9 | | // Added in PHP 5.0 |
10 | | |
11 | | if (!function_exists('http_build_query')) { |
12 | | function http_build_query($data, $prefix=null, $sep=null) { |
13 | | return _http_build_query($data, $prefix, $sep); |
14 | | } |
15 | | } |
16 | | |
17 | | // from php.net (modified by Mark Jaquith to behave like the native PHP5 function) |
18 | | function _http_build_query($data, $prefix=null, $sep=null, $key='', $urlencode=true) { |
19 | | $ret = array(); |
20 | | |
21 | | foreach ( (array) $data as $k => $v ) { |
22 | | if ( $urlencode) |
23 | | $k = urlencode($k); |
24 | | if ( is_int($k) && $prefix != null ) |
25 | | $k = $prefix.$k; |
26 | | if ( !empty($key) ) |
27 | | $k = $key . '%5B' . $k . '%5D'; |
28 | | if ( $v === NULL ) |
29 | | continue; |
30 | | elseif ( $v === FALSE ) |
31 | | $v = '0'; |
32 | | |
33 | | if ( is_array($v) || is_object($v) ) |
34 | | array_push($ret,_http_build_query($v, '', $sep, $k, $urlencode)); |
35 | | elseif ( $urlencode ) |
36 | | array_push($ret, $k.'='.urlencode($v)); |
37 | | else |
38 | | array_push($ret, $k.'='.$v); |
39 | | } |
40 | | |
41 | | if ( NULL === $sep ) |
42 | | $sep = ini_get('arg_separator.output'); |
43 | | |
44 | | return implode($sep, $ret); |
45 | | } |
46 | | |
47 | | if ( !function_exists('_') ) { |
48 | | function _($string) { |
49 | | return $string; |
50 | | } |
51 | | } |
52 | | |
53 | | if (!function_exists('stripos')) { |
54 | | function stripos($haystack, $needle, $offset = 0) { |
55 | | return strpos(strtolower($haystack), strtolower($needle), $offset); |
56 | | } |
57 | | } |
58 | | |
59 | | if ( !function_exists('hash_hmac') ): |
60 | | function hash_hmac($algo, $data, $key, $raw_output = false) { |
61 | | return _hash_hmac($algo, $data, $key, $raw_output); |
62 | | } |
63 | | endif; |
64 | | |
65 | | function _hash_hmac($algo, $data, $key, $raw_output = false) { |
66 | | $packs = array('md5' => 'H32', 'sha1' => 'H40'); |
67 | | |
68 | | if ( !isset($packs[$algo]) ) |
69 | | return false; |
70 | | |
71 | | $pack = $packs[$algo]; |
72 | | |
73 | | if (strlen($key) > 64) |
74 | | $key = pack($pack, $algo($key)); |
75 | | |
76 | | $key = str_pad($key, 64, chr(0)); |
77 | | |
78 | | $ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64)); |
79 | | $opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64)); |
80 | | |
81 | | $hmac = $algo($opad . pack($pack, $algo($ipad . $data))); |
82 | | |
83 | | if ( $raw_output ) |
84 | | return pack( $pack, $hmac ); |
85 | | return $hmac; |
86 | | } |
87 | | |
88 | | if ( !function_exists('mb_substr') ): |
89 | | function mb_substr( $str, $start, $length=null, $encoding=null ) { |
90 | | return _mb_substr($str, $start, $length, $encoding); |
91 | | } |
92 | | endif; |
93 | | |
94 | | function _mb_substr( $str, $start, $length=null, $encoding=null ) { |
95 | | // the solution below, works only for utf-8, so in case of a different |
96 | | // charset, just use built-in substr |
97 | | $charset = get_option( 'blog_charset' ); |
98 | | if ( !in_array( $charset, array('utf8', 'utf-8', 'UTF8', 'UTF-8') ) ) { |
99 | | return is_null( $length )? substr( $str, $start ) : substr( $str, $start, $length); |
100 | | } |
101 | | // use the regex unicode support to separate the UTF-8 characters into an array |
102 | | preg_match_all( '/./us', $str, $match ); |
103 | | $chars = is_null( $length )? array_slice( $match[0], $start ) : array_slice( $match[0], $start, $length ); |
104 | | return implode( '', $chars ); |
105 | | } |
106 | | |
107 | | if ( !function_exists( 'htmlspecialchars_decode' ) ) { |
108 | | // Added in PHP 5.1.0 |
109 | | // Error checks from PEAR::PHP_Compat |
110 | | function htmlspecialchars_decode( $string, $quote_style = ENT_COMPAT ) |
111 | | { |
112 | | if ( !is_scalar( $string ) ) { |
113 | | trigger_error( 'htmlspecialchars_decode() expects parameter 1 to be string, ' . gettype( $string ) . ' given', E_USER_WARNING ); |
114 | | return; |
115 | | } |
116 | | |
117 | | if ( !is_int( $quote_style ) && $quote_style !== null ) { |
118 | | trigger_error( 'htmlspecialchars_decode() expects parameter 2 to be integer, ' . gettype( $quote_style ) . ' given', E_USER_WARNING ); |
119 | | return; |
120 | | } |
121 | | |
122 | | return wp_specialchars_decode( $string, $quote_style ); |
123 | | } |
124 | | } |
125 | | |
126 | | // For PHP < 5.2.0 |
127 | | if ( !function_exists('json_encode') ) { |
128 | | function json_encode( $string ) { |
129 | | global $wp_json; |
130 | | |
131 | | if ( !is_a($wp_json, 'Services_JSON') ) { |
132 | | require_once( ABSPATH . WPINC . '/class-json.php' ); |
133 | | $wp_json = new Services_JSON(); |
134 | | } |
135 | | |
136 | | return $wp_json->encodeUnsafe( $string ); |
137 | | } |
138 | | } |
139 | | |
140 | | if ( !function_exists('json_decode') ) { |
141 | | function json_decode( $string, $assoc_array = false ) { |
142 | | global $wp_json; |
143 | | |
144 | | if ( !is_a($wp_json, 'Services_JSON') ) { |
145 | | require_once( ABSPATH . WPINC . '/class-json.php' ); |
146 | | $wp_json = new Services_JSON(); |
147 | | } |
148 | | |
149 | | $res = $wp_json->decode( $string ); |
150 | | if ( $assoc_array ) |
151 | | $res = _json_decode_object_helper( $res ); |
152 | | return $res; |
153 | | } |
154 | | function _json_decode_object_helper($data) { |
155 | | if ( is_object($data) ) |
156 | | $data = get_object_vars($data); |
157 | | return is_array($data) ? array_map(__FUNCTION__, $data) : $data; |
158 | | } |
159 | | } |
160 | | |
161 | | // pathinfo that fills 'filename' without extension like in PHP 5.2+ |
162 | | function pathinfo52($path) { |
163 | | $parts = pathinfo($path); |
164 | | if ( !isset($parts['filename']) ) { |
165 | | $parts['filename'] = substr( $parts['basename'], 0, strrpos($parts['basename'], '.') ); |
166 | | if ( empty($parts['filename']) ) // there's no extension |
167 | | $parts['filename'] = $parts['basename']; |
168 | | } |
169 | | return $parts; |
170 | | } |