * only, when the execution should not continue any further. It is not |
|---|
| 2482 | * recommended to call this function very often and try to handle as many errors |
|---|
| 2483 | * as possible siliently. |
|---|
| 2484 | * |
|---|
| 2485 | * @since 2.0.4 |
|---|
| 2486 | * |
|---|
| 2487 | * @param string $message Error message. |
|---|
| 2488 | * @param string $title Error title. |
|---|
| 2489 | * @param string|array $args Optional arguements to control behaviour. |
|---|
| 2490 | */ |
|---|
| 2491 | function wp_die( $message, $title = '', $args = array() ) { |
|---|
| 2492 | global $wp_locale; |
|---|
| 2493 | |
|---|
| 2494 | $defaults = array( 'response' => 500 ); |
|---|
| 2495 | $r = wp_parse_args($args, $defaults); |
|---|
| 2496 | |
|---|
| 2497 | $have_gettext = function_exists('__'); |
|---|
| 2498 | |
|---|
| 2499 | if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) { |
|---|
| 2500 | if ( empty( $title ) ) { |
|---|
| 2501 | $error_data = $message->get_error_data(); |
|---|
| 2502 | if ( is_array( $error_data ) && isset( $error_data['title'] ) ) |
|---|
| 2503 | $title = $error_data['title']; |
|---|
| 2504 | } |
|---|
| 2505 | $errors = $message->get_error_messages(); |
|---|
| 2506 | switch ( count( $errors ) ) : |
|---|
| 2507 | case 0 : |
|---|
| 2508 | $message = ''; |
|---|
| 2509 | break; |
|---|
| 2510 | case 1 : |
|---|
| 2511 | $message = "<p>{$errors[0]}</p>"; |
|---|
| 2512 | break; |
|---|
| 2513 | default : |
|---|
| 2514 | $message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $errors ) . "</li>\n\t</ul>"; |
|---|
| 2515 | break; |
|---|
| 2516 | endswitch; |
|---|
| 2517 | } elseif ( is_string( $message ) ) { |
|---|
| 2518 | $message = "<p>$message</p>"; |
|---|
| 2519 | } |
|---|
| 2520 | |
|---|
| 2521 | if ( isset( $r['back_link'] ) && $r['back_link'] ) { |
|---|
| 2522 | $back_text = $have_gettext? __('« Back') : '« Back'; |
|---|
| 2523 | $message .= "\n<p><a href='javascript:history.back()'>$back_text</p>"; |
|---|
| 2524 | } |
|---|
| 2525 | |
|---|
| 2526 | if ( defined( 'WP_SITEURL' ) && '' != WP_SITEURL ) |
|---|
| 2527 | $admin_dir = WP_SITEURL . '/wp-admin/'; |
|---|
| 2528 | elseif ( function_exists( 'get_bloginfo' ) && '' != get_bloginfo( 'wpurl' ) ) |
|---|
| 2529 | $admin_dir = get_bloginfo( 'wpurl' ) . '/wp-admin/'; |
|---|
| 2530 | elseif ( strpos( $_SERVER['PHP_SELF'], 'wp-admin' ) !== false ) |
|---|
| 2531 | $admin_dir = ''; |
|---|
| 2532 | else |
|---|
| 2533 | $admin_dir = 'wp-admin/'; |
|---|
| 2534 | |
|---|
| 2535 | if ( !function_exists( 'did_action' ) || !did_action( 'admin_head' ) ) : |
|---|
| 2536 | if( !headers_sent() ){ |
|---|
| 2537 | status_header( $r['response'] ); |
|---|
| 2538 | nocache_headers(); |
|---|
| 2539 | header( 'Content-Type: text/html; charset=utf-8' ); |
|---|
| 2540 | } |
|---|
| 2541 | |
|---|
| 2542 | if ( empty($title) ) { |
|---|
| 2543 | $title = $have_gettext? __('WordPress › Error') : 'WordPress › Error'; |
|---|
| 2544 | } |
|---|
| 2545 | |
|---|
| 2546 | $text_direction = 'ltr'; |
|---|
| 2547 | if ( isset($r['text_direction']) && $r['text_direction'] == 'rtl' ) $text_direction = 'rtl'; |
|---|
| 2548 | if ( ( $wp_locale ) && ( 'rtl' == $wp_locale->text_direction ) ) $text_direction = 'rtl'; |
|---|
| 2549 | ?> |
|---|
| 2550 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
|---|
| 2551 | <html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) ) language_attributes(); ?>> |
|---|
| 2552 | <head> |
|---|
| 2553 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
|---|
| 2554 | <title><?php echo $title ?></title> |
|---|
| 2555 | <link rel="stylesheet" href="<?php echo $admin_dir; ?>css/install.css" type="text/css" /> |
|---|
| 2556 | <?php |
|---|
| 2557 | if ( 'rtl' == $text_direction ) : ?> |
|---|
| 2558 | <link rel="stylesheet" href="<?php echo $admin_dir; ?>css/install-rtl.css" type="text/css" /> |
|---|
| 2559 | <?php endif; ?> |
|---|
| 2560 | </head> |
|---|
| 2561 | <body id="error-page"> |
|---|
| 2562 | <?php endif; ?> |
|---|
| 2563 | <?php echo $message; ?> |
|---|
| 2564 | </body> |
|---|
| 2565 | <!-- Ticket #8942, IE bug fix: always pad the error page with enough characters such that it is greater than 512 bytes, even after gzip compression abcdefghijklmnopqrstuvwxyz1234567890aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz11223344556677889900abacbcbdcdcededfefegfgfhghgihihjijikjkjlklkmlmlnmnmononpopoqpqprqrqsrsrtstsubcbcdcdedefefgfabcadefbghicjkldmnoepqrfstugvwxhyz1i234j567k890laabmbccnddeoeffpgghqhiirjjksklltmmnunoovppqwqrrxsstytuuzvvw0wxx1yyz2z113223434455666777889890091abc2def3ghi4jkl5mno6pqr7stu8vwx9yz11aab2bcc3dd4ee5ff6gg7hh8ii9j0jk1kl2lmm3nnoo4p5pq6qrr7ss8tt9uuvv0wwx1x2yyzz13aba4cbcb5dcdc6dedfef8egf9gfh0ghg1ihi2hji3jik4jkj5lkl6kml7mln8mnm9ono --> |
|---|
| 2566 | </html> |
|---|
| 2567 | <?php |
|---|
| 2568 | die(); |
|---|
| 2569 | } |
|---|
| 2570 | |
|---|
| 2571 | /** |
|---|
| 2572 | * Retrieve the WordPress home page URL. |
|---|
| 2573 | * |
|---|
| 2574 | * If the constant named 'WP_HOME' exists, then it willl be used and returned by |
|---|
| 2575 | * the function. This can be used to counter the redirection on your local |
|---|
| 2576 | * development environment. |
|---|
| 2577 | * |
|---|
| 2578 | * @access private |
|---|
| 2579 | * @package WordPress |
|---|
| 2580 | * @since 2.2.0 |
|---|
| 2581 | * |
|---|
| 2582 | * @param string $url URL for the home location |
|---|
| 2583 | * @return string Homepage location. |
|---|
| 2584 | */ |
|---|
| 2585 | function _config_wp_home( $url = '' ) { |
|---|
| 2586 | if ( defined( 'WP_HOME' ) ) |
|---|
| 2587 | return WP_HOME; |
|---|
| 2588 | return $url; |
|---|
| 2589 | } |
|---|
| 2590 | |
|---|
| 2591 | /** |
|---|
| 2592 | * Retrieve the WordPress site URL. |
|---|
| 2593 | * |
|---|
| 2594 | * If the constant named 'WP_SITEURL' is defined, then the value in that |
|---|
| 2595 | * constant will always be returned. This can be used for debugging a site on |
|---|
| 2596 | * your localhost while not having to change the database to your URL. |
|---|
| 2597 | * |
|---|
| 2598 | * @access private |
|---|
| 2599 | * @package WordPress |
|---|
| 2600 | * @since 2.2.0 |
|---|
| 2601 | * |
|---|
| 2602 | * @param string $url URL to set the WordPress site location. |
|---|
| 2603 | * @return string The WordPress Site URL |
|---|
| 2604 | */ |
|---|
| 2605 | function _config_wp_siteurl( $url = '' ) { |
|---|
| 2606 | if ( defined( 'WP_SITEURL' ) ) |
|---|
| 2607 | return WP_SITEURL; |
|---|
| 2608 | return $url; |
|---|
| 2609 | } |
|---|
| 2610 | |
|---|
| 2611 | /** |
|---|
| 2612 | * Set the localized direction for MCE plugin. |
|---|
| 2613 | * |
|---|
| 2614 | * Will only set the direction to 'rtl', if the WordPress locale has the text |
|---|
| 2615 | * direction set to 'rtl'. |
|---|
| 2616 | * |
|---|
| 2617 | * Fills in the 'directionality', 'plugins', and 'theme_advanced_button1' array |
|---|
| 2618 | * keys. These keys are then returned in the $input array. |
|---|
| 2619 | * |
|---|
| 2620 | * @access private |
|---|
| 2621 | * @package WordPress |
|---|
| 2622 | * @subpackage MCE |
|---|
| 2623 | * @since 2.1.0 |
|---|
| 2624 | * |
|---|
| 2625 | * @param array $input MCE plugin array. |
|---|
| 2626 | * @return array Direction set for 'rtl', if needed by locale. |
|---|
| 2627 | */ |
|---|
| 2628 | function _mce_set_direction( $input ) { |
|---|
| 2629 | global $wp_locale; |
|---|
| 2630 | |
|---|
| 2631 | if ( 'rtl' == $wp_locale->text_direction ) { |
|---|
| 2632 | $input['directionality'] = 'rtl'; |
|---|
| 2633 | $input['plugins'] .= ',directionality'; |
|---|
| 2634 | $input['theme_advanced_buttons1'] .= ',ltr'; |
|---|
| 2635 | } |
|---|
| 2636 | |
|---|
| 2637 | return $input; |
|---|
| 2638 | } |
|---|
| 2639 | |
|---|
| 2640 | |
|---|
| 2641 | /** |
|---|
| 2642 | * Convert smiley code to the icon graphic file equivalent. |
|---|
| 2643 | * |
|---|
| 2644 | * You can turn off smilies, by going to the write setting screen and unchecking |
|---|
| 2645 | * the box, or by setting 'use_smilies' option to false or removing the option. |
|---|
| 2646 | * |
|---|
| 2647 | * Plugins may override the default smiley list by setting the $wpsmiliestrans |
|---|
| 2648 | * to an array, with the key the code the blogger types in and the value the |
|---|
| 2649 | * image file. |
|---|
| 2650 | * |
|---|
| 2651 | * The $wp_smiliessearch global is for the regular expression and is set each |
|---|
| 2652 | * time the function is called. |
|---|
| 2653 | * |
|---|
| 2654 | * The full list of smilies can be found in the function and won't be listed in |
|---|
| 2655 | * the description. Probably should create a Codex page for it, so that it is |
|---|
| 2656 | * available. |
|---|
| 2657 | * |
|---|
| 2658 | * @global array $wpsmiliestrans |
|---|
| 2659 | * @global array $wp_smiliessearch |
|---|
| 2660 | * @since 2.2.0 |
|---|
| 2661 | */ |
|---|
| 2662 | function smilies_init() { |
|---|
| 2663 | global $wpsmiliestrans, $wp_smiliessearch; |
|---|
| 2664 | |
|---|
| 2665 | // don't bother setting up smilies if they are disabled |
|---|
| 2666 | if ( !get_option( 'use_smilies' ) ) |
|---|
| 2667 | return; |
|---|
| 2668 | |
|---|
| 2669 | if ( !isset( $wpsmiliestrans ) ) { |
|---|
| 2670 | $wpsmiliestrans = array( |
|---|
| 2671 | ':mrgreen:' => 'icon_mrgreen.gif', |
|---|
| 2672 | ':neutral:' => 'icon_neutral.gif', |
|---|
| 2673 | ':twisted:' => 'icon_twisted.gif', |
|---|
| 2674 | ':arrow:' => 'icon_arrow.gif', |
|---|
| 2675 | ':shock:' => 'icon_eek.gif', |
|---|
| 2676 | ':smile:' => 'icon_smile.gif', |
|---|
| 2677 | ':???:' => 'icon_confused.gif', |
|---|
| 2678 | ':cool:' => 'icon_cool.gif', |
|---|
| 2679 | ':evil:' => 'icon_evil.gif', |
|---|
| 2680 | ':grin:' => 'icon_biggrin.gif', |
|---|
| 2681 | ':idea:' => 'icon_idea.gif', |
|---|
| 2682 | ':oops:' => 'icon_redface.gif', |
|---|
| 2683 | ':razz:' => 'icon_razz.gif', |
|---|
| 2684 | ':roll:' => 'icon_rolleyes.gif', |
|---|
| 2685 | ':wink:' => 'icon_wink.gif', |
|---|
| 2686 | ':cry:' => 'icon_cry.gif', |
|---|
| 2687 | ':eek:' => 'icon_surprised.gif', |
|---|
| 2688 | ':lol:' => 'icon_lol.gif', |
|---|
| 2689 | ':mad:' => 'icon_mad.gif', |
|---|
| 2690 | ':sad:' => 'icon_sad.gif', |
|---|
| 2691 | '8-)' => 'icon_cool.gif', |
|---|
| 2692 | '8-O' => 'icon_eek.gif', |
|---|
| 2693 | ':-(' => 'icon_sad.gif', |
|---|
| 2694 | ':-)' => 'icon_smile.gif', |
|---|
| 2695 | ':-?' => 'icon_confused.gif', |
|---|
| 2696 | ':-D' => 'icon_biggrin.gif', |
|---|
| 2697 | ':-P' => 'icon_razz.gif', |
|---|
| 2698 | ':-o' => 'icon_surprised.gif', |
|---|
| 2699 | ':-x' => 'icon_mad.gif', |
|---|
| 2700 | ':-|' => 'icon_neutral.gif', |
|---|
| 2701 | ';-)' => 'icon_wink.gif', |
|---|
| 2702 | '8)' => 'icon_cool.gif', |
|---|
| 2703 | '8O' => 'icon_eek.gif', |
|---|
| 2704 | ':(' => 'icon_sad.gif', |
|---|
| 2705 | ':)' => 'icon_smile.gif', |
|---|
| 2706 | ':?' => 'icon_confused.gif', |
|---|
| 2707 | ':D' => 'icon_biggrin.gif', |
|---|
| 2708 | ':P' => 'icon_razz.gif', |
|---|
| 2709 | ':o' => 'icon_surprised.gif', |
|---|
| 2710 | ':x' => 'icon_mad.gif', |
|---|
| 2711 | ':|' => 'icon_neutral.gif', |
|---|
| 2712 | ';)' => 'icon_wink.gif', |
|---|
| 2713 | ':!:' => 'icon_exclaim.gif', |
|---|
| 2714 | ':?:' => 'icon_question.gif', |
|---|
| 2715 | ); |
|---|
| 2716 | } |
|---|
| 2717 | |
|---|
| 2718 | if (count($wpsmiliestrans) == 0) { |
|---|
| 2719 | return; |
|---|
| 2720 | } |
|---|
| 2721 | |
|---|
| 2722 | /* |
|---|
| 2723 | * NOTE: we sort the smilies in reverse key order. This is to make sure |
|---|
| 2724 | * we match the longest possible smilie (:???: vs :?) as the regular |
|---|
| 2725 | * expression used below is first-match |
|---|
| 2726 | */ |
|---|
| 2727 | krsort($wpsmiliestrans); |
|---|
| 2728 | |
|---|
| 2729 | $wp_smiliessearch = '/(?:\s|^)'; |
|---|
| 2730 | |
|---|
| 2731 | $subchar = ''; |
|---|
| 2732 | foreach ( (array) $wpsmiliestrans as $smiley => $img ) { |
|---|
| 2733 | $firstchar = substr($smiley, 0, 1); |
|---|
| 2734 | $rest = substr($smiley, 1); |
|---|
| 2735 | |
|---|
| 2736 | // new subpattern? |
|---|
| 2737 | if ($firstchar != $subchar) { |
|---|
| 2738 | if ($subchar != '') { |
|---|
| 2739 | $wp_smiliessearch .= ')|(?:\s|^)'; |
|---|
| 2740 | } |
|---|
| 2741 | $subchar = $firstchar; |
|---|
| 2742 | $wp_smiliessearch .= preg_quote($firstchar, '/') . '(?:'; |
|---|
| 2743 | } else { |
|---|
| 2744 | $wp_smiliessearch .= '|'; |
|---|
| 2745 | } |
|---|
| 2746 | $wp_smiliessearch .= preg_quote($rest, '/'); |
|---|
| 2747 | } |
|---|
| 2748 | |
|---|
| 2749 | $wp_smiliessearch .= ')(?:\s|$)/m'; |
|---|
| 2750 | } |
|---|
| 2751 | |
|---|
| 2752 | /** |
|---|
| 2753 | * Merge user defined arguments into defaults array. |
|---|
| 2754 | * |
|---|
| 2755 | * This function is used throughout WordPress to allow for both string or array |
|---|
| 2756 | * to be merged into another array. |
|---|
| 2757 | * |
|---|
| 2758 | * @since 2.2.0 |
|---|
| 2759 | * |
|---|
| 2760 | * @param string|array $args Value to merge with $defaults |
|---|
| 2761 | * @param array $defaults Array that serves as the defaults. |
|---|
| 2762 | * @return array Merged user defined values with defaults. |
|---|
| 2763 | */ |
|---|
| 2764 | function wp_parse_args( $args, $defaults = '' ) { |
|---|
| 2765 | if ( is_object( $args ) ) |
|---|
| 2766 | $r = get_object_vars( $args ); |
|---|
| 2767 | elseif ( is_array( $args ) ) |
|---|
| 2768 | $r =& $args; |
|---|
| 2769 | else |
|---|
| 2770 | wp_parse_str( $args, $r ); |
|---|
| 2771 | |
|---|
| 2772 | if ( is_array( $defaults ) ) |
|---|
| 2773 | return array_merge( $defaults, $r ); |
|---|
| 2774 | return $r; |
|---|
| 2775 | } |
|---|
| 2776 | |
|---|
| 2777 | /** |
|---|
| 2778 | * Determines if default embed handlers should be loaded. |
|---|
| 2779 | * |
|---|
| 2780 | * Checks to make sure that the embeds library hasn't already been loaded. If |
|---|
| 2781 | * it hasn't, then it will load the embeds library. |
|---|
| 2782 | * |
|---|
| 2783 | * @since 2.9 |
|---|
| 2784 | */ |
|---|
| 2785 | function wp_maybe_load_embeds() { |
|---|
| 2786 | if ( ! apply_filters('load_default_embeds', true) ) |
|---|
| 2787 | return; |
|---|
| 2788 | require_once( ABSPATH . WPINC . '/default-embeds.php' ); |
|---|
| 2789 | } |
|---|
| 2790 | |
|---|
| 2791 | /** |
|---|
| 2792 | * Determines if Widgets library should be loaded. |
|---|
| 2793 | * |
|---|
| 2794 | * Checks to make sure that the widgets library hasn't already been loaded. If |
|---|
| 2795 | * it hasn't, then it will load the widgets library and run an action hook. |
|---|
| 2796 | * |
|---|
| 2797 | * @since 2.2.0 |
|---|
| 2798 | * @uses add_action() Calls '_admin_menu' hook with 'wp_widgets_add_menu' value. |
|---|
| 2799 | */ |
|---|
| 2800 | function wp_maybe_load_widgets() { |
|---|
| 2801 | if ( ! apply_filters('load_default_widgets', true) ) |
|---|
| 2802 | return; |
|---|
| 2803 | require_once( ABSPATH . WPINC . '/default-widgets.php' ); |
|---|
| 2804 | add_action( '_admin_menu', 'wp_widgets_add_menu' ); |
|---|
| 2805 | } |
|---|
| 2806 | |
|---|
| 2807 | /** |
|---|
| 2808 | * Append the Widgets menu to the themes main menu. |
|---|
| 2809 | * |
|---|
| 2810 | * @since 2.2.0 |
|---|
| 2811 | * @uses $submenu The administration submenu list. |
|---|
| 2812 | */ |
|---|
| 2813 | function wp_widgets_add_menu() { |
|---|
| 2814 | global $submenu; |
|---|
| 2815 | $submenu['themes.php'][7] = array( __( 'Widgets' ), 'switch_themes', 'widgets.php' ); |
|---|
| 2816 | ksort( $submenu['themes.php'], SORT_NUMERIC ); |
|---|
| 2817 | } |
|---|
| 2818 | |
|---|
| 2819 | /** |
|---|
| 2820 | * Flush all output buffers for PHP 5.2. |
|---|
| 2821 | * |
|---|
| 2822 | * Make sure all output buffers are flushed before our singletons our destroyed. |
|---|
| 2823 | * |
|---|
| 2824 | * @since 2.2.0 |
|---|
| 2825 | */ |
|---|
| 2826 | function wp_ob_end_flush_all() { |
|---|
| 2827 | $levels = ob_get_level(); |
|---|
| 2828 | for ($i=0; $i<$levels; $i++) |
|---|
| 2829 | ob_end_flush(); |
|---|
| 2830 | } |
|---|
| 2831 | |
|---|
| 2832 | /** |
|---|
| 2833 | * Load the correct database class file. |
|---|
| 2834 | * |
|---|
| 2835 | * This function is used to load the database class file either at runtime or by |
|---|
| 2836 | * wp-admin/setup-config.php We must globalise $wpdb to ensure that it is |
|---|
| 2837 | * defined globally by the inline code in wp-db.php. |
|---|
| 2838 | * |
|---|
| 2839 | * @since 2.5.0 |
|---|
| 2840 | * @global $wpdb WordPress Database Object |
|---|
| 2841 | */ |
|---|
| 2842 | function require_wp_db() { |
|---|
| 2843 | global $wpdb; |
|---|
| 2844 | if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) |
|---|
| 2845 | require_once( WP_CONTENT_DIR . '/db.php' ); |
|---|
| 2846 | else |
|---|
| 2847 | require_once( ABSPATH . WPINC . '/wp-db.php' ); |
|---|
| 2848 | } |
|---|
| 2849 | |
|---|
| 2850 | /** |
|---|
| 2851 | * Load custom DB error or display WordPress DB error. |
|---|
| 2852 | * |
|---|
| 2853 | * If a file exists in the wp-content directory named db-error.php, then it will |
|---|
| 2854 | * be loaded instead of displaying the WordPress DB error. If it is not found, |
|---|
| 2855 | * then the WordPress DB error will be displayed instead. |
|---|
| 2856 | * |
|---|
| 2857 | * The WordPress DB error sets the HTTP status header to 500 to try to prevent |
|---|
| 2858 | * search engines from caching the message. Custom DB messages should do the |
|---|
| 2859 | * same. |
|---|
| 2860 | * |
|---|
| 2861 | * This function was backported to the the WordPress 2.3.2, but originally was |
|---|
| 2862 | * added in WordPress 2.5.0. |
|---|
| 2863 | * |
|---|
| 2864 | * @since 2.3.2 |
|---|
| 2865 | * @uses $wpdb |
|---|
| 2866 | */ |
|---|
| 2867 | function dead_db() { |
|---|
| 2868 | global $wpdb; |
|---|
| 2869 | |
|---|
| 2870 | // Load custom DB error template, if present. |
|---|
| 2871 | if ( file_exists( WP_CONTENT_DIR . '/db-error.php' ) ) { |
|---|
| 2872 | require_once( WP_CONTENT_DIR . '/db-error.php' ); |
|---|
| 2873 | die(); |
|---|
| 2874 | } |
|---|
| 2875 | |
|---|
| 2876 | // If installing or in the admin, provide the verbose message. |
|---|
| 2877 | if ( defined('WP_INSTALLING') || defined('WP_ADMIN') ) |
|---|
| 2878 | wp_die($wpdb->error); |
|---|
| 2879 | |
|---|
| 2880 | // Otherwise, be terse. |
|---|
| 2881 | status_header( 500 ); |
|---|
| 2882 | nocache_headers(); |
|---|
| 2883 | header( 'Content-Type: text/html; charset=utf-8' ); |
|---|
| 2884 | ?> |
|---|
| 2885 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
|---|
| 2886 | <html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) ) language_attributes(); ?>> |
|---|
| 2887 | <head> |
|---|
| 2888 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
|---|
| 2889 | <title>Database Error</title> |
|---|
| 2890 | |
|---|
| 2891 | </head> |
|---|
| 2892 | <body> |
|---|
| 2893 | <h1>Error establishing a database connection</h1> |
|---|
| 2894 | </body> |
|---|
| 2895 | </html> |
|---|
| 2896 | <?php |
|---|
| 2897 | die(); |
|---|
| 2898 | } |
|---|
| 2899 | |
|---|
| 2900 | /** |
|---|
| 2901 | * Converts value to nonnegative integer. |
|---|
| 2902 | * |
|---|
| 2903 | * @since 2.5.0 |
|---|
| 2904 | * |
|---|
| 2905 | * @param mixed $maybeint Data you wish to have convered to an nonnegative integer |
|---|
| 2906 | * @return int An nonnegative integer |
|---|
| 2907 | */ |
|---|
| 2908 | function absint( $maybeint ) { |
|---|
| 2909 | return abs( intval( $maybeint ) ); |
|---|
| 2910 | } |
|---|
| 2911 | |
|---|
| 2912 | /** |
|---|
| 2913 | * Determines if the blog can be accessed over SSL. |
|---|
| 2914 | * |
|---|
| 2915 | * Determines if blog can be accessed over SSL by using cURL to access the site |
|---|
| 2916 | * using the https in the siteurl. Requires cURL extension to work correctly. |
|---|
| 2917 | * |
|---|
| 2918 | * @since 2.5.0 |
|---|
| 2919 | * |
|---|
| 2920 | * @return bool Whether or not SSL access is available |
|---|
| 2921 | */ |
|---|
| 2922 | function url_is_accessable_via_ssl($url) |
|---|
| 2923 | { |
|---|
| 2924 | if (in_array('curl', get_loaded_extensions())) { |
|---|
| 2925 | $ssl = preg_replace( '/^http:\/\//', 'https://', $url ); |
|---|
| 2926 | |
|---|
| 2927 | $ch = curl_init(); |
|---|
| 2928 | curl_setopt($ch, CURLOPT_URL, $ssl); |
|---|
| 2929 | curl_setopt($ch, CURLOPT_FAILONERROR, true); |
|---|
| 2930 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
|---|
| 2931 | curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); |
|---|
| 2932 | curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); |
|---|
| 2933 | |
|---|
| 2934 | curl_exec($ch); |
|---|
| 2935 | |
|---|
| 2936 | $status = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
|---|
| 2937 | curl_close ($ch); |
|---|
| 2938 | |
|---|
| 2939 | if ($status == 200 || $status == 401) { |
|---|
| 2940 | return true; |
|---|
| 2941 | } |
|---|
| 2942 | } |
|---|
| 2943 | return false; |
|---|
| 2944 | } |
|---|
| 2945 | |
|---|
| 2946 | /** |
|---|
| 2947 | * Secure URL, if available or the given URL. |
|---|
| 2948 | * |
|---|
| 2949 | * @since 2.5.0 |
|---|
| 2950 | * |
|---|
| 2951 | * @param string $url Complete URL path with transport. |
|---|
| 2952 | * @return string Secure or regular URL path. |
|---|
| 2953 | */ |
|---|
| 2954 | function atom_service_url_filter($url) |
|---|
| 2955 | { |
|---|
| 2956 | if ( url_is_accessable_via_ssl($url) ) |
|---|
| 2957 | return preg_replace( '/^http:\/\//', 'https://', $url ); |
|---|
| 2958 | else |
|---|
| 2959 | return $url; |
|---|
| 2960 | } |
|---|
| 2961 | |
|---|
| 2962 | /** |
|---|
| 2963 | * Marks a function as deprecated and informs when it has been used. |
|---|
| 2964 | * |
|---|
| 2965 | * There is a hook deprecated_function_run that will be called that can be used |
|---|
| 2966 | * to get the backtrace up to what file and function called the deprecated |
|---|
| 2967 | * function. |
|---|
| 2968 | * |
|---|
| 2969 | * The current behavior is to trigger an user error if WP_DEBUG is true. |
|---|
| 2970 | * |
|---|
| 2971 | * This function is to be used in every function in depreceated.php |
|---|
| 2972 | * |
|---|
| 2973 | * @package WordPress |
|---|
| 2974 | * @package Debug |
|---|
| 2975 | * @since 2.5.0 |
|---|
| 2976 | * @access private |
|---|
| 2977 | * |
|---|
| 2978 | * @uses do_action() Calls 'deprecated_function_run' and passes the function name and what to use instead. |
|---|
| 2979 | * @uses apply_filters() Calls 'deprecated_function_trigger_error' and expects boolean value of true to do trigger or false to not trigger error. |
|---|
| 2980 | * |
|---|
| 2981 | * @param string $function The function that was called |
|---|
| 2982 | * @param string $version The version of WordPress that deprecated the function |
|---|
| 2983 | * @param string $replacement Optional. The function that should have been called |
|---|
| 2984 | */ |
|---|
| 2985 | function _deprecated_function($function, $version, $replacement=null) { |
|---|
| 2986 | |
|---|
| 2987 | do_action('deprecated_function_run', $function, $replacement); |
|---|
| 2988 | |
|---|
| 2989 | // Allow plugin to filter the output error trigger |
|---|
| 2990 | if( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true )) { |
|---|
| 2991 | if( !is_null($replacement) ) |
|---|
| 2992 | trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) ); |
|---|
| 2993 | else |
|---|
| 2994 | trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) ); |
|---|
| 2995 | } |
|---|
| 2996 | } |
|---|
| 2997 | |
|---|
| 2998 | /** |
|---|
| 2999 | * Marks a file as deprecated and informs when it has been used. |
|---|
| 3000 | * |
|---|
| 3001 | * There is a hook deprecated_file_included that will be called that can be used |
|---|
| 3002 | * to get the backtrace up to what file and function included the deprecated |
|---|
| 3003 | * file. |
|---|
| 3004 | * |
|---|
| 3005 | * The current behavior is to trigger an user error if WP_DEBUG is true. |
|---|
| 3006 | * |
|---|
| 3007 | * This function is to be used in every file that is depreceated |
|---|
| 3008 | * |
|---|
| 3009 | * @package WordPress |
|---|
| 3010 | * @package Debug |
|---|
| 3011 | * @since 2.5.0 |
|---|
| 3012 | * @access private |
|---|
| 3013 | * |
|---|
| 3014 | * @uses do_action() Calls 'deprecated_file_included' and passes the file name and what to use instead. |
|---|
| 3015 | * @uses apply_filters() Calls 'deprecated_file_trigger_error' and expects boolean value of true to do trigger or false to not trigger error. |
|---|
| 3016 | * |
|---|
| 3017 | * @param string $file The file that was included |
|---|
| 3018 | * @param string $version The version of WordPress that deprecated the function |
|---|
| 3019 | * @param string $replacement Optional. The function that should have been called |
|---|
| 3020 | */ |
|---|
| 3021 | function _deprecated_file($file, $version, $replacement=null) { |
|---|
| 3022 | |
|---|
| 3023 | do_action('deprecated_file_included', $file, $replacement); |
|---|
| 3024 | |
|---|
| 3025 | // Allow plugin to filter the output error trigger |
|---|
| 3026 | if( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) { |
|---|
| 3027 | if( !is_null($replacement) ) |
|---|
| 3028 | trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) ); |
|---|
| 3029 | else |
|---|
| 3030 | trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $file, $version ) ); |
|---|
| 3031 | } |
|---|
| 3032 | } |
|---|
| 3033 | |
|---|
| 3034 | /** |
|---|
| 3035 | * Is the server running earlier than 1.5.0 version of lighttpd |
|---|
| 3036 | * |
|---|
| 3037 | * @since 2.5.0 |
|---|
| 3038 | * |
|---|
| 3039 | * @return bool Whether the server is running lighttpd < 1.5.0 |
|---|
| 3040 | */ |
|---|
| 3041 | function is_lighttpd_before_150() { |
|---|
| 3042 | $server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] )? $_SERVER['SERVER_SOFTWARE'] : '' ); |
|---|
| 3043 | $server_parts[1] = isset( $server_parts[1] )? $server_parts[1] : ''; |
|---|
| 3044 | return 'lighttpd' == $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' ); |
|---|
| 3045 | } |
|---|
| 3046 | |
|---|
| 3047 | /** |
|---|
| 3048 | * Does the specified module exist in the apache config? |
|---|
| 3049 | * |
|---|
| 3050 | * @since 2.5.0 |
|---|
| 3051 | * |
|---|
| 3052 | * @param string $mod e.g. mod_rewrite |
|---|
| 3053 | * @param bool $default The default return value if the module is not found |
|---|
| 3054 | * @return bool |
|---|
| 3055 | */ |
|---|
| 3056 | function apache_mod_loaded($mod, $default = false) { |
|---|
| 3057 | global $is_apache; |
|---|
| 3058 | |
|---|
| 3059 | if ( !$is_apache ) |
|---|
| 3060 | return false; |
|---|
| 3061 | |
|---|
| 3062 | if ( function_exists('apache_get_modules') ) { |
|---|
| 3063 | $mods = apache_get_modules(); |
|---|
| 3064 | if ( in_array($mod, $mods) ) |
|---|
| 3065 | return true; |
|---|
| 3066 | } elseif ( function_exists('phpinfo') ) { |
|---|
| 3067 | ob_start(); |
|---|
| 3068 | phpinfo(8); |
|---|
| 3069 | $phpinfo = ob_get_clean(); |
|---|
| 3070 | if ( false !== strpos($phpinfo, $mod) ) |
|---|
| 3071 | return true; |
|---|
| 3072 | } |
|---|
| 3073 | return $default; |
|---|
| 3074 | } |
|---|
| 3075 | |
|---|
| 3076 | /** |
|---|
| 3077 | * File validates against allowed set of defined rules. |
|---|
| 3078 | * |
|---|
| 3079 | * A return value of '1' means that the $file contains either '..' or './'. A |
|---|
| 3080 | * return value of '2' means that the $file contains ':' after the first |
|---|
| 3081 | * character. A return value of '3' means that the file is not in the allowed |
|---|
| 3082 | * files list. |
|---|
| 3083 | * |
|---|
| 3084 | * @since 1.2.0 |
|---|
| 3085 | * |
|---|
| 3086 | * @param string $file File path. |
|---|
| 3087 | * @param array $allowed_files List of allowed files. |
|---|
| 3088 | * @return int 0 means nothing is wrong, greater than 0 means something was wrong. |
|---|
| 3089 | */ |
|---|
| 3090 | function validate_file( $file, $allowed_files = '' ) { |
|---|
| 3091 | if ( false !== strpos( $file, '..' )) |
|---|
| 3092 | return 1; |
|---|
| 3093 | |
|---|
| 3094 | if ( false !== strpos( $file, './' )) |
|---|
| 3095 | return 1; |
|---|
| 3096 | |
|---|
| 3097 | if (':' == substr( $file, 1, 1 )) |
|---|
| 3098 | return 2; |
|---|
| 3099 | |
|---|
| 3100 | if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) ) |
|---|
| 3101 | return 3; |
|---|
| 3102 | |
|---|
| 3103 | return 0; |
|---|
| 3104 | } |
|---|
| 3105 | |
|---|
| 3106 | /** |
|---|
| 3107 | * Determine if SSL is used. |
|---|
| 3108 | * |
|---|
| 3109 | * @since 2.6.0 |
|---|
| 3110 | * |
|---|
| 3111 | * @return bool True if SSL, false if not used. |
|---|
| 3112 | */ |
|---|
| 3113 | function is_ssl() { |
|---|
| 3114 | if ( isset($_SERVER['HTTPS']) ) { |
|---|
| 3115 | if ( 'on' == strtolower($_SERVER['HTTPS']) ) |
|---|
| 3116 | return true; |
|---|
| 3117 | if ( '1' == $_SERVER['HTTPS'] ) |
|---|
| 3118 | return true; |
|---|
| 3119 | } elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) { |
|---|
| 3120 | return true; |
|---|
| 3121 | } |
|---|
| 3122 | return false; |
|---|
| 3123 | } |
|---|
| 3124 | |
|---|
| 3125 | /** |
|---|
| 3126 | * Whether SSL login should be forced. |
|---|
| 3127 | * |
|---|
| 3128 | * @since 2.6.0 |
|---|
| 3129 | * |
|---|
| 3130 | * @param string|bool $force Optional. |
|---|
| 3131 | * @return bool True if forced, false if not forced. |
|---|
| 3132 | */ |
|---|
| 3133 | function force_ssl_login( $force = null ) { |
|---|
| 3134 | static $forced = false; |
|---|
| 3135 | |
|---|
| 3136 | if ( !is_null( $force ) ) { |
|---|
| 3137 | $old_forced = $forced; |
|---|
| 3138 | $forced = $force; |
|---|
| 3139 | return $old_forced; |
|---|
| 3140 | } |
|---|
| 3141 | |
|---|
| 3142 | return $forced; |
|---|
| 3143 | } |
|---|
| 3144 | |
|---|
| 3145 | /** |
|---|
| 3146 | * Whether to force SSL used for the Administration Panels. |
|---|
| 3147 | * |
|---|
| 3148 | * @since 2.6.0 |
|---|
| 3149 | * |
|---|
| 3150 | * @param string|bool $force |
|---|
| 3151 | * @return bool True if forced, false if not forced. |
|---|
| 3152 | */ |
|---|
| 3153 | function force_ssl_admin( $force = null ) { |
|---|
| 3154 | static $forced = false; |
|---|
| 3155 | |
|---|
| 3156 | if ( !is_null( $force ) ) { |
|---|
| 3157 | $old_forced = $forced; |
|---|
| 3158 | $forced = $force; |
|---|
| 3159 | return $old_forced; |
|---|
| 3160 | } |
|---|
| 3161 | |
|---|
| 3162 | return $forced; |
|---|
| 3163 | } |
|---|
| 3164 | |
|---|
| 3165 | /** |
|---|
| 3166 | * Guess the URL for the site. |
|---|
| 3167 | * |
|---|
| 3168 | * Will remove wp-admin links to retrieve only return URLs not in the wp-admin |
|---|
| 3169 | * directory. |
|---|
| 3170 | * |
|---|
| 3171 | * @since 2.6.0 |
|---|
| 3172 | * |
|---|
| 3173 | * @return string |
|---|
| 3174 | */ |
|---|
| 3175 | function wp_guess_url() { |
|---|
| 3176 | if ( defined('WP_SITEURL') && '' != WP_SITEURL ) { |
|---|
| 3177 | $url = WP_SITEURL; |
|---|
| 3178 | } else { |
|---|
| 3179 | $schema = ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) ? 'https://' : 'http://'; |
|---|
| 3180 | $url = preg_replace('|/wp-admin/.*|i', '', $schema . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']); |
|---|
| 3181 | } |
|---|
| 3182 | return $url; |
|---|
| 3183 | } |
|---|
| 3184 | |
|---|
| 3185 | /** |
|---|
| 3186 | * Suspend cache invalidation. |
|---|
| 3187 | * |
|---|
| 3188 | * Turns cache invalidation on and off. Useful during imports where you don't wont to do invalidations |
|---|
| 3189 | * every time a post is inserted. Callers must be sure that what they are doing won't lead to an inconsistent |
|---|
| 3190 | * cache when invalidation is suspended. |
|---|
| 3191 | * |
|---|
| 3192 | * @since 2.7.0 |
|---|
| 3193 | * |
|---|
| 3194 | * @param bool $suspend Whether to suspend or enable cache invalidation |
|---|
| 3195 | * @return bool The current suspend setting |
|---|
| 3196 | */ |
|---|
| 3197 | function wp_suspend_cache_invalidation($suspend = true) { |
|---|
| 3198 | global $_wp_suspend_cache_invalidation; |
|---|
| 3199 | |
|---|
| 3200 | $current_suspend = $_wp_suspend_cache_invalidation; |
|---|
| 3201 | $_wp_suspend_cache_invalidation = $suspend; |
|---|
| 3202 | return $current_suspend; |
|---|
| 3203 | } |
|---|
| 3204 | |
|---|
| 3205 | /** |
|---|
| 3206 | * Retrieve site option value based on option name. |
|---|
| 3207 | * |
|---|
| 3208 | * @see get_option() |
|---|
| 3209 | * @package WordPress |
|---|
| 3210 | * @subpackage Option |
|---|
| 3211 | * @since 2.8.0 |
|---|
| 3212 | * @uses apply_filters() Calls 'pre_site_option_$option' null to allow overwriting |
|---|
| 3213 | * the option value in a plugin. |
|---|
| 3214 | * @uses apply_filters() Calls 'site_option_$option' with the option name value. |
|---|
| 3215 | * |
|---|
| 3216 | * @param string $option Name of option to retrieve. Should already be SQL-escaped |
|---|
| 3217 | * @param mixed $default Optional value to return if option doesn't exist |
|---|
| 3218 | * @param use_cache Used only in WordPress MU. |
|---|
| 3219 | * @return mixed Value set for the option. |
|---|
| 3220 | */ |
|---|
| 3221 | function get_site_option( $option, $default = false, $use_cache = true ) { |
|---|
| 3222 | // Allow plugins to short-circuit site options. |
|---|
| 3223 | $pre = apply_filters( 'pre_site_option_' . $option, null ); |
|---|
| 3224 | if ( null !== $pre ) |
|---|
| 3225 | return $pre; |
|---|
| 3226 | |
|---|
| 3227 | $value = get_option( $option, $default ) ; |
|---|
| 3228 | |
|---|
| 3229 | return apply_filters( 'site_option_' . $option, $value ); |
|---|
| 3230 | } |
|---|
| 3231 | |
|---|
| 3232 | /** |
|---|
| 3233 | * Add a new site option. |
|---|
| 3234 | * |
|---|
| 3235 | * @see add_option() |
|---|
| 3236 | * @package WordPress |
|---|
| 3237 | * @subpackage Option |
|---|
| 3238 | * @since 2.8.0 |
|---|
| 3239 | * @link http://alex.vort-x.net/blog/ Thanks Alex Stapleton |
|---|
| 3240 | * @uses apply_filters() Calls 'pre_add_option_$option' to allow overwriting |
|---|
| 3241 | * the option value in a plugin. |
|---|
| 3242 | * |
|---|
| 3243 | * @param string $option Name of option to add. Expects to not be SQL escaped. |
|---|
| 3244 | * @param mixed $value Optional. Option value, can be anything. |
|---|
| 3245 | * @return bool False if option was not added and true if option was added. |
|---|
| 3246 | */ |
|---|
| 3247 | function add_site_option( $option, $value ) { |
|---|
| 3248 | $value = apply_filters( 'pre_add_site_option_' . $option, $value ); |
|---|
| 3249 | do_action( 'add_site_option', $option, $value ); |
|---|
| 3250 | $result = add_option( $option, $value ); |
|---|
| 3251 | if ( $result ) { |
|---|
| 3252 | do_action( "add_site_option_{$option}", $option, $value ); |
|---|
| 3253 | do_action( 'added_site_option', $option, $value ); |
|---|
| 3254 | } |
|---|
| 3255 | return $result; |
|---|
| 3256 | } |
|---|
| 3257 | |
|---|
| 3258 | /** |
|---|
| 3259 | * Removes site option by name. |
|---|
| 3260 | * |
|---|
| 3261 | * @see delete_option() |
|---|
| 3262 | * @package WordPress |
|---|
| 3263 | * @subpackage Option |
|---|
| 3264 | * @since 2.8.0 |
|---|
| 3265 | * |
|---|
| 3266 | * @param string $option Name of option to remove. Expected to be SQL-escaped. |
|---|
| 3267 | * @return bool True, if succeed. False, if failure. |
|---|
| 3268 | */ |
|---|
| 3269 | function delete_site_option( $option ) { |
|---|
| 3270 | do_action( 'delete_site_option', $option ); |
|---|
| 3271 | $result = delete_option( $option ); |
|---|
| 3272 | if ( $result ) { |
|---|
| 3273 | do_action( "delete_site_option_{$option}", $option ); |
|---|
| 3274 | do_action( 'deleted_site_option', $option ); |
|---|
| 3275 | } |
|---|
| 3276 | return $result; |
|---|
| 3277 | } |
|---|
| 3278 | |
|---|
| 3279 | /** |
|---|
| 3280 | * Update the value of a site option that was already added. |
|---|
| 3281 | * |
|---|
| 3282 | * @see update_option() |
|---|
| 3283 | * @since 2.8.0 |
|---|
| 3284 | * @package WordPress |
|---|
| 3285 | * @subpackage Option |
|---|
| 3286 | * @uses apply_filters() calls 'pre_update_site_option_$option' to allow overwriting |
|---|
| 3287 | * the option value in a plugin. |
|---|
| 3288 | * @param string $option Option name. Expected to not be SQL-escaped |
|---|
| 3289 | * @param mixed $value Option value. |
|---|
| 3290 | * @return bool False if value was not updated and true if value was updated. |
|---|
| 3291 | */ |
|---|
| 3292 | function update_site_option( $option, $value ) { |
|---|
| 3293 | $old_value = get_site_option( $option ); |
|---|
| 3294 | $new_value = apply_filters( 'pre_update_site_option_' . $option, $value, $old_value ); |
|---|
| 3295 | |
|---|
| 3296 | if ( $new_value === $old_value ) |
|---|
| 3297 | return false; |
|---|
| 3298 | |
|---|
| 3299 | if ( false === $old_value ) |
|---|
| 3300 | return add_site_option( $option, $new_value ); |
|---|
| 3301 | |
|---|
| 3302 | do_action( 'update_site_option', $option, $old_value, $new_value ); |
|---|
| 3303 | $result = update_option( $option, $new_value ); |
|---|
| 3304 | if ( $result ) { |
|---|
| 3305 | do_action( "update_site_option_{$option}", $option, $old_value, $new_value ); |
|---|
| 3306 | do_action( 'updated_site_option', $option, $old_value, $new_value ); |
|---|
| 3307 | } |
|---|
| 3308 | return $result; |
|---|
| 3309 | } |
|---|
| 3310 | |
|---|
| 3311 | /** |
|---|
| 3312 | * Delete a site transient |
|---|
| 3313 | * |
|---|
| 3314 | * @see delete_transient() |
|---|
| 3315 | * @since 2.9.0 |
|---|
| 3316 | * @package WordPress |
|---|
| 3317 | * @subpackage Transient |
|---|
| 3318 | * |
|---|
| 3319 | * @param string $transient Transient name. Expected to not be SQL-escaped |
|---|
| 3320 | * @return bool true if successful, false otherwise |
|---|
| 3321 | */ |
|---|
| 3322 | function delete_site_transient($transient) { |
|---|
| 3323 | global $_wp_using_ext_object_cache; |
|---|
| 3324 | |
|---|
| 3325 | do_action( 'delete_site_transient', $transient ); |
|---|
| 3326 | if ( $_wp_using_ext_object_cache ) { |
|---|
| 3327 | $result = wp_cache_delete( $transient, 'site-transient' ); |
|---|
| 3328 | } else { |
|---|
| 3329 | $result = delete_site_option( '_site_transient_' . esc_sql( $transient ) ); |
|---|
| 3330 | } |
|---|
| 3331 | |
|---|
| 3332 | if ( $result ) { |
|---|
| 3333 | do_action( "delete_site_transient_{$transient}", $transient ); |
|---|
| 3334 | do_action( 'deleted_site_transient', $transient ); |
|---|
| 3335 | } |
|---|
| 3336 | return $result; |
|---|
| 3337 | } |
|---|
| 3338 | |
|---|
| 3339 | /** |
|---|
| 3340 | * Get the value of a site transient. |
|---|
| 3341 | * |
|---|
| 3342 | * If the transient does not exist or does not have a value, then the return value |
|---|
| 3343 | * will be false. |
|---|
| 3344 | * |
|---|
| 3345 | * @see get_transient() |
|---|
| 3346 | * @since 2.9.0 |
|---|
| 3347 | * @package WordPress |
|---|
| 3348 | * @subpackage Transient |
|---|
| 3349 | * @uses apply_filters() calls 'pre_site_transient_$transient' and 'site_transient_$transient' |
|---|
| 3350 | to allow overwriting the transient value in a plugin. |
|---|
| 3351 | * |
|---|
| 3352 | * @param string $transient Transient name. Expected to not be SQL-escaped |
|---|
| 3353 | * @return mixed Value of transient |
|---|
| 3354 | */ |
|---|
| 3355 | function get_site_transient($transient) { |
|---|
| 3356 | global $_wp_using_ext_object_cache; |
|---|
| 3357 | |
|---|
| 3358 | $pre = apply_filters( 'pre_site_transient_' . $transient, null ); |
|---|
| 3359 | if ( null !== $pre ) |
|---|
| 3360 | return $pre; |
|---|
| 3361 | |
|---|
| 3362 | if ( $_wp_using_ext_object_cache ) { |
|---|
| 3363 | $value = wp_cache_get( $transient, 'site-transient' ); |
|---|
| 3364 | } else { |
|---|
| 3365 | $safe_transient = esc_sql( $transient ); |
|---|
| 3366 | $transient_option = '_site_transient_' . $safe_transient; |
|---|
| 3367 | $transient_timeout = '_site_transient_timeout_' . $safe_transient; |
|---|
| 3368 | if ( get_site_option( $transient_timeout ) < time() ) { |
|---|
| 3369 | delete_site_option( $transient_option ); |
|---|
| 3370 | delete_site_option( $transient_timeout ); |
|---|
| 3371 | return false; |
|---|
| 3372 | } |
|---|
| 3373 | |
|---|
| 3374 | $value = get_site_option( $transient_option ); |
|---|
| 3375 | } |
|---|
| 3376 | |
|---|
| 3377 | return apply_filters( 'site_transient_' . $transient, $value ); |
|---|
| 3378 | } |
|---|
| 3379 | |
|---|
| 3380 | /** |
|---|
| 3381 | * Set/update the value of a site transient |
|---|
| 3382 | * |
|---|
| 3383 | * You do not need to serialize values, if the value needs to be serialize, then |
|---|
| 3384 | * it will be serialized before it is set. |
|---|
| 3385 | * |
|---|
| 3386 | * @see set_transient() |
|---|
| 3387 | * @since 2.9.0 |
|---|
| 3388 | * @package WordPress |
|---|
| 3389 | * @subpackage Transient |
|---|
| 3390 | * @uses apply_filters() Calls 'pre_set_site_transient_$transient' null to allow overwriting |
|---|
| 3391 | * the transient value in a plugin. |
|---|
| 3392 | * @uses apply_filters() Calls 'pre_set_site_transient_expiration_$transient' null to allow overwriting |
|---|
| 3393 | * the transient expiration in a plugin. |
|---|
| 3394 | * |
|---|
| 3395 | * @param string $transient Transient name. Expected to not be SQL-escaped |
|---|
| 3396 | * @param mixed $value Transient value. |
|---|
| 3397 | * @param int $expiration Time until expiration in seconds, default 0 |
|---|
| 3398 | * @return bool False if value was not set and true if value was set. |
|---|
| 3399 | */ |
|---|
| 3400 | function set_site_transient($transient, $value, $expiration = 0) { |
|---|
| 3401 | global $_wp_using_ext_object_cache; |
|---|
| 3402 | |
|---|
| 3403 | $value = apply_filters( 'pre_set_site_transient_' . $transient, $value, $expiration ); |
|---|
| 3404 | $expiration = apply_filters( 'pre_set_site_transient_expiration_' . $transient, $expiration, $value ); |
|---|
| 3405 | |
|---|
| 3406 | do_action( 'set_site_transient', $transient, $value, $expiration ); |
|---|
| 3407 | if ( $_wp_using_ext_object_cache ) { |
|---|
| 3408 | $result = wp_cache_set($transient, $value, 'site-transient', $expiration); |
|---|
| 3409 | } else { |
|---|
| 3410 | $transient_timeout = '_site_transient_timeout_' . $transient; |
|---|
| 3411 | $transient = '_site_transient_' . $transient; |
|---|
| 3412 | $safe_transient = esc_sql($transient); |
|---|
| 3413 | if ( false === get_site_option( $safe_transient ) ) { |
|---|
| 3414 | if ( 0 != $expiration ) |
|---|
| 3415 | add_site_option( $transient_timeout, time() + $expiration ); |
|---|
| 3416 | $result = add_site_option($transient, $value); |
|---|
| 3417 | } else { |
|---|
| 3418 | if ( 0 != $expiration ) |
|---|
| 3419 | update_site_option( $transient_timeout, time() + $expiration ); |
|---|
| 3420 | $result = update_site_option( $transient, $value ); |
|---|
| 3421 | } |
|---|
| 3422 | } |
|---|
| 3423 | if ( $result ) { |
|---|
| 3424 | do_action( "set_site_transient_{$transient}", $transient, $value, $expiration ); |
|---|
| 3425 | do_action( 'setted_site_transient', $transient, $value, $expiration ); |
|---|
| 3426 | } |
|---|
| 3427 | return $result; |
|---|
| 3428 | } |
|---|
| 3429 | |
|---|
| 3430 | /** |
|---|
| 3431 | * gmt_offset modification for smart timezone handling |
|---|
| 3432 | * |
|---|
| 3433 | * Overrides the gmt_offset option if we have a timezone_string available |
|---|
| 3434 | */ |
|---|
| 3435 | function wp_timezone_override_offset() { |
|---|
| 3436 | if ( !wp_timezone_supported() ) { |
|---|
| 3437 | return false; |
|---|
| 3438 | } |
|---|
| 3439 | if ( !$timezone_string = get_option( 'timezone_string' ) ) { |
|---|
| 3440 | return false; |
|---|
| 3441 | } |
|---|
| 3442 | |
|---|
| 3443 | @date_default_timezone_set( $timezone_string ); |
|---|
| 3444 | $timezone_object = timezone_open( $timezone_string ); |
|---|
| 3445 | $datetime_object = date_create(); |
|---|
| 3446 | if ( false === $timezone_object || false === $datetime_object ) { |
|---|
| 3447 | return false; |
|---|
| 3448 | } |
|---|
| 3449 | return round( timezone_offset_get( $timezone_object, $datetime_object ) / 3600, 2 ); |
|---|
| 3450 | } |
|---|
| 3451 | |
|---|
| 3452 | /** |
|---|
| 3453 | * Check for PHP timezone support |
|---|
| 3454 | */ |
|---|
| 3455 | function wp_timezone_supported() { |
|---|
| 3456 | $support = false; |
|---|
| 3457 | if ( |
|---|
| 3458 | function_exists( 'date_default_timezone_set' ) && |
|---|
| 3459 | function_exists( 'timezone_identifiers_list' ) && |
|---|
| 3460 | function_exists( 'timezone_open' ) && |
|---|
| 3461 | function_exists( 'timezone_offset_get' ) |
|---|
| 3462 | ) { |
|---|
| 3463 | $support = true; |
|---|
| 3464 | } |
|---|
| 3465 | return apply_filters( 'timezone_support', $support ); |
|---|
| 3466 | } |
|---|
| 3467 | |
|---|
| 3468 | function _wp_timezone_choice_usort_callback( $a, $b ) { |
|---|
| 3469 | // Don't use translated versions of Etc |
|---|
| 3470 | if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) { |
|---|
| 3471 | // Make the order of these more like the old dropdown |
|---|
| 3472 | if ( 'GMT+' === substr( $a['city'], 0, 4 ) && 'GMT+' === substr( $b['city'], 0, 4 ) ) { |
|---|
| 3473 | return -1 * ( strnatcasecmp( $a['city'], $b['city'] ) ); |
|---|
| 3474 | } |
|---|
| 3475 | if ( 'UTC' === $a['city'] ) { |
|---|
| 3476 | if ( 'GMT+' === substr( $b['city'], 0, 4 ) ) { |
|---|
| 3477 | return 1; |
|---|
| 3478 | } |
|---|
| 3479 | return -1; |
|---|
| 3480 | } |
|---|
| 3481 | if ( 'UTC' === $b['city'] ) { |
|---|
| 3482 | if ( 'GMT+' === substr( $a['city'], 0, 4 ) ) { |
|---|
| 3483 | return -1; |
|---|
| 3484 | } |
|---|
| 3485 | return 1; |
|---|
| 3486 | } |
|---|
| 3487 | return strnatcasecmp( $a['city'], $b['city'] ); |
|---|
| 3488 | } |
|---|
| 3489 | if ( $a['t_continent'] == $b['t_continent'] ) { |
|---|
| 3490 | if ( $a['t_city'] == $b['t_city'] ) { |
|---|
| 3491 | return strnatcasecmp( $a['t_subcity'], $b['t_subcity'] ); |
|---|
| 3492 | } |
|---|
| 3493 | return strnatcasecmp( $a['t_city'], $b['t_city'] ); |
|---|
| 3494 | } else { |
|---|
| 3495 | // Force Etc to the bottom of the list |
|---|
| 3496 | if ( 'Etc' === $a['continent'] ) { |
|---|
| 3497 | return 1; |
|---|
| 3498 | } |
|---|
| 3499 | if ( 'Etc' === $b['continent'] ) { |
|---|
| 3500 | return -1; |
|---|
| 3501 | } |
|---|
| 3502 | return strnatcasecmp( $a['t_continent'], $b['t_continent'] ); |
|---|
| 3503 | } |
|---|
| 3504 | } |
|---|
| 3505 | |
|---|
| 3506 | /** |
|---|
| 3507 | * Gives a nicely formatted list of timezone strings // temporary! Not in final |
|---|
| 3508 | * |
|---|
| 3509 | * @param $selected_zone string Selected Zone |
|---|
| 3510 | * |
|---|
| 3511 | */ |
|---|
| 3512 | function wp_timezone_choice( $selected_zone ) { |
|---|
| 3513 | static $mo_loaded = false; |
|---|
| 3514 | |
|---|
| 3515 | $continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific', 'Etc' ); |
|---|
| 3516 | |
|---|
| 3517 | // Load translations for continents and cities |
|---|
| 3518 | if ( !$mo_loaded ) { |
|---|
| 3519 | $locale = get_locale(); |
|---|
| 3520 | $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo'; |
|---|
| 3521 | load_textdomain( 'continents-cities', $mofile ); |
|---|
| 3522 | $mo_loaded = true; |
|---|
| 3523 | } |
|---|
| 3524 | |
|---|
| 3525 | $zonen = array(); |
|---|
| 3526 | foreach ( timezone_identifiers_list() as $zone ) { |
|---|
| 3527 | $zone = explode( '/', $zone ); |
|---|
| 3528 | if ( !in_array( $zone[0], $continents ) ) { |
|---|
| 3529 | continue; |
|---|
| 3530 | } |
|---|
| 3531 | if ( 'Etc' === $zone[0] && in_array( $zone[1], array( 'UCT', 'GMT', 'GMT0', 'GMT+0', 'GMT-0', 'Greenwich', 'Universal', 'Zulu' ) ) ) { |
|---|
| 3532 | continue; |
|---|
| 3533 | } |
|---|
| 3534 | |
|---|
| 3535 | // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later |
|---|
| 3536 | $exists = array( |
|---|
| 3537 | 0 => ( isset( $zone[0] ) && $zone[0] ) ? true : false, |
|---|
| 3538 | 1 => ( isset( $zone[1] ) && $zone[1] ) ? true : false, |
|---|
| 3539 | 2 => ( isset( $zone[2] ) && $zone[2] ) ? true : false |
|---|
| 3540 | ); |
|---|
| 3541 | $exists[3] = ( $exists[0] && 'Etc' !== $zone[0] ) ? true : false; |
|---|
| 3542 | $exists[4] = ( $exists[1] && $exists[3] ) ? true : false; |
|---|
| 3543 | $exists[5] = ( $exists[2] && $exists[3] ) ? true : false; |
|---|
| 3544 | |
|---|
| 3545 | $zonen[] = array( |
|---|
| 3546 | 'continent' => ( $exists[0] ? $zone[0] : '' ), |
|---|
| 3547 | 'city' => ( $exists[1] ? $zone[1] : '' ), |
|---|
| 3548 | 'subcity' => ( $exists[2] ? $zone[2] : '' ), |
|---|
| 3549 | 't_continent' => ( $exists[3] ? translate( str_replace( '_', ' ', $zone[0] ), 'continents-cities' ) : '' ), |
|---|
| 3550 | 't_city' => ( $exists[4] ? translate( str_replace( '_', ' ', $zone[1] ), 'continents-cities' ) : '' ), |
|---|
| 3551 | 't_subcity' => ( $exists[5] ? translate( str_replace( '_', ' ', $zone[2] ), 'continents-cities' ) : '' ) |
|---|
| 3552 | ); |
|---|
| 3553 | } |
|---|
| 3554 | usort( $zonen, '_wp_timezone_choice_usort_callback' ); |
|---|
| 3555 | |
|---|
| 3556 | $structure = array(); |
|---|
| 3557 | |
|---|
| 3558 | if ( empty( $selected_zone ) ) { |
|---|
| 3559 | $structure[] = '<option selected="selected" value="">' . __( 'Select a city' ) . '</option>'; |
|---|
| 3560 | } |
|---|
| 3561 | |
|---|
| 3562 | foreach ( $zonen as $key => $zone ) { |
|---|
| 3563 | // Build value in an array to join later |
|---|
| 3564 | $value = array( $zone['continent'] ); |
|---|
| 3565 | |
|---|
| 3566 | if ( empty( $zone['city'] ) ) { |
|---|
| 3567 | // It's at the continent level (generally won't happen) |
|---|
| 3568 | $display = $zone['t_continent']; |
|---|
| 3569 | } else { |
|---|
| 3570 | // It's inside a continent group |
|---|
| 3571 | |
|---|
| 3572 | // Continent optgroup |
|---|
| 3573 | if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) { |
|---|
| 3574 | $label = ( 'Etc' === $zone['continent'] ) ? __( 'Manual offsets' ) : $zone['t_continent']; |
|---|
| 3575 | $structure[] = '<optgroup label="'. esc_attr( $label ) .'">'; |
|---|
| 3576 | } |
|---|
| 3577 | |
|---|
| 3578 | // Add the city to the value |
|---|
| 3579 | $value[] = $zone['city']; |
|---|
| 3580 | if ( 'Etc' === $zone['continent'] ) { |
|---|
| 3581 | if ( 'UTC' === $zone['city'] ) { |
|---|
| 3582 | $display = ''; |
|---|
| 3583 | } else { |
|---|
| 3584 | $display = str_replace( 'GMT', '', $zone['city'] ); |
|---|
| 3585 | $display = strtr( $display, '+-', '-+' ) . ':00'; |
|---|
| 3586 | } |
|---|
| 3587 | $display = sprintf( __( 'UTC %s' ), $display ); |
|---|
| 3588 | } else { |
|---|
| 3589 | $display = $zone['t_city']; |
|---|
| 3590 | if ( !empty( $zone['subcity'] ) ) { |
|---|
| 3591 | // Add the subcity to the value |
|---|
| 3592 | $value[] = $zone['subcity']; |
|---|
| 3593 | $display .= ' - ' . $zone['t_subcity']; |
|---|
| 3594 | } |
|---|
| 3595 | } |
|---|
| 3596 | } |
|---|
| 3597 | |
|---|
| 3598 | // Build the value |
|---|
| 3599 | $value = join( '/', $value ); |
|---|
| 3600 | $selected = ''; |
|---|
| 3601 | if ( $value === $selected_zone ) { |
|---|
| 3602 | $selected = 'selected="selected" '; |
|---|
| 3603 | } |
|---|
| 3604 | $structure[] = '<option ' . $selected . 'value="' . esc_attr( $value ) . '">' . esc_html( $display ) . "</option>"; |
|---|
| 3605 | |
|---|
| 3606 | // Close continent optgroup |
|---|
| 3607 | if ( !empty( $zone['city'] ) && ( !isset($zonen[$key + 1]) || (isset( $zonen[$key + 1] ) && $zonen[$key + 1]['continent'] !== $zone['continent']) ) ) { |
|---|
| 3608 | $structure[] = '</optgroup>'; |
|---|
| 3609 | } |
|---|
| 3610 | } |
|---|
| 3611 | |
|---|
| 3612 | return join( "\n", $structure ); |
|---|
| 3613 | } |
|---|
| 3614 | |
|---|
| 3615 | /** |
|---|
| 3616 | * Strip close comment and close php tags from file headers used by WP |
|---|
| 3617 | * See http://core.trac.wordpress.org/ticket/8497 |
|---|
| 3618 | * |
|---|
| 3619 | * @since 2.8 |
|---|
| 3620 | **/ |
|---|
| 3621 | function _cleanup_header_comment($str) { |
|---|
| 3622 | return trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $str)); |
|---|
| 3623 | } |
|---|
| 3624 | |
|---|
| 3625 | /** |
|---|
| 3626 | * Permanently deletes posts, pages, attachments, and comments which have been in the trash for EMPTY_TRASH_DAYS. |
|---|
| 3627 | * |
|---|
| 3628 | * @since 2.9.0 |
|---|
| 3629 | * |
|---|
| 3630 | * @return void |
|---|
| 3631 | */ |
|---|
| 3632 | function wp_scheduled_delete() { |
|---|
| 3633 | global $wpdb; |
|---|
| 3634 | |
|---|
| 3635 | $delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS); |
|---|
| 3636 | |
|---|
| 3637 | $posts_to_delete = $wpdb->get_results($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A); |
|---|
| 3638 | |
|---|
| 3639 | foreach ( (array) $posts_to_delete as $post ) { |
|---|
| 3640 | wp_delete_post($post['post_id']); |
|---|
| 3641 | } |
|---|
| 3642 | |
|---|
| 3643 | $comments_to_delete = $wpdb->get_results($wpdb->prepare("SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A); |
|---|
| 3644 | |
|---|
| 3645 | foreach ( (array) $comments_to_delete as $comment ) { |
|---|
| 3646 | wp_delete_comment($comment['comment_id']); |
|---|
| 3647 | } |
|---|
| 3648 | } |
|---|
| 3649 | |
|---|
| 3650 | /** |
|---|
| 3651 | * Parse the file contents to retrieve its metadata. |
|---|
| 3652 | * |
|---|
| 3653 | * Searches for metadata for a file, such as a plugin or theme. Each piece of |
|---|
| 3654 | * metadata must be on its own line. For a field spanning multple lines, it |
|---|
| 3655 | * must not have any newlines or only parts of it will be displayed. |
|---|
| 3656 | * |
|---|
| 3657 | * Some users have issues with opening large files and manipulating the contents |
|---|
| 3658 | * for want is usually the first 1kiB or 2kiB. This function stops pulling in |
|---|
| 3659 | * the file contents when it has all of the required data. |
|---|
| 3660 | * |
|---|
| 3661 | * The first 8kiB of the file will be pulled in and if the file data is not |
|---|
| 3662 | * within that first 8kiB, then the author should correct their plugin file |
|---|
| 3663 | * and move the data headers to the top. |
|---|
| 3664 | * |
|---|
| 3665 | * The file is assumed to have permissions to allow for scripts to read |
|---|
| 3666 | * the file. This is not checked however and the file is only opened for |
|---|
| 3667 | * reading. |
|---|
| 3668 | * |
|---|
| 3669 | * @since 2.9.0 |
|---|
| 3670 | * |
|---|
| 3671 | * @param string $file Path to the file |
|---|
| 3672 | * @param bool $markup If the returned data should have HTML markup applied |
|---|
| 3673 | * @param string $context If specified adds filter hook "extra_<$context>_headers" |
|---|
| 3674 | */ |
|---|
| 3675 | function get_file_data( $file, $default_headers, $context = '' ) { |
|---|
| 3676 | // We don't need to write to the file, so just open for reading. |
|---|
| 3677 | $fp = fopen( $file, 'r' ); |
|---|
| 3678 | |
|---|
| 3679 | // Pull only the first 8kiB of the file in. |
|---|
| 3680 | $file_data = fread( $fp, 8192 ); |
|---|
| 3681 | |
|---|
| 3682 | // PHP will close file handle, but we are good citizens. |
|---|
| 3683 | fclose( $fp ); |
|---|
| 3684 | |
|---|
| 3685 | if( $context != '' ) { |
|---|
| 3686 | $extra_headers = apply_filters( "extra_$context".'_headers', array() ); |
|---|
| 3687 | |
|---|
| 3688 | $extra_headers = array_flip( $extra_headers ); |
|---|
| 3689 | foreach( $extra_headers as $key=>$value ) { |
|---|
| 3690 | $extra_headers[$key] = $key; |
|---|
| 3691 | } |
|---|
| 3692 | $all_headers = array_merge($extra_headers, $default_headers); |
|---|
| 3693 | } else { |
|---|
| 3694 | $all_headers = $default_headers; |
|---|
| 3695 | } |
|---|
| 3696 | |
|---|
| 3697 | |
|---|
| 3698 | foreach ( $all_headers as $field => $regex ) { |
|---|
| 3699 | preg_match( '/' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, ${$field}); |
|---|
| 3700 | if ( !empty( ${$field} ) ) |
|---|
| 3701 | ${$field} = _cleanup_header_comment( ${$field}[1] ); |
|---|
| 3702 | else |
|---|
| 3703 | ${$field} = ''; |
|---|
| 3704 | } |
|---|
| 3705 | |
|---|
| 3706 | $file_data = compact( array_keys( $all_headers ) ); |
|---|
| 3707 | |
|---|
| 3708 | return $file_data; |
|---|
| 3709 | } |
|---|
| 3710 | /* |
|---|
| 3711 | * Used internally to tidy up the search terms |
|---|
| 3712 | * |
|---|
| 3713 | * @private |
|---|
| 3714 | * @since 2.9.0 |
|---|
| 3715 | */ |
|---|
| 3716 | function _search_terms_tidy($t) { |
|---|
| 3717 | return trim($t, "\"\'\n\r "); |
|---|
| 3718 | } |
|---|
| 3719 | ?> |
|---|