1 | <?php |
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2 | /** |
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3 | * WordPress Post Template Functions. |
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4 | * |
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5 | * Gets content for the current post in the loop. |
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6 | * |
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7 | * @package WordPress |
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8 | * @subpackage Template |
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9 | */ |
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10 | |
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11 | /** |
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12 | * Display the ID of the current item in the WordPress Loop. |
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13 | * |
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14 | * @since 0.71 |
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15 | */ |
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16 | function the_ID() { |
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17 | echo get_the_ID(); |
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18 | } |
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19 | |
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20 | /** |
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21 | * Retrieve the ID of the current item in the WordPress Loop. |
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22 | * |
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23 | * @since 2.1.0 |
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24 | * |
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25 | * @return int|false The ID of the current item in the WordPress Loop. False if $post is not set. |
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26 | */ |
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27 | function get_the_ID() { |
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28 | $post = get_post(); |
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29 | return ! empty( $post ) ? $post->ID : false; |
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30 | } |
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31 | |
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32 | /** |
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33 | * Display or retrieve the current post title with optional markup. |
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34 | * |
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35 | * @since 0.71 |
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36 | * |
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37 | * @param string $before Optional. Markup to prepend to the title. Default empty. |
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38 | * @param string $after Optional. Markup to append to the title. Default empty. |
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39 | * @param bool $echo Optional. Whether to echo or return the title. Default true for echo. |
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40 | * @return string|void Current post title if $echo is false. |
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41 | */ |
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42 | function the_title( $before = '', $after = '', $echo = true ) { |
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43 | $title = get_the_title(); |
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44 | |
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45 | if ( strlen($title) == 0 ) |
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46 | return; |
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47 | |
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48 | $title = $before . $title . $after; |
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49 | |
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50 | if ( $echo ) |
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51 | echo $title; |
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52 | else |
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53 | return $title; |
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54 | } |
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55 | |
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56 | /** |
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57 | * Sanitize the current title when retrieving or displaying. |
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58 | * |
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59 | * Works like the_title(), except the parameters can be in a string or |
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60 | * an array. See the function for what can be override in the $args parameter. |
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61 | * |
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62 | * The title before it is displayed will have the tags stripped and esc_attr() |
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63 | * before it is passed to the user or displayed. The default as with the_title(), |
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64 | * is to display the title. |
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65 | * |
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66 | * @since 2.3.0 |
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67 | * |
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68 | * @param string|array $args { |
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69 | * Title attribute arguments. Optional. |
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70 | * |
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71 | * @type string $before Markup to prepend to the title. Default empty. |
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72 | * @type string $after Markup to append to the title. Default empty. |
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73 | * @type bool $echo Whether to echo or return the title. Default true for echo. |
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74 | * @type WP_Post $post Current post object to retrieve the title for. |
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75 | * } |
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76 | * @return string|void String when echo is false. |
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77 | */ |
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78 | function the_title_attribute( $args = '' ) { |
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79 | $defaults = array( 'before' => '', 'after' => '', 'echo' => true, 'post' => get_post() ); |
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80 | $r = wp_parse_args( $args, $defaults ); |
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81 | |
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82 | $title = get_the_title( $r['post'] ); |
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83 | |
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84 | if ( strlen( $title ) == 0 ) { |
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85 | return; |
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86 | } |
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87 | |
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88 | $title = $r['before'] . $title . $r['after']; |
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89 | $title = esc_attr( strip_tags( $title ) ); |
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90 | |
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91 | if ( $r['echo'] ) { |
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92 | echo $title; |
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93 | } else { |
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94 | return $title; |
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95 | } |
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96 | } |
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97 | |
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98 | /** |
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99 | * Retrieve post title. |
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100 | * |
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101 | * If the post is protected and the visitor is not an admin, then "Protected" |
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102 | * will be displayed before the post title. If the post is private, then |
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103 | * "Private" will be located before the post title. |
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104 | * |
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105 | * @since 0.71 |
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106 | * |
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107 | * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. |
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108 | * @return string |
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109 | */ |
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110 | function get_the_title( $post = 0 ) { |
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111 | $post = get_post( $post ); |
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112 | |
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113 | $title = isset( $post->post_title ) ? $post->post_title : ''; |
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114 | $id = isset( $post->ID ) ? $post->ID : 0; |
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115 | |
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116 | if ( ! is_admin() ) { |
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117 | if ( ! empty( $post->post_password ) ) { |
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118 | |
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119 | /** |
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120 | * Filters the text prepended to the post title for protected posts. |
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121 | * |
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122 | * The filter is only applied on the front end. |
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123 | * |
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124 | * @since 2.8.0 |
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125 | * |
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126 | * @param string $prepend Text displayed before the post title. |
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127 | * Default 'Protected: %s'. |
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128 | * @param WP_Post $post Current post object. |
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129 | */ |
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130 | $protected_title_format = apply_filters( 'protected_title_format', __( 'Protected: %s' ), $post ); |
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131 | $title = sprintf( $protected_title_format, $title ); |
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132 | } elseif ( isset( $post->post_status ) && 'private' == $post->post_status ) { |
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133 | |
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134 | /** |
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135 | * Filters the text prepended to the post title of private posts. |
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136 | * |
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137 | * The filter is only applied on the front end. |
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138 | * |
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139 | * @since 2.8.0 |
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140 | * |
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141 | * @param string $prepend Text displayed before the post title. |
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142 | * Default 'Private: %s'. |
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143 | * @param WP_Post $post Current post object. |
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144 | */ |
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145 | $private_title_format = apply_filters( 'private_title_format', __( 'Private: %s' ), $post ); |
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146 | $title = sprintf( $private_title_format, $title ); |
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147 | } |
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148 | } |
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149 | |
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150 | /** |
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151 | * Filters the post title. |
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152 | * |
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153 | * @since 0.71 |
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154 | * |
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155 | * @param string $title The post title. |
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156 | * @param int $id The post ID. |
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157 | */ |
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158 | return apply_filters( 'the_title', $title, $id ); |
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159 | } |
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160 | |
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161 | /** |
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162 | * Display the Post Global Unique Identifier (guid). |
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163 | * |
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164 | * The guid will appear to be a link, but should not be used as a link to the |
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165 | * post. The reason you should not use it as a link, is because of moving the |
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166 | * blog across domains. |
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167 | * |
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168 | * URL is escaped to make it XML-safe. |
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169 | * |
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170 | * @since 1.5.0 |
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171 | * |
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172 | * @param int|WP_Post $post Optional. Post ID or post object. Default is global $post. |
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173 | */ |
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174 | function the_guid( $post = 0 ) { |
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175 | $post = get_post( $post ); |
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176 | |
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177 | $guid = isset( $post->guid ) ? get_the_guid( $post ) : ''; |
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178 | $id = isset( $post->ID ) ? $post->ID : 0; |
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179 | |
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180 | /** |
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181 | * Filters the escaped Global Unique Identifier (guid) of the post. |
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182 | * |
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183 | * @since 4.2.0 |
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184 | * |
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185 | * @see get_the_guid() |
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186 | * |
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187 | * @param string $guid Escaped Global Unique Identifier (guid) of the post. |
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188 | * @param int $id The post ID. |
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189 | */ |
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190 | echo apply_filters( 'the_guid', $guid, $id ); |
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191 | } |
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192 | |
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193 | /** |
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194 | * Retrieve the Post Global Unique Identifier (guid). |
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195 | * |
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196 | * The guid will appear to be a link, but should not be used as an link to the |
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197 | * post. The reason you should not use it as a link, is because of moving the |
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198 | * blog across domains. |
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199 | * |
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200 | * @since 1.5.0 |
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201 | * |
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202 | * @param int|WP_Post $post Optional. Post ID or post object. Default is global $post. |
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203 | * @return string |
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204 | */ |
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205 | function get_the_guid( $post = 0 ) { |
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206 | $post = get_post( $post ); |
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207 | |
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208 | $guid = isset( $post->guid ) ? $post->guid : ''; |
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209 | $id = isset( $post->ID ) ? $post->ID : 0; |
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210 | |
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211 | /** |
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212 | * Filters the Global Unique Identifier (guid) of the post. |
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213 | * |
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214 | * @since 1.5.0 |
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215 | * |
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216 | * @param string $guid Global Unique Identifier (guid) of the post. |
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217 | * @param int $id The post ID. |
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218 | */ |
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219 | return apply_filters( 'get_the_guid', $guid, $id ); |
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220 | } |
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221 | |
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222 | /** |
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223 | * Display the post content. |
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224 | * |
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225 | * @since 0.71 |
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226 | * |
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227 | * @param string $more_link_text Optional. Content for when there is more text. |
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228 | * @param bool $strip_teaser Optional. Strip teaser content before the more text. Default is false. |
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229 | */ |
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230 | function the_content( $more_link_text = null, $strip_teaser = false) { |
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231 | $content = get_the_content( $more_link_text, $strip_teaser ); |
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232 | |
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233 | /** |
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234 | * Filters the post content. |
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235 | * |
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236 | * @since 0.71 |
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237 | * |
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238 | * @param string $content Content of the current post. |
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239 | */ |
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240 | $content = apply_filters( 'the_content', $content ); |
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241 | $content = str_replace( ']]>', ']]>', $content ); |
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242 | echo $content; |
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243 | } |
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244 | |
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245 | /** |
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246 | * Retrieve the post content. |
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247 | * |
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248 | * @since 0.71 |
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249 | * |
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250 | * @global int $page Page number of a single post/page. |
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251 | * @global int $more Boolean indicator for whether single post/page is being viewed. |
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252 | * @global bool $preview Whether post/page is in preview mode. |
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253 | * @global array $pages Array of all pages in post/page. Each array element contains part of the content separated by the <!--nextpage--> tag. |
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254 | * @global int $multipage Boolean indicator for whether multiple pages are in play. |
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255 | * |
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256 | * @param string $more_link_text Optional. Content for when there is more text. |
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257 | * @param bool $strip_teaser Optional. Strip teaser content before the more text. Default is false. |
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258 | * @return string |
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259 | */ |
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260 | function get_the_content( $more_link_text = null, $strip_teaser = false ) { |
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261 | global $page, $more, $preview, $pages, $multipage; |
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262 | |
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263 | $post = get_post(); |
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264 | |
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265 | if ( null === $more_link_text ) { |
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266 | $more_link_text = sprintf( |
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267 | '<span aria-label="%1$s">%2$s</span>', |
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268 | sprintf( |
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269 | /* translators: %s: Name of current post */ |
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270 | __( 'Continue reading %s' ), |
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271 | the_title_attribute( array( 'echo' => false ) ) |
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272 | ), |
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273 | __( '(more…)' ) |
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274 | ); |
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275 | } |
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276 | |
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277 | $output = ''; |
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278 | $has_teaser = false; |
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279 | |
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280 | // If post password required and it doesn't match the cookie. |
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281 | if ( post_password_required( $post ) ) |
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282 | return get_the_password_form( $post ); |
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283 | |
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284 | if ( $page > count( $pages ) ) // if the requested page doesn't exist |
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285 | $page = count( $pages ); // give them the highest numbered page that DOES exist |
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286 | |
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287 | $content = $pages[$page - 1]; |
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288 | if ( preg_match( '/<!--more(.*?)?-->/', $content, $matches ) ) { |
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289 | $content = explode( $matches[0], $content, 2 ); |
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290 | if ( ! empty( $matches[1] ) && ! empty( $more_link_text ) ) |
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291 | $more_link_text = strip_tags( wp_kses_no_null( trim( $matches[1] ) ) ); |
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292 | |
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293 | $has_teaser = true; |
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294 | } else { |
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295 | $content = array( $content ); |
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296 | } |
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297 | |
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298 | if ( false !== strpos( $post->post_content, '<!--noteaser-->' ) && ( ! $multipage || $page == 1 ) ) |
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299 | $strip_teaser = true; |
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300 | |
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301 | $teaser = $content[0]; |
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302 | |
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303 | if ( $more && $strip_teaser && $has_teaser ) |
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304 | $teaser = ''; |
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305 | |
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306 | $output .= $teaser; |
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307 | |
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308 | if ( count( $content ) > 1 ) { |
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309 | if ( $more ) { |
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310 | $output .= '<span id="more-' . $post->ID . '"></span>' . $content[1]; |
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311 | } else { |
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312 | if ( ! empty( $more_link_text ) ) |
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313 | |
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314 | /** |
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315 | * Filters the Read More link text. |
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316 | * |
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317 | * @since 2.8.0 |
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318 | * |
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319 | * @param string $more_link_element Read More link element. |
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320 | * @param string $more_link_text Read More text. |
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321 | */ |
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322 | $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-{$post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text ); |
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323 | $output = force_balance_tags( $output ); |
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324 | } |
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325 | } |
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326 | |
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327 | if ( $preview ) // Preview fix for JavaScript bug with foreign languages. |
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328 | $output = preg_replace_callback( '/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output ); |
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329 | |
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330 | return $output; |
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331 | } |
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332 | |
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333 | /** |
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334 | * Preview fix for JavaScript bug with foreign languages. |
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335 | * |
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336 | * @since 3.1.0 |
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337 | * @access private |
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338 | * |
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339 | * @param array $match Match array from preg_replace_callback. |
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340 | * @return string |
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341 | */ |
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342 | function _convert_urlencoded_to_entities( $match ) { |
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343 | return '&#' . base_convert( $match[1], 16, 10 ) . ';'; |
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344 | } |
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345 | |
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346 | /** |
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347 | * Display the post excerpt. |
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348 | * |
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349 | * @since 0.71 |
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350 | */ |
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351 | function the_excerpt() { |
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352 | |
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353 | /** |
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354 | * Filters the displayed post excerpt. |
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355 | * |
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356 | * @since 0.71 |
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357 | * |
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358 | * @see get_the_excerpt() |
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359 | * |
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360 | * @param string $post_excerpt The post excerpt. |
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361 | */ |
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362 | echo apply_filters( 'the_excerpt', get_the_excerpt() ); |
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363 | } |
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364 | |
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365 | /** |
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366 | * Retrieves the post excerpt. |
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367 | * |
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368 | * @since 0.71 |
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369 | * @since 4.5.0 Introduced the `$post` parameter. |
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370 | * |
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371 | * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. |
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372 | * @return string Post excerpt. |
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373 | */ |
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374 | function get_the_excerpt( $post = null ) { |
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375 | if ( is_bool( $post ) ) { |
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376 | _deprecated_argument( __FUNCTION__, '2.3.0' ); |
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377 | } |
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378 | |
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379 | $post = get_post( $post ); |
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380 | if ( empty( $post ) ) { |
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381 | return ''; |
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382 | } |
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383 | |
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384 | if ( post_password_required( $post ) ) { |
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385 | return __( 'There is no excerpt because this is a protected post.' ); |
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386 | } |
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387 | |
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388 | /** |
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389 | * Filters the retrieved post excerpt. |
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390 | * |
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391 | * @since 1.2.0 |
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392 | * @since 4.5.0 Introduced the `$post` parameter. |
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393 | * |
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394 | * @param string $post_excerpt The post excerpt. |
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395 | * @param WP_Post $post Post object. |
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396 | */ |
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397 | return apply_filters( 'get_the_excerpt', $post->post_excerpt, $post ); |
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398 | } |
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399 | |
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400 | /** |
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401 | * Whether the post has a custom excerpt. |
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402 | * |
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403 | * @since 2.3.0 |
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404 | * |
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405 | * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. |
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406 | * @return bool True if the post has a custom excerpt, false otherwise. |
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407 | */ |
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408 | function has_excerpt( $post = 0 ) { |
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409 | $post = get_post( $post ); |
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410 | return ( !empty( $post->post_excerpt ) ); |
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411 | } |
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412 | |
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413 | /** |
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414 | * Display the classes for the post div. |
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415 | * |
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416 | * @since 2.7.0 |
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417 | * |
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418 | * @param string|array $class One or more classes to add to the class list. |
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419 | * @param int|WP_Post $post_id Optional. Post ID or post object. Defaults to the global `$post`. |
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420 | */ |
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421 | function post_class( $class = '', $post_id = null ) { |
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422 | // Separates classes with a single space, collates classes for post DIV |
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423 | echo 'class="' . join( ' ', get_post_class( $class, $post_id ) ) . '"'; |
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424 | } |
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425 | |
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426 | /** |
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427 | * Retrieves the classes for the post div as an array. |
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428 | * |
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429 | * The class names are many. If the post is a sticky, then the 'sticky' |
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430 | * class name. The class 'hentry' is always added to each post. If the post has a |
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431 | * post thumbnail, 'has-post-thumbnail' is added as a class. For each taxonomy that |
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432 | * the post belongs to, a class will be added of the format '{$taxonomy}-{$slug}' - |
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433 | * eg 'category-foo' or 'my_custom_taxonomy-bar'. |
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434 | * |
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435 | * The 'post_tag' taxonomy is a special |
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436 | * case; the class has the 'tag-' prefix instead of 'post_tag-'. All classes are |
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437 | * passed through the filter, {@see 'post_class'}, with the list of classes, followed by |
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438 | * $class parameter value, with the post ID as the last parameter. |
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439 | * |
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440 | * @since 2.7.0 |
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441 | * @since 4.2.0 Custom taxonomy classes were added. |
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442 | * |
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443 | * @param string|array $class One or more classes to add to the class list. |
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444 | * @param int|WP_Post $post_id Optional. Post ID or post object. |
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445 | * @return array Array of classes. |
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446 | */ |
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447 | function get_post_class( $class = '', $post_id = null ) { |
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448 | $post = get_post( $post_id ); |
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449 | |
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450 | $classes = array(); |
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451 | |
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452 | if ( $class ) { |
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453 | if ( ! is_array( $class ) ) { |
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454 | $class = preg_split( '#\s+#', $class ); |
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455 | } |
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456 | $classes = array_map( 'esc_attr', $class ); |
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457 | } else { |
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458 | // Ensure that we always coerce class to being an array. |
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459 | $class = array(); |
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460 | } |
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461 | |
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462 | if ( ! $post ) { |
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463 | return $classes; |
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464 | } |
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465 | |
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466 | $classes[] = 'post-' . $post->ID; |
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467 | if ( ! is_admin() ) |
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468 | $classes[] = $post->post_type; |
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469 | $classes[] = 'type-' . $post->post_type; |
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470 | $classes[] = 'status-' . $post->post_status; |
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471 | |
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472 | // Post Format |
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473 | if ( post_type_supports( $post->post_type, 'post-formats' ) ) { |
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474 | $post_format = get_post_format( $post->ID ); |
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475 | |
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476 | if ( $post_format && !is_wp_error($post_format) ) |
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477 | $classes[] = 'format-' . sanitize_html_class( $post_format ); |
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478 | else |
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479 | $classes[] = 'format-standard'; |
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480 | } |
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481 | |
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482 | $post_password_required = post_password_required( $post->ID ); |
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483 | |
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484 | // Post requires password. |
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485 | if ( $post_password_required ) { |
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486 | $classes[] = 'post-password-required'; |
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487 | } elseif ( ! empty( $post->post_password ) ) { |
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488 | $classes[] = 'post-password-protected'; |
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489 | } |
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490 | |
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491 | // Post thumbnails. |
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492 | if ( current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $post->ID ) && ! is_attachment( $post ) && ! $post_password_required ) { |
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493 | $classes[] = 'has-post-thumbnail'; |
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494 | } |
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495 | |
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496 | // sticky for Sticky Posts |
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497 | if ( is_sticky( $post->ID ) ) { |
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498 | if ( is_home() && ! is_paged() ) { |
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499 | $classes[] = 'sticky'; |
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500 | } elseif ( is_admin() ) { |
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501 | $classes[] = 'status-sticky'; |
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502 | } |
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503 | } |
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504 | |
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505 | // hentry for hAtom compliance |
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506 | $classes[] = 'hentry'; |
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507 | |
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508 | // All public taxonomies |
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509 | $taxonomies = get_taxonomies( array( 'public' => true ) ); |
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510 | foreach ( (array) $taxonomies as $taxonomy ) { |
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511 | if ( is_object_in_taxonomy( $post->post_type, $taxonomy ) ) { |
---|
512 | foreach ( (array) get_the_terms( $post->ID, $taxonomy ) as $term ) { |
---|
513 | if ( empty( $term->slug ) ) { |
---|
514 | continue; |
---|
515 | } |
---|
516 | |
---|
517 | $term_class = sanitize_html_class( $term->slug, $term->term_id ); |
---|
518 | if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) { |
---|
519 | $term_class = $term->term_id; |
---|
520 | } |
---|
521 | |
---|
522 | // 'post_tag' uses the 'tag' prefix for backward compatibility. |
---|
523 | if ( 'post_tag' == $taxonomy ) { |
---|
524 | $classes[] = 'tag-' . $term_class; |
---|
525 | } else { |
---|
526 | $classes[] = sanitize_html_class( $taxonomy . '-' . $term_class, $taxonomy . '-' . $term->term_id ); |
---|
527 | } |
---|
528 | } |
---|
529 | } |
---|
530 | } |
---|
531 | |
---|
532 | $classes = array_map( 'esc_attr', $classes ); |
---|
533 | |
---|
534 | /** |
---|
535 | * Filters the list of CSS classes for the current post. |
---|
536 | * |
---|
537 | * @since 2.7.0 |
---|
538 | * |
---|
539 | * @param array $classes An array of post classes. |
---|
540 | * @param array $class An array of additional classes added to the post. |
---|
541 | * @param int $post_id The post ID. |
---|
542 | */ |
---|
543 | $classes = apply_filters( 'post_class', $classes, $class, $post->ID ); |
---|
544 | |
---|
545 | return array_unique( $classes ); |
---|
546 | } |
---|
547 | |
---|
548 | /** |
---|
549 | * Display the classes for the body element. |
---|
550 | * |
---|
551 | * @since 2.8.0 |
---|
552 | * |
---|
553 | * @param string|array $class One or more classes to add to the class list. |
---|
554 | */ |
---|
555 | function body_class( $class = '' ) { |
---|
556 | // Separates classes with a single space, collates classes for body element |
---|
557 | echo 'class="' . join( ' ', get_body_class( $class ) ) . '"'; |
---|
558 | } |
---|
559 | |
---|
560 | /** |
---|
561 | * Retrieve the classes for the body element as an array. |
---|
562 | * |
---|
563 | * @since 2.8.0 |
---|
564 | * |
---|
565 | * @global WP_Query $wp_query |
---|
566 | * |
---|
567 | * @param string|array $class One or more classes to add to the class list. |
---|
568 | * @return array Array of classes. |
---|
569 | */ |
---|
570 | function get_body_class( $class = '' ) { |
---|
571 | global $wp_query; |
---|
572 | |
---|
573 | $classes = array(); |
---|
574 | |
---|
575 | if ( is_rtl() ) |
---|
576 | $classes[] = 'rtl'; |
---|
577 | |
---|
578 | if ( is_front_page() ) |
---|
579 | $classes[] = 'home'; |
---|
580 | if ( is_home() ) |
---|
581 | $classes[] = 'blog'; |
---|
582 | if ( is_archive() ) |
---|
583 | $classes[] = 'archive'; |
---|
584 | if ( is_date() ) |
---|
585 | $classes[] = 'date'; |
---|
586 | if ( is_search() ) { |
---|
587 | $classes[] = 'search'; |
---|
588 | $classes[] = $wp_query->posts ? 'search-results' : 'search-no-results'; |
---|
589 | } |
---|
590 | if ( is_paged() ) |
---|
591 | $classes[] = 'paged'; |
---|
592 | if ( is_attachment() ) |
---|
593 | $classes[] = 'attachment'; |
---|
594 | if ( is_404() ) |
---|
595 | $classes[] = 'error404'; |
---|
596 | |
---|
597 | if ( is_singular() ) { |
---|
598 | $post_id = $wp_query->get_queried_object_id(); |
---|
599 | $post = $wp_query->get_queried_object(); |
---|
600 | $post_type = $post->post_type; |
---|
601 | |
---|
602 | if ( is_page_template() ) { |
---|
603 | $classes[] = "{$post_type}-template"; |
---|
604 | |
---|
605 | $template_slug = get_page_template_slug( $post_id ); |
---|
606 | $template_parts = explode( '/', $template_slug ); |
---|
607 | |
---|
608 | foreach ( $template_parts as $part ) { |
---|
609 | $classes[] = "{$post_type}-template-" . sanitize_html_class( str_replace( array( '.', '/' ), '-', basename( $part, '.php' ) ) ); |
---|
610 | } |
---|
611 | $classes[] = "{$post_type}-template-" . sanitize_html_class( str_replace( '.', '-', $template_slug ) ); |
---|
612 | } else { |
---|
613 | $classes[] = "{$post_type}-template-default"; |
---|
614 | } |
---|
615 | |
---|
616 | if ( is_single() ) { |
---|
617 | $classes[] = 'single'; |
---|
618 | if ( isset( $post->post_type ) ) { |
---|
619 | $classes[] = 'single-' . sanitize_html_class( $post->post_type, $post_id ); |
---|
620 | $classes[] = 'postid-' . $post_id; |
---|
621 | |
---|
622 | // Post Format |
---|
623 | if ( post_type_supports( $post->post_type, 'post-formats' ) ) { |
---|
624 | $post_format = get_post_format( $post->ID ); |
---|
625 | |
---|
626 | if ( $post_format && !is_wp_error($post_format) ) |
---|
627 | $classes[] = 'single-format-' . sanitize_html_class( $post_format ); |
---|
628 | else |
---|
629 | $classes[] = 'single-format-standard'; |
---|
630 | } |
---|
631 | } |
---|
632 | } |
---|
633 | |
---|
634 | if ( is_attachment() ) { |
---|
635 | $mime_type = get_post_mime_type($post_id); |
---|
636 | $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' ); |
---|
637 | $classes[] = 'attachmentid-' . $post_id; |
---|
638 | $classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type ); |
---|
639 | } elseif ( is_page() ) { |
---|
640 | $classes[] = 'page'; |
---|
641 | |
---|
642 | $page_id = $wp_query->get_queried_object_id(); |
---|
643 | |
---|
644 | $post = get_post($page_id); |
---|
645 | |
---|
646 | $classes[] = 'page-id-' . $page_id; |
---|
647 | |
---|
648 | if ( get_pages( array( 'parent' => $page_id, 'number' => 1 ) ) ) { |
---|
649 | $classes[] = 'page-parent'; |
---|
650 | } |
---|
651 | |
---|
652 | if ( $post->post_parent ) { |
---|
653 | $classes[] = 'page-child'; |
---|
654 | $classes[] = 'parent-pageid-' . $post->post_parent; |
---|
655 | } |
---|
656 | } |
---|
657 | } elseif ( is_archive() ) { |
---|
658 | if ( is_post_type_archive() ) { |
---|
659 | $classes[] = 'post-type-archive'; |
---|
660 | $post_type = get_query_var( 'post_type' ); |
---|
661 | if ( is_array( $post_type ) ) |
---|
662 | $post_type = reset( $post_type ); |
---|
663 | $classes[] = 'post-type-archive-' . sanitize_html_class( $post_type ); |
---|
664 | } elseif ( is_author() ) { |
---|
665 | $author = $wp_query->get_queried_object(); |
---|
666 | $classes[] = 'author'; |
---|
667 | if ( isset( $author->user_nicename ) ) { |
---|
668 | $classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID ); |
---|
669 | $classes[] = 'author-' . $author->ID; |
---|
670 | } |
---|
671 | } elseif ( is_category() ) { |
---|
672 | $cat = $wp_query->get_queried_object(); |
---|
673 | $classes[] = 'category'; |
---|
674 | if ( isset( $cat->term_id ) ) { |
---|
675 | $cat_class = sanitize_html_class( $cat->slug, $cat->term_id ); |
---|
676 | if ( is_numeric( $cat_class ) || ! trim( $cat_class, '-' ) ) { |
---|
677 | $cat_class = $cat->term_id; |
---|
678 | } |
---|
679 | |
---|
680 | $classes[] = 'category-' . $cat_class; |
---|
681 | $classes[] = 'category-' . $cat->term_id; |
---|
682 | } |
---|
683 | } elseif ( is_tag() ) { |
---|
684 | $tag = $wp_query->get_queried_object(); |
---|
685 | $classes[] = 'tag'; |
---|
686 | if ( isset( $tag->term_id ) ) { |
---|
687 | $tag_class = sanitize_html_class( $tag->slug, $tag->term_id ); |
---|
688 | if ( is_numeric( $tag_class ) || ! trim( $tag_class, '-' ) ) { |
---|
689 | $tag_class = $tag->term_id; |
---|
690 | } |
---|
691 | |
---|
692 | $classes[] = 'tag-' . $tag_class; |
---|
693 | $classes[] = 'tag-' . $tag->term_id; |
---|
694 | } |
---|
695 | } elseif ( is_tax() ) { |
---|
696 | $term = $wp_query->get_queried_object(); |
---|
697 | if ( isset( $term->term_id ) ) { |
---|
698 | $term_class = sanitize_html_class( $term->slug, $term->term_id ); |
---|
699 | if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) { |
---|
700 | $term_class = $term->term_id; |
---|
701 | } |
---|
702 | |
---|
703 | $classes[] = 'tax-' . sanitize_html_class( $term->taxonomy ); |
---|
704 | $classes[] = 'term-' . $term_class; |
---|
705 | $classes[] = 'term-' . $term->term_id; |
---|
706 | } |
---|
707 | } |
---|
708 | } |
---|
709 | |
---|
710 | if ( is_user_logged_in() ) |
---|
711 | $classes[] = 'logged-in'; |
---|
712 | |
---|
713 | if ( is_admin_bar_showing() ) { |
---|
714 | $classes[] = 'admin-bar'; |
---|
715 | $classes[] = 'no-customize-support'; |
---|
716 | } |
---|
717 | |
---|
718 | if ( get_background_color() !== get_theme_support( 'custom-background', 'default-color' ) || get_background_image() ) |
---|
719 | $classes[] = 'custom-background'; |
---|
720 | |
---|
721 | if ( has_custom_logo() ) { |
---|
722 | $classes[] = 'wp-custom-logo'; |
---|
723 | } |
---|
724 | |
---|
725 | $page = $wp_query->get( 'page' ); |
---|
726 | |
---|
727 | if ( ! $page || $page < 2 ) |
---|
728 | $page = $wp_query->get( 'paged' ); |
---|
729 | |
---|
730 | if ( $page && $page > 1 && ! is_404() ) { |
---|
731 | $classes[] = 'paged-' . $page; |
---|
732 | |
---|
733 | if ( is_single() ) |
---|
734 | $classes[] = 'single-paged-' . $page; |
---|
735 | elseif ( is_page() ) |
---|
736 | $classes[] = 'page-paged-' . $page; |
---|
737 | elseif ( is_category() ) |
---|
738 | $classes[] = 'category-paged-' . $page; |
---|
739 | elseif ( is_tag() ) |
---|
740 | $classes[] = 'tag-paged-' . $page; |
---|
741 | elseif ( is_date() ) |
---|
742 | $classes[] = 'date-paged-' . $page; |
---|
743 | elseif ( is_author() ) |
---|
744 | $classes[] = 'author-paged-' . $page; |
---|
745 | elseif ( is_search() ) |
---|
746 | $classes[] = 'search-paged-' . $page; |
---|
747 | elseif ( is_post_type_archive() ) |
---|
748 | $classes[] = 'post-type-paged-' . $page; |
---|
749 | } |
---|
750 | |
---|
751 | if ( ! empty( $class ) ) { |
---|
752 | if ( !is_array( $class ) ) |
---|
753 | $class = preg_split( '#\s+#', $class ); |
---|
754 | $classes = array_merge( $classes, $class ); |
---|
755 | } else { |
---|
756 | // Ensure that we always coerce class to being an array. |
---|
757 | $class = array(); |
---|
758 | } |
---|
759 | |
---|
760 | $classes = array_map( 'esc_attr', $classes ); |
---|
761 | |
---|
762 | /** |
---|
763 | * Filters the list of CSS body classes for the current post or page. |
---|
764 | * |
---|
765 | * @since 2.8.0 |
---|
766 | * |
---|
767 | * @param array $classes An array of body classes. |
---|
768 | * @param array $class An array of additional classes added to the body. |
---|
769 | */ |
---|
770 | $classes = apply_filters( 'body_class', $classes, $class ); |
---|
771 | |
---|
772 | return array_unique( $classes ); |
---|
773 | } |
---|
774 | |
---|
775 | /** |
---|
776 | * Whether post requires password and correct password has been provided. |
---|
777 | * |
---|
778 | * @since 2.7.0 |
---|
779 | * |
---|
780 | * @param int|WP_Post|null $post An optional post. Global $post used if not provided. |
---|
781 | * @return bool false if a password is not required or the correct password cookie is present, true otherwise. |
---|
782 | */ |
---|
783 | function post_password_required( $post = null ) { |
---|
784 | $post = get_post($post); |
---|
785 | |
---|
786 | if ( empty( $post->post_password ) ) { |
---|
787 | /** This filter is documented in wp-includes/post-template.php */ |
---|
788 | return apply_filters( 'post_password_required', false, $post ); |
---|
789 | } |
---|
790 | |
---|
791 | if ( ! isset( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] ) ) { |
---|
792 | /** This filter is documented in wp-includes/post-template.php */ |
---|
793 | return apply_filters( 'post_password_required', true, $post ); |
---|
794 | } |
---|
795 | |
---|
796 | require_once ABSPATH . WPINC . '/class-phpass.php'; |
---|
797 | $hasher = new PasswordHash( 8, true ); |
---|
798 | |
---|
799 | $hash = wp_unslash( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] ); |
---|
800 | if ( 0 !== strpos( $hash, '$P$B' ) ) { |
---|
801 | $required = true; |
---|
802 | } else { |
---|
803 | $required = ! $hasher->CheckPassword( $post->post_password, $hash ); |
---|
804 | } |
---|
805 | |
---|
806 | /** |
---|
807 | * Filters whether a post requires the user to supply a password. |
---|
808 | * |
---|
809 | * @since 4.7.0 |
---|
810 | * |
---|
811 | * @param bool $required Whether the user needs to supply a password. True if password has not been |
---|
812 | * provided or is incorrect, false if password has been supplied or is not required. |
---|
813 | * @param WP_Post $post Post data. |
---|
814 | */ |
---|
815 | return apply_filters( 'post_password_required', $required, $post ); |
---|
816 | } |
---|
817 | |
---|
818 | // |
---|
819 | // Page Template Functions for usage in Themes |
---|
820 | // |
---|
821 | |
---|
822 | /** |
---|
823 | * The formatted output of a list of pages. |
---|
824 | * |
---|
825 | * Displays page links for paginated posts (i.e. includes the <!--nextpage-->. |
---|
826 | * Quicktag one or more times). This tag must be within The Loop. |
---|
827 | * |
---|
828 | * @since 1.2.0 |
---|
829 | * |
---|
830 | * @global int $page |
---|
831 | * @global int $numpages |
---|
832 | * @global int $multipage |
---|
833 | * @global int $more |
---|
834 | * |
---|
835 | * @param string|array $args { |
---|
836 | * Optional. Array or string of default arguments. |
---|
837 | * |
---|
838 | * @type string $before HTML or text to prepend to each link. Default is `<p> Pages:`. |
---|
839 | * @type string $after HTML or text to append to each link. Default is `</p>`. |
---|
840 | * @type string $link_before HTML or text to prepend to each link, inside the `<a>` tag. |
---|
841 | * Also prepended to the current item, which is not linked. Default empty. |
---|
842 | * @type string $link_after HTML or text to append to each Pages link inside the `<a>` tag. |
---|
843 | * Also appended to the current item, which is not linked. Default empty. |
---|
844 | * @type string $next_or_number Indicates whether page numbers should be used. Valid values are number |
---|
845 | * and next. Default is 'number'. |
---|
846 | * @type string $separator Text between pagination links. Default is ' '. |
---|
847 | * @type string $nextpagelink Link text for the next page link, if available. Default is 'Next Page'. |
---|
848 | * @type string $previouspagelink Link text for the previous page link, if available. Default is 'Previous Page'. |
---|
849 | * @type string $pagelink Format string for page numbers. The % in the parameter string will be |
---|
850 | * replaced with the page number, so 'Page %' generates "Page 1", "Page 2", etc. |
---|
851 | * Defaults to '%', just the page number. |
---|
852 | * @type int|bool $echo Whether to echo or not. Accepts 1|true or 0|false. Default 1|true. |
---|
853 | * } |
---|
854 | * @return string Formatted output in HTML. |
---|
855 | */ |
---|
856 | function wp_link_pages( $args = '' ) { |
---|
857 | global $page, $numpages, $multipage, $more; |
---|
858 | |
---|
859 | $defaults = array( |
---|
860 | 'before' => '<p>' . __( 'Pages:' ), |
---|
861 | 'after' => '</p>', |
---|
862 | 'link_before' => '', |
---|
863 | 'link_after' => '', |
---|
864 | 'next_or_number' => 'number', |
---|
865 | 'separator' => ' ', |
---|
866 | 'nextpagelink' => __( 'Next page' ), |
---|
867 | 'previouspagelink' => __( 'Previous page' ), |
---|
868 | 'pagelink' => '%', |
---|
869 | 'echo' => 1 |
---|
870 | ); |
---|
871 | |
---|
872 | $params = wp_parse_args( $args, $defaults ); |
---|
873 | |
---|
874 | /** |
---|
875 | * Filters the arguments used in retrieving page links for paginated posts. |
---|
876 | * |
---|
877 | * @since 3.0.0 |
---|
878 | * |
---|
879 | * @param array $params An array of arguments for page links for paginated posts. |
---|
880 | */ |
---|
881 | $r = apply_filters( 'wp_link_pages_args', $params ); |
---|
882 | |
---|
883 | $output = ''; |
---|
884 | if ( $multipage ) { |
---|
885 | if ( 'number' == $r['next_or_number'] ) { |
---|
886 | $output .= $r['before']; |
---|
887 | for ( $i = 1; $i <= $numpages; $i++ ) { |
---|
888 | $link = $r['link_before'] . str_replace( '%', $i, $r['pagelink'] ) . $r['link_after']; |
---|
889 | if ( $i != $page || ! $more && 1 == $page ) { |
---|
890 | $link = _wp_link_page( $i ) . $link . '</a>'; |
---|
891 | } |
---|
892 | /** |
---|
893 | * Filters the HTML output of individual page number links. |
---|
894 | * |
---|
895 | * @since 3.6.0 |
---|
896 | * |
---|
897 | * @param string $link The page number HTML output. |
---|
898 | * @param int $i Page number for paginated posts' page links. |
---|
899 | */ |
---|
900 | $link = apply_filters( 'wp_link_pages_link', $link, $i ); |
---|
901 | |
---|
902 | // Use the custom links separator beginning with the second link. |
---|
903 | $output .= ( 1 === $i ) ? ' ' : $r['separator']; |
---|
904 | $output .= $link; |
---|
905 | } |
---|
906 | $output .= $r['after']; |
---|
907 | } elseif ( $more ) { |
---|
908 | $output .= $r['before']; |
---|
909 | $prev = $page - 1; |
---|
910 | if ( $prev > 0 ) { |
---|
911 | $link = _wp_link_page( $prev ) . $r['link_before'] . $r['previouspagelink'] . $r['link_after'] . '</a>'; |
---|
912 | |
---|
913 | /** This filter is documented in wp-includes/post-template.php */ |
---|
914 | $output .= apply_filters( 'wp_link_pages_link', $link, $prev ); |
---|
915 | } |
---|
916 | $next = $page + 1; |
---|
917 | if ( $next <= $numpages ) { |
---|
918 | if ( $prev ) { |
---|
919 | $output .= $r['separator']; |
---|
920 | } |
---|
921 | $link = _wp_link_page( $next ) . $r['link_before'] . $r['nextpagelink'] . $r['link_after'] . '</a>'; |
---|
922 | |
---|
923 | /** This filter is documented in wp-includes/post-template.php */ |
---|
924 | $output .= apply_filters( 'wp_link_pages_link', $link, $next ); |
---|
925 | } |
---|
926 | $output .= $r['after']; |
---|
927 | } |
---|
928 | } |
---|
929 | |
---|
930 | /** |
---|
931 | * Filters the HTML output of page links for paginated posts. |
---|
932 | * |
---|
933 | * @since 3.6.0 |
---|
934 | * |
---|
935 | * @param string $output HTML output of paginated posts' page links. |
---|
936 | * @param array $args An array of arguments. |
---|
937 | */ |
---|
938 | $html = apply_filters( 'wp_link_pages', $output, $args ); |
---|
939 | |
---|
940 | if ( $r['echo'] ) { |
---|
941 | echo $html; |
---|
942 | } |
---|
943 | return $html; |
---|
944 | } |
---|
945 | |
---|
946 | /** |
---|
947 | * Helper function for wp_link_pages(). |
---|
948 | * |
---|
949 | * @since 3.1.0 |
---|
950 | * @access private |
---|
951 | * |
---|
952 | * @global WP_Rewrite $wp_rewrite |
---|
953 | * |
---|
954 | * @param int $i Page number. |
---|
955 | * @return string Link. |
---|
956 | */ |
---|
957 | function _wp_link_page( $i ) { |
---|
958 | global $wp_rewrite; |
---|
959 | $post = get_post(); |
---|
960 | $query_args = array(); |
---|
961 | |
---|
962 | if ( 1 == $i ) { |
---|
963 | $url = get_permalink(); |
---|
964 | } else { |
---|
965 | if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) ) |
---|
966 | $url = add_query_arg( 'page', $i, get_permalink() ); |
---|
967 | elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') == $post->ID ) |
---|
968 | $url = trailingslashit(get_permalink()) . user_trailingslashit("$wp_rewrite->pagination_base/" . $i, 'single_paged'); |
---|
969 | else |
---|
970 | $url = trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged'); |
---|
971 | } |
---|
972 | |
---|
973 | if ( is_preview() ) { |
---|
974 | |
---|
975 | if ( ( 'draft' !== $post->post_status ) && isset( $_GET['preview_id'], $_GET['preview_nonce'] ) ) { |
---|
976 | $query_args['preview_id'] = wp_unslash( $_GET['preview_id'] ); |
---|
977 | $query_args['preview_nonce'] = wp_unslash( $_GET['preview_nonce'] ); |
---|
978 | } |
---|
979 | |
---|
980 | $url = get_preview_post_link( $post, $query_args, $url ); |
---|
981 | } |
---|
982 | |
---|
983 | return '<a href="' . esc_url( $url ) . '">'; |
---|
984 | } |
---|
985 | |
---|
986 | // |
---|
987 | // Post-meta: Custom per-post fields. |
---|
988 | // |
---|
989 | |
---|
990 | /** |
---|
991 | * Retrieve post custom meta data field. |
---|
992 | * |
---|
993 | * @since 1.5.0 |
---|
994 | * |
---|
995 | * @param string $key Meta data key name. |
---|
996 | * @return false|string|array Array of values or single value, if only one element exists. False will be returned if key does not exist. |
---|
997 | */ |
---|
998 | function post_custom( $key = '' ) { |
---|
999 | $custom = get_post_custom(); |
---|
1000 | |
---|
1001 | if ( !isset( $custom[$key] ) ) |
---|
1002 | return false; |
---|
1003 | elseif ( 1 == count($custom[$key]) ) |
---|
1004 | return $custom[$key][0]; |
---|
1005 | else |
---|
1006 | return $custom[$key]; |
---|
1007 | } |
---|
1008 | |
---|
1009 | /** |
---|
1010 | * Display list of post custom fields. |
---|
1011 | * |
---|
1012 | * @since 1.2.0 |
---|
1013 | * |
---|
1014 | * @internal This will probably change at some point... |
---|
1015 | * |
---|
1016 | */ |
---|
1017 | function the_meta() { |
---|
1018 | if ( $keys = get_post_custom_keys() ) { |
---|
1019 | echo "<ul class='post-meta'>\n"; |
---|
1020 | foreach ( (array) $keys as $key ) { |
---|
1021 | $keyt = trim( $key ); |
---|
1022 | if ( is_protected_meta( $keyt, 'post' ) ) { |
---|
1023 | continue; |
---|
1024 | } |
---|
1025 | |
---|
1026 | $values = array_map( 'trim', get_post_custom_values( $key ) ); |
---|
1027 | $value = implode( $values, ', ' ); |
---|
1028 | |
---|
1029 | $html = sprintf( "<li><span class='post-meta-key'>%s</span> %s</li>\n", |
---|
1030 | /* translators: %s: Post custom field name */ |
---|
1031 | sprintf( _x( '%s:', 'Post custom field name' ), $key ), |
---|
1032 | $value |
---|
1033 | ); |
---|
1034 | |
---|
1035 | /** |
---|
1036 | * Filters the HTML output of the li element in the post custom fields list. |
---|
1037 | * |
---|
1038 | * @since 2.2.0 |
---|
1039 | * |
---|
1040 | * @param string $html The HTML output for the li element. |
---|
1041 | * @param string $key Meta key. |
---|
1042 | * @param string $value Meta value. |
---|
1043 | */ |
---|
1044 | echo apply_filters( 'the_meta_key', $html, $key, $value ); |
---|
1045 | } |
---|
1046 | echo "</ul>\n"; |
---|
1047 | } |
---|
1048 | } |
---|
1049 | |
---|
1050 | // |
---|
1051 | // Pages |
---|
1052 | // |
---|
1053 | |
---|
1054 | /** |
---|
1055 | * Retrieve or display list of pages as a dropdown (select list). |
---|
1056 | * |
---|
1057 | * @since 2.1.0 |
---|
1058 | * @since 4.2.0 The `$value_field` argument was added. |
---|
1059 | * @since 4.3.0 The `$class` argument was added. |
---|
1060 | * |
---|
1061 | * @param array|string $args { |
---|
1062 | * Optional. Array or string of arguments to generate a pages drop-down element. |
---|
1063 | * |
---|
1064 | * @type int $depth Maximum depth. Default 0. |
---|
1065 | * @type int $child_of Page ID to retrieve child pages of. Default 0. |
---|
1066 | * @type int|string $selected Value of the option that should be selected. Default 0. |
---|
1067 | * @type bool|int $echo Whether to echo or return the generated markup. Accepts 0, 1, |
---|
1068 | * or their bool equivalents. Default 1. |
---|
1069 | * @type string $name Value for the 'name' attribute of the select element. |
---|
1070 | * Default 'page_id'. |
---|
1071 | * @type string $id Value for the 'id' attribute of the select element. |
---|
1072 | * @type string $class Value for the 'class' attribute of the select element. Default: none. |
---|
1073 | * Defaults to the value of `$name`. |
---|
1074 | * @type string $show_option_none Text to display for showing no pages. Default empty (does not display). |
---|
1075 | * @type string $show_option_no_change Text to display for "no change" option. Default empty (does not display). |
---|
1076 | * @type string $option_none_value Value to use when no page is selected. Default empty. |
---|
1077 | * @type string $value_field Post field used to populate the 'value' attribute of the option |
---|
1078 | * elements. Accepts any valid post field. Default 'ID'. |
---|
1079 | * } |
---|
1080 | * @return string HTML content, if not displaying. |
---|
1081 | */ |
---|
1082 | function wp_dropdown_pages( $args = '' ) { |
---|
1083 | $defaults = array( |
---|
1084 | 'depth' => 0, 'child_of' => 0, |
---|
1085 | 'selected' => 0, 'echo' => 1, |
---|
1086 | 'name' => 'page_id', 'id' => '', |
---|
1087 | 'class' => '', |
---|
1088 | 'show_option_none' => '', 'show_option_no_change' => '', |
---|
1089 | 'option_none_value' => '', |
---|
1090 | 'value_field' => 'ID', |
---|
1091 | ); |
---|
1092 | |
---|
1093 | $r = wp_parse_args( $args, $defaults ); |
---|
1094 | |
---|
1095 | $pages = get_pages( $r ); |
---|
1096 | $output = ''; |
---|
1097 | // Back-compat with old system where both id and name were based on $name argument |
---|
1098 | if ( empty( $r['id'] ) ) { |
---|
1099 | $r['id'] = $r['name']; |
---|
1100 | } |
---|
1101 | |
---|
1102 | if ( ! empty( $pages ) ) { |
---|
1103 | $class = ''; |
---|
1104 | if ( ! empty( $r['class'] ) ) { |
---|
1105 | $class = " class='" . esc_attr( $r['class'] ) . "'"; |
---|
1106 | } |
---|
1107 | |
---|
1108 | $output = "<select name='" . esc_attr( $r['name'] ) . "'" . $class . " id='" . esc_attr( $r['id'] ) . "'>\n"; |
---|
1109 | if ( $r['show_option_no_change'] ) { |
---|
1110 | $output .= "\t<option value=\"-1\">" . $r['show_option_no_change'] . "</option>\n"; |
---|
1111 | } |
---|
1112 | if ( $r['show_option_none'] ) { |
---|
1113 | $output .= "\t<option value=\"" . esc_attr( $r['option_none_value'] ) . '">' . $r['show_option_none'] . "</option>\n"; |
---|
1114 | } |
---|
1115 | $output .= walk_page_dropdown_tree( $pages, $r['depth'], $r ); |
---|
1116 | $output .= "</select>\n"; |
---|
1117 | } |
---|
1118 | |
---|
1119 | /** |
---|
1120 | * Filters the HTML output of a list of pages as a drop down. |
---|
1121 | * |
---|
1122 | * @since 2.1.0 |
---|
1123 | * @since 4.4.0 `$r` and `$pages` added as arguments. |
---|
1124 | * |
---|
1125 | * @param string $output HTML output for drop down list of pages. |
---|
1126 | * @param array $r The parsed arguments array. |
---|
1127 | * @param array $pages List of WP_Post objects returned by `get_pages()` |
---|
1128 | */ |
---|
1129 | $html = apply_filters( 'wp_dropdown_pages', $output, $r, $pages ); |
---|
1130 | |
---|
1131 | if ( $r['echo'] ) { |
---|
1132 | echo $html; |
---|
1133 | } |
---|
1134 | return $html; |
---|
1135 | } |
---|
1136 | |
---|
1137 | /** |
---|
1138 | * Retrieve or display list of pages (or hierarchical post type items) in list (li) format. |
---|
1139 | * |
---|
1140 | * @since 1.5.0 |
---|
1141 | * @since 4.7.0 Added the `item_spacing` argument. |
---|
1142 | * |
---|
1143 | * @see get_pages() |
---|
1144 | * |
---|
1145 | * @global WP_Query $wp_query |
---|
1146 | * |
---|
1147 | * @param array|string $args { |
---|
1148 | * Array or string of arguments. Optional. |
---|
1149 | * |
---|
1150 | * @type int $child_of Display only the sub-pages of a single page by ID. Default 0 (all pages). |
---|
1151 | * @type string $authors Comma-separated list of author IDs. Default empty (all authors). |
---|
1152 | * @type string $date_format PHP date format to use for the listed pages. Relies on the 'show_date' parameter. |
---|
1153 | * Default is the value of 'date_format' option. |
---|
1154 | * @type int $depth Number of levels in the hierarchy of pages to include in the generated list. |
---|
1155 | * Accepts -1 (any depth), 0 (all pages), 1 (top-level pages only), and n (pages to |
---|
1156 | * the given n depth). Default 0. |
---|
1157 | * @type bool $echo Whether or not to echo the list of pages. Default true. |
---|
1158 | * @type string $exclude Comma-separated list of page IDs to exclude. Default empty. |
---|
1159 | * @type array $include Comma-separated list of page IDs to include. Default empty. |
---|
1160 | * @type string $link_after Text or HTML to follow the page link label. Default null. |
---|
1161 | * @type string $link_before Text or HTML to precede the page link label. Default null. |
---|
1162 | * @type string $post_type Post type to query for. Default 'page'. |
---|
1163 | * @type string|array $post_status Comma-separated list or array of post statuses to include. Default 'publish'. |
---|
1164 | * @type string $show_date Whether to display the page publish or modified date for each page. Accepts |
---|
1165 | * 'modified' or any other value. An empty value hides the date. Default empty. |
---|
1166 | * @type string $sort_column Comma-separated list of column names to sort the pages by. Accepts 'post_author', |
---|
1167 | * 'post_date', 'post_title', 'post_name', 'post_modified', 'post_modified_gmt', |
---|
1168 | * 'menu_order', 'post_parent', 'ID', 'rand', or 'comment_count'. Default 'post_title'. |
---|
1169 | * @type string $title_li List heading. Passing a null or empty value will result in no heading, and the list |
---|
1170 | * will not be wrapped with unordered list `<ul>` tags. Default 'Pages'. |
---|
1171 | * @type string $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'. |
---|
1172 | * Default 'preserve'. |
---|
1173 | * @type Walker $walker Walker instance to use for listing pages. Default empty (Walker_Page). |
---|
1174 | * } |
---|
1175 | * @return string|void HTML list of pages. |
---|
1176 | */ |
---|
1177 | function wp_list_pages( $args = '' ) { |
---|
1178 | $defaults = array( |
---|
1179 | 'depth' => 0, |
---|
1180 | 'show_date' => '', |
---|
1181 | 'date_format' => get_option( 'date_format' ), |
---|
1182 | 'child_of' => 0, |
---|
1183 | 'exclude' => '', |
---|
1184 | 'title_li' => __( 'Pages' ), |
---|
1185 | 'echo' => 1, |
---|
1186 | 'authors' => '', |
---|
1187 | 'sort_column' => 'menu_order, post_title', |
---|
1188 | 'link_before' => '', |
---|
1189 | 'link_after' => '', |
---|
1190 | 'item_spacing' => 'preserve', |
---|
1191 | 'walker' => '', |
---|
1192 | ); |
---|
1193 | |
---|
1194 | $r = wp_parse_args( $args, $defaults ); |
---|
1195 | |
---|
1196 | if ( ! in_array( $r['item_spacing'], array( 'preserve', 'discard' ), true ) ) { |
---|
1197 | // invalid value, fall back to default. |
---|
1198 | $r['item_spacing'] = $defaults['item_spacing']; |
---|
1199 | } |
---|
1200 | |
---|
1201 | $output = ''; |
---|
1202 | $current_page = 0; |
---|
1203 | |
---|
1204 | // sanitize, mostly to keep spaces out |
---|
1205 | $r['exclude'] = preg_replace( '/[^0-9,]/', '', $r['exclude'] ); |
---|
1206 | |
---|
1207 | // Allow plugins to filter an array of excluded pages (but don't put a nullstring into the array) |
---|
1208 | $exclude_array = ( $r['exclude'] ) ? explode( ',', $r['exclude'] ) : array(); |
---|
1209 | |
---|
1210 | /** |
---|
1211 | * Filters the array of pages to exclude from the pages list. |
---|
1212 | * |
---|
1213 | * @since 2.1.0 |
---|
1214 | * |
---|
1215 | * @param array $exclude_array An array of page IDs to exclude. |
---|
1216 | */ |
---|
1217 | $r['exclude'] = implode( ',', apply_filters( 'wp_list_pages_excludes', $exclude_array ) ); |
---|
1218 | |
---|
1219 | // Query pages. |
---|
1220 | $r['hierarchical'] = 0; |
---|
1221 | $pages = get_pages( $r ); |
---|
1222 | |
---|
1223 | if ( ! empty( $pages ) ) { |
---|
1224 | if ( $r['title_li'] ) { |
---|
1225 | $output .= '<li class="pagenav">' . $r['title_li'] . '<ul>'; |
---|
1226 | } |
---|
1227 | global $wp_query; |
---|
1228 | if ( is_page() || is_attachment() || $wp_query->is_posts_page ) { |
---|
1229 | $current_page = get_queried_object_id(); |
---|
1230 | } elseif ( is_singular() ) { |
---|
1231 | $queried_object = get_queried_object(); |
---|
1232 | if ( is_post_type_hierarchical( $queried_object->post_type ) ) { |
---|
1233 | $current_page = $queried_object->ID; |
---|
1234 | } |
---|
1235 | } |
---|
1236 | |
---|
1237 | $output .= walk_page_tree( $pages, $r['depth'], $current_page, $r ); |
---|
1238 | |
---|
1239 | if ( $r['title_li'] ) { |
---|
1240 | $output .= '</ul></li>'; |
---|
1241 | } |
---|
1242 | } |
---|
1243 | |
---|
1244 | /** |
---|
1245 | * Filters the HTML output of the pages to list. |
---|
1246 | * |
---|
1247 | * @since 1.5.1 |
---|
1248 | * @since 4.4.0 `$pages` added as arguments. |
---|
1249 | * |
---|
1250 | * @see wp_list_pages() |
---|
1251 | * |
---|
1252 | * @param string $output HTML output of the pages list. |
---|
1253 | * @param array $r An array of page-listing arguments. |
---|
1254 | * @param array $pages List of WP_Post objects returned by `get_pages()` |
---|
1255 | */ |
---|
1256 | $html = apply_filters( 'wp_list_pages', $output, $r, $pages ); |
---|
1257 | |
---|
1258 | if ( $r['echo'] ) { |
---|
1259 | echo $html; |
---|
1260 | } else { |
---|
1261 | return $html; |
---|
1262 | } |
---|
1263 | } |
---|
1264 | |
---|
1265 | /** |
---|
1266 | * Displays or retrieves a list of pages with an optional home link. |
---|
1267 | * |
---|
1268 | * The arguments are listed below and part of the arguments are for wp_list_pages()} function. |
---|
1269 | * Check that function for more info on those arguments. |
---|
1270 | * |
---|
1271 | * @since 2.7.0 |
---|
1272 | * @since 4.4.0 Added `menu_id`, `container`, `before`, `after`, and `walker` arguments. |
---|
1273 | * @since 4.7.0 Added the `item_spacing` argument. |
---|
1274 | * |
---|
1275 | * @param array|string $args { |
---|
1276 | * Optional. Arguments to generate a page menu. See wp_list_pages() for additional arguments. |
---|
1277 | * |
---|
1278 | * @type string $sort_column How to sort the list of pages. Accepts post column names. |
---|
1279 | * Default 'menu_order, post_title'. |
---|
1280 | * @type string $menu_id ID for the div containing the page list. Default is empty string. |
---|
1281 | * @type string $menu_class Class to use for the element containing the page list. Default 'menu'. |
---|
1282 | * @type string $container Element to use for the element containing the page list. Default 'div'. |
---|
1283 | * @type bool $echo Whether to echo the list or return it. Accepts true (echo) or false (return). |
---|
1284 | * Default true. |
---|
1285 | * @type int|bool|string $show_home Whether to display the link to the home page. Can just enter the text |
---|
1286 | * you'd like shown for the home link. 1|true defaults to 'Home'. |
---|
1287 | * @type string $link_before The HTML or text to prepend to $show_home text. Default empty. |
---|
1288 | * @type string $link_after The HTML or text to append to $show_home text. Default empty. |
---|
1289 | * @type string $before The HTML or text to prepend to the menu. Default is '<ul>'. |
---|
1290 | * @type string $after The HTML or text to append to the menu. Default is '</ul>'. |
---|
1291 | * @type string $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'. Default 'discard'. |
---|
1292 | * @type Walker $walker Walker instance to use for listing pages. Default empty (Walker_Page). |
---|
1293 | * } |
---|
1294 | * @return string|void HTML menu |
---|
1295 | */ |
---|
1296 | function wp_page_menu( $args = array() ) { |
---|
1297 | $defaults = array( |
---|
1298 | 'sort_column' => 'menu_order, post_title', |
---|
1299 | 'menu_id' => '', |
---|
1300 | 'menu_class' => 'menu', |
---|
1301 | 'container' => 'div', |
---|
1302 | 'echo' => true, |
---|
1303 | 'link_before' => '', |
---|
1304 | 'link_after' => '', |
---|
1305 | 'before' => '<ul>', |
---|
1306 | 'after' => '</ul>', |
---|
1307 | 'item_spacing' => 'discard', |
---|
1308 | 'walker' => '', |
---|
1309 | ); |
---|
1310 | $args = wp_parse_args( $args, $defaults ); |
---|
1311 | |
---|
1312 | if ( ! in_array( $args['item_spacing'], array( 'preserve', 'discard' ) ) ) { |
---|
1313 | // invalid value, fall back to default. |
---|
1314 | $args['item_spacing'] = $defaults['item_spacing']; |
---|
1315 | } |
---|
1316 | |
---|
1317 | if ( 'preserve' === $args['item_spacing'] ) { |
---|
1318 | $t = "\t"; |
---|
1319 | $n = "\n"; |
---|
1320 | } else { |
---|
1321 | $t = ''; |
---|
1322 | $n = ''; |
---|
1323 | } |
---|
1324 | |
---|
1325 | /** |
---|
1326 | * Filters the arguments used to generate a page-based menu. |
---|
1327 | * |
---|
1328 | * @since 2.7.0 |
---|
1329 | * |
---|
1330 | * @see wp_page_menu() |
---|
1331 | * |
---|
1332 | * @param array $args An array of page menu arguments. |
---|
1333 | */ |
---|
1334 | $args = apply_filters( 'wp_page_menu_args', $args ); |
---|
1335 | |
---|
1336 | $menu = ''; |
---|
1337 | |
---|
1338 | $list_args = $args; |
---|
1339 | |
---|
1340 | // Show Home in the menu |
---|
1341 | if ( ! empty($args['show_home']) ) { |
---|
1342 | if ( true === $args['show_home'] || '1' === $args['show_home'] || 1 === $args['show_home'] ) |
---|
1343 | $text = __('Home'); |
---|
1344 | else |
---|
1345 | $text = $args['show_home']; |
---|
1346 | $class = ''; |
---|
1347 | if ( is_front_page() && !is_paged() ) |
---|
1348 | $class = 'class="current_page_item"'; |
---|
1349 | $menu .= '<li ' . $class . '><a href="' . home_url( '/' ) . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>'; |
---|
1350 | // If the front page is a page, add it to the exclude list |
---|
1351 | if (get_option('show_on_front') == 'page') { |
---|
1352 | if ( !empty( $list_args['exclude'] ) ) { |
---|
1353 | $list_args['exclude'] .= ','; |
---|
1354 | } else { |
---|
1355 | $list_args['exclude'] = ''; |
---|
1356 | } |
---|
1357 | $list_args['exclude'] .= get_option('page_on_front'); |
---|
1358 | } |
---|
1359 | } |
---|
1360 | |
---|
1361 | $list_args['echo'] = false; |
---|
1362 | $list_args['title_li'] = ''; |
---|
1363 | $menu .= wp_list_pages( $list_args ); |
---|
1364 | |
---|
1365 | $container = sanitize_text_field( $args['container'] ); |
---|
1366 | |
---|
1367 | // Fallback in case `wp_nav_menu()` was called without a container. |
---|
1368 | if ( empty( $container ) ) { |
---|
1369 | $container = 'div'; |
---|
1370 | } |
---|
1371 | |
---|
1372 | if ( $menu ) { |
---|
1373 | |
---|
1374 | // wp_nav_menu doesn't set before and after |
---|
1375 | if ( isset( $args['fallback_cb'] ) && |
---|
1376 | 'wp_page_menu' === $args['fallback_cb'] && |
---|
1377 | 'ul' !== $container ) { |
---|
1378 | $args['before'] = "<ul>{$n}"; |
---|
1379 | $args['after'] = '</ul>'; |
---|
1380 | } |
---|
1381 | |
---|
1382 | $menu = $args['before'] . $menu . $args['after']; |
---|
1383 | } |
---|
1384 | |
---|
1385 | $attrs = ''; |
---|
1386 | if ( ! empty( $args['menu_id'] ) ) { |
---|
1387 | $attrs .= ' id="' . esc_attr( $args['menu_id'] ) . '"'; |
---|
1388 | } |
---|
1389 | |
---|
1390 | if ( ! empty( $args['menu_class'] ) ) { |
---|
1391 | $attrs .= ' class="' . esc_attr( $args['menu_class'] ) . '"'; |
---|
1392 | } |
---|
1393 | |
---|
1394 | $menu = "<{$container}{$attrs}>" . $menu . "</{$container}>{$n}"; |
---|
1395 | |
---|
1396 | /** |
---|
1397 | * Filters the HTML output of a page-based menu. |
---|
1398 | * |
---|
1399 | * @since 2.7.0 |
---|
1400 | * |
---|
1401 | * @see wp_page_menu() |
---|
1402 | * |
---|
1403 | * @param string $menu The HTML output. |
---|
1404 | * @param array $args An array of arguments. |
---|
1405 | */ |
---|
1406 | $menu = apply_filters( 'wp_page_menu', $menu, $args ); |
---|
1407 | if ( $args['echo'] ) |
---|
1408 | echo $menu; |
---|
1409 | else |
---|
1410 | return $menu; |
---|
1411 | } |
---|
1412 | |
---|
1413 | // |
---|
1414 | // Page helpers |
---|
1415 | // |
---|
1416 | |
---|
1417 | /** |
---|
1418 | * Retrieve HTML list content for page list. |
---|
1419 | * |
---|
1420 | * @uses Walker_Page to create HTML list content. |
---|
1421 | * @since 2.1.0 |
---|
1422 | * |
---|
1423 | * @param array $pages |
---|
1424 | * @param int $depth |
---|
1425 | * @param int $current_page |
---|
1426 | * @param array $r |
---|
1427 | * @return string |
---|
1428 | */ |
---|
1429 | function walk_page_tree( $pages, $depth, $current_page, $r ) { |
---|
1430 | if ( empty($r['walker']) ) |
---|
1431 | $walker = new Walker_Page; |
---|
1432 | else |
---|
1433 | $walker = $r['walker']; |
---|
1434 | |
---|
1435 | foreach ( (array) $pages as $page ) { |
---|
1436 | if ( $page->post_parent ) |
---|
1437 | $r['pages_with_children'][ $page->post_parent ] = true; |
---|
1438 | } |
---|
1439 | |
---|
1440 | $args = array($pages, $depth, $r, $current_page); |
---|
1441 | return call_user_func_array(array($walker, 'walk'), $args); |
---|
1442 | } |
---|
1443 | |
---|
1444 | /** |
---|
1445 | * Retrieve HTML dropdown (select) content for page list. |
---|
1446 | * |
---|
1447 | * @uses Walker_PageDropdown to create HTML dropdown content. |
---|
1448 | * @since 2.1.0 |
---|
1449 | * @see Walker_PageDropdown::walk() for parameters and return description. |
---|
1450 | * |
---|
1451 | * @return string |
---|
1452 | */ |
---|
1453 | function walk_page_dropdown_tree() { |
---|
1454 | $args = func_get_args(); |
---|
1455 | if ( empty($args[2]['walker']) ) // the user's options are the third parameter |
---|
1456 | $walker = new Walker_PageDropdown; |
---|
1457 | else |
---|
1458 | $walker = $args[2]['walker']; |
---|
1459 | |
---|
1460 | return call_user_func_array(array($walker, 'walk'), $args); |
---|
1461 | } |
---|
1462 | |
---|
1463 | // |
---|
1464 | // Attachments |
---|
1465 | // |
---|
1466 | |
---|
1467 | /** |
---|
1468 | * Display an attachment page link using an image or icon. |
---|
1469 | * |
---|
1470 | * @since 2.0.0 |
---|
1471 | * |
---|
1472 | * @param int|WP_Post $id Optional. Post ID or post object. |
---|
1473 | * @param bool $fullsize Optional, default is false. Whether to use full size. |
---|
1474 | * @param bool $deprecated Deprecated. Not used. |
---|
1475 | * @param bool $permalink Optional, default is false. Whether to include permalink. |
---|
1476 | */ |
---|
1477 | function the_attachment_link( $id = 0, $fullsize = false, $deprecated = false, $permalink = false ) { |
---|
1478 | if ( !empty( $deprecated ) ) |
---|
1479 | _deprecated_argument( __FUNCTION__, '2.5.0' ); |
---|
1480 | |
---|
1481 | if ( $fullsize ) |
---|
1482 | echo wp_get_attachment_link($id, 'full', $permalink); |
---|
1483 | else |
---|
1484 | echo wp_get_attachment_link($id, 'thumbnail', $permalink); |
---|
1485 | } |
---|
1486 | |
---|
1487 | /** |
---|
1488 | * Retrieve an attachment page link using an image or icon, if possible. |
---|
1489 | * |
---|
1490 | * @since 2.5.0 |
---|
1491 | * @since 4.4.0 The `$id` parameter can now accept either a post ID or `WP_Post` object. |
---|
1492 | * |
---|
1493 | * @param int|WP_Post $id Optional. Post ID or post object. |
---|
1494 | * @param string|array $size Optional. Image size. Accepts any valid image size, or an array |
---|
1495 | * of width and height values in pixels (in that order). |
---|
1496 | * Default 'thumbnail'. |
---|
1497 | * @param bool $permalink Optional, Whether to add permalink to image. Default false. |
---|
1498 | * @param bool $icon Optional. Whether the attachment is an icon. Default false. |
---|
1499 | * @param string|false $text Optional. Link text to use. Activated by passing a string, false otherwise. |
---|
1500 | * Default false. |
---|
1501 | * @param array|string $attr Optional. Array or string of attributes. Default empty. |
---|
1502 | * @return string HTML content. |
---|
1503 | */ |
---|
1504 | function wp_get_attachment_link( $id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false, $attr = '' ) { |
---|
1505 | $_post = get_post( $id ); |
---|
1506 | |
---|
1507 | if ( empty( $_post ) || ( 'attachment' !== $_post->post_type ) || ! $url = wp_get_attachment_url( $_post->ID ) ) { |
---|
1508 | return __( 'Missing Attachment' ); |
---|
1509 | } |
---|
1510 | |
---|
1511 | if ( $permalink ) { |
---|
1512 | $url = get_attachment_link( $_post->ID ); |
---|
1513 | } |
---|
1514 | |
---|
1515 | if ( $text ) { |
---|
1516 | $link_text = $text; |
---|
1517 | } elseif ( $size && 'none' != $size ) { |
---|
1518 | $link_text = wp_get_attachment_image( $_post->ID, $size, $icon, $attr ); |
---|
1519 | } else { |
---|
1520 | $link_text = ''; |
---|
1521 | } |
---|
1522 | |
---|
1523 | if ( '' === trim( $link_text ) ) { |
---|
1524 | $link_text = $_post->post_title; |
---|
1525 | } |
---|
1526 | |
---|
1527 | if ( '' === trim( $link_text ) ) { |
---|
1528 | $link_text = esc_html( pathinfo( get_attached_file( $_post->ID ), PATHINFO_FILENAME ) ); |
---|
1529 | } |
---|
1530 | /** |
---|
1531 | * Filters a retrieved attachment page link. |
---|
1532 | * |
---|
1533 | * @since 2.7.0 |
---|
1534 | * |
---|
1535 | * @param string $link_html The page link HTML output. |
---|
1536 | * @param int $id Post ID. |
---|
1537 | * @param string|array $size Size of the image. Image size or array of width and height values (in that order). |
---|
1538 | * Default 'thumbnail'. |
---|
1539 | * @param bool $permalink Whether to add permalink to image. Default false. |
---|
1540 | * @param bool $icon Whether to include an icon. Default false. |
---|
1541 | * @param string|bool $text If string, will be link text. Default false. |
---|
1542 | */ |
---|
1543 | return apply_filters( 'wp_get_attachment_link', "<a href='" . esc_url( $url ) . "'>$link_text</a>", $id, $size, $permalink, $icon, $text ); |
---|
1544 | } |
---|
1545 | |
---|
1546 | /** |
---|
1547 | * Wrap attachment in paragraph tag before content. |
---|
1548 | * |
---|
1549 | * @since 2.0.0 |
---|
1550 | * |
---|
1551 | * @param string $content |
---|
1552 | * @return string |
---|
1553 | */ |
---|
1554 | function prepend_attachment($content) { |
---|
1555 | $post = get_post(); |
---|
1556 | |
---|
1557 | if ( empty($post->post_type) || $post->post_type != 'attachment' ) |
---|
1558 | return $content; |
---|
1559 | |
---|
1560 | if ( wp_attachment_is( 'video', $post ) ) { |
---|
1561 | $meta = wp_get_attachment_metadata( get_the_ID() ); |
---|
1562 | $atts = array( 'src' => wp_get_attachment_url() ); |
---|
1563 | if ( ! empty( $meta['width'] ) && ! empty( $meta['height'] ) ) { |
---|
1564 | $atts['width'] = (int) $meta['width']; |
---|
1565 | $atts['height'] = (int) $meta['height']; |
---|
1566 | } |
---|
1567 | if ( has_post_thumbnail() ) { |
---|
1568 | $atts['poster'] = wp_get_attachment_url( get_post_thumbnail_id() ); |
---|
1569 | } |
---|
1570 | $p = wp_video_shortcode( $atts ); |
---|
1571 | } elseif ( wp_attachment_is( 'audio', $post ) ) { |
---|
1572 | $p = wp_audio_shortcode( array( 'src' => wp_get_attachment_url() ) ); |
---|
1573 | } else { |
---|
1574 | $p = '<p class="attachment">'; |
---|
1575 | // show the medium sized image representation of the attachment if available, and link to the raw file |
---|
1576 | $p .= wp_get_attachment_link(0, 'medium', false); |
---|
1577 | $p .= '</p>'; |
---|
1578 | } |
---|
1579 | |
---|
1580 | /** |
---|
1581 | * Filters the attachment markup to be prepended to the post content. |
---|
1582 | * |
---|
1583 | * @since 2.0.0 |
---|
1584 | * |
---|
1585 | * @see prepend_attachment() |
---|
1586 | * |
---|
1587 | * @param string $p The attachment HTML output. |
---|
1588 | */ |
---|
1589 | $p = apply_filters( 'prepend_attachment', $p ); |
---|
1590 | |
---|
1591 | return "$p\n$content"; |
---|
1592 | } |
---|
1593 | |
---|
1594 | // |
---|
1595 | // Misc |
---|
1596 | // |
---|
1597 | |
---|
1598 | /** |
---|
1599 | * Retrieve protected post password form content. |
---|
1600 | * |
---|
1601 | * @since 1.0.0 |
---|
1602 | * |
---|
1603 | * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. |
---|
1604 | * @return string HTML content for password form for password protected post. |
---|
1605 | */ |
---|
1606 | function get_the_password_form( $post = 0 ) { |
---|
1607 | $post = get_post( $post ); |
---|
1608 | $label = 'pwbox-' . ( empty($post->ID) ? rand() : $post->ID ); |
---|
1609 | $output = '<form action="' . esc_url( site_url( 'wp-login.php?action=postpass', 'login_post' ) ) . '" class="post-password-form" method="post"> |
---|
1610 | <p>' . __( 'This content is password protected. To view it please enter your password below:' ) . '</p> |
---|
1611 | <p><label for="' . $label . '">' . __( 'Password:' ) . ' <input name="post_password" id="' . $label . '" type="password" size="20" /></label> <input type="submit" name="Submit" value="' . esc_attr_x( 'Enter', 'post password form' ) . '" /></p></form> |
---|
1612 | '; |
---|
1613 | |
---|
1614 | /** |
---|
1615 | * Filters the HTML output for the protected post password form. |
---|
1616 | * |
---|
1617 | * If modifying the password field, please note that the core database schema |
---|
1618 | * limits the password field to 20 characters regardless of the value of the |
---|
1619 | * size attribute in the form input. |
---|
1620 | * |
---|
1621 | * @since 2.7.0 |
---|
1622 | * |
---|
1623 | * @param string $output The password form HTML output. |
---|
1624 | */ |
---|
1625 | return apply_filters( 'the_password_form', $output ); |
---|
1626 | } |
---|
1627 | |
---|
1628 | /** |
---|
1629 | * Whether currently in a page template. |
---|
1630 | * |
---|
1631 | * This template tag allows you to determine if you are in a page template. |
---|
1632 | * You can optionally provide a template name or array of template names |
---|
1633 | * and then the check will be specific to that template. |
---|
1634 | * |
---|
1635 | * @since 2.5.0 |
---|
1636 | * @since 4.2.0 The `$template` parameter was changed to also accept an array of page templates. |
---|
1637 | * @since 4.7.0 Now works with any post type, not just pages. |
---|
1638 | * |
---|
1639 | * @param string|array $template The specific template name or array of templates to match. |
---|
1640 | * @return bool True on success, false on failure. |
---|
1641 | */ |
---|
1642 | function is_page_template( $template = '' ) { |
---|
1643 | if ( ! is_singular() ) { |
---|
1644 | return false; |
---|
1645 | } |
---|
1646 | |
---|
1647 | $page_template = get_page_template_slug( get_queried_object_id() ); |
---|
1648 | |
---|
1649 | if ( empty( $template ) ) |
---|
1650 | return (bool) $page_template; |
---|
1651 | |
---|
1652 | if ( $template == $page_template ) |
---|
1653 | return true; |
---|
1654 | |
---|
1655 | if ( is_array( $template ) ) { |
---|
1656 | if ( ( in_array( 'default', $template, true ) && ! $page_template ) |
---|
1657 | || in_array( $page_template, $template, true ) |
---|
1658 | ) { |
---|
1659 | return true; |
---|
1660 | } |
---|
1661 | } |
---|
1662 | |
---|
1663 | return ( 'default' === $template && ! $page_template ); |
---|
1664 | } |
---|
1665 | |
---|
1666 | /** |
---|
1667 | * Get the specific template name for a given post. |
---|
1668 | * |
---|
1669 | * @since 3.4.0 |
---|
1670 | * @since 4.7.0 Now works with any post type, not just pages. |
---|
1671 | * |
---|
1672 | * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. |
---|
1673 | * @return string|false Page template filename. Returns an empty string when the default page template |
---|
1674 | * is in use. Returns false if the post does not exist. |
---|
1675 | */ |
---|
1676 | function get_page_template_slug( $post = null ) { |
---|
1677 | $post = get_post( $post ); |
---|
1678 | |
---|
1679 | if ( ! $post ) { |
---|
1680 | return false; |
---|
1681 | } |
---|
1682 | |
---|
1683 | $template = get_post_meta( $post->ID, '_wp_page_template', true ); |
---|
1684 | |
---|
1685 | if ( ! $template || 'default' == $template ) { |
---|
1686 | return ''; |
---|
1687 | } |
---|
1688 | |
---|
1689 | return $template; |
---|
1690 | } |
---|
1691 | |
---|
1692 | /** |
---|
1693 | * Retrieve formatted date timestamp of a revision (linked to that revisions's page). |
---|
1694 | * |
---|
1695 | * @since 2.6.0 |
---|
1696 | * |
---|
1697 | * @param int|object $revision Revision ID or revision object. |
---|
1698 | * @param bool $link Optional, default is true. Link to revisions's page? |
---|
1699 | * @return string|false i18n formatted datetimestamp or localized 'Current Revision'. |
---|
1700 | */ |
---|
1701 | function wp_post_revision_title( $revision, $link = true ) { |
---|
1702 | if ( !$revision = get_post( $revision ) ) |
---|
1703 | return $revision; |
---|
1704 | |
---|
1705 | if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) ) |
---|
1706 | return false; |
---|
1707 | |
---|
1708 | /* translators: revision date format, see https://secure.php.net/date */ |
---|
1709 | $datef = _x( 'F j, Y @ H:i:s', 'revision date format' ); |
---|
1710 | /* translators: %s: revision date */ |
---|
1711 | $autosavef = __( '%s [Autosave]' ); |
---|
1712 | /* translators: %s: revision date */ |
---|
1713 | $currentf = __( '%s [Current Revision]' ); |
---|
1714 | |
---|
1715 | $date = date_i18n( $datef, strtotime( $revision->post_modified ) ); |
---|
1716 | if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) ) |
---|
1717 | $date = "<a href='$link'>$date</a>"; |
---|
1718 | |
---|
1719 | if ( !wp_is_post_revision( $revision ) ) |
---|
1720 | $date = sprintf( $currentf, $date ); |
---|
1721 | elseif ( wp_is_post_autosave( $revision ) ) |
---|
1722 | $date = sprintf( $autosavef, $date ); |
---|
1723 | |
---|
1724 | return $date; |
---|
1725 | } |
---|
1726 | |
---|
1727 | /** |
---|
1728 | * Retrieve formatted date timestamp of a revision (linked to that revisions's page). |
---|
1729 | * |
---|
1730 | * @since 3.6.0 |
---|
1731 | * |
---|
1732 | * @param int|object $revision Revision ID or revision object. |
---|
1733 | * @param bool $link Optional, default is true. Link to revisions's page? |
---|
1734 | * @return string|false gravatar, user, i18n formatted datetimestamp or localized 'Current Revision'. |
---|
1735 | */ |
---|
1736 | function wp_post_revision_title_expanded( $revision, $link = true ) { |
---|
1737 | if ( !$revision = get_post( $revision ) ) |
---|
1738 | return $revision; |
---|
1739 | |
---|
1740 | if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) ) |
---|
1741 | return false; |
---|
1742 | |
---|
1743 | $author = get_the_author_meta( 'display_name', $revision->post_author ); |
---|
1744 | /* translators: revision date format, see https://secure.php.net/date */ |
---|
1745 | $datef = _x( 'F j, Y @ H:i:s', 'revision date format' ); |
---|
1746 | |
---|
1747 | $gravatar = get_avatar( $revision->post_author, 24 ); |
---|
1748 | |
---|
1749 | $date = date_i18n( $datef, strtotime( $revision->post_modified ) ); |
---|
1750 | if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) ) |
---|
1751 | $date = "<a href='$link'>$date</a>"; |
---|
1752 | |
---|
1753 | $revision_date_author = sprintf( |
---|
1754 | /* translators: post revision title: 1: author avatar, 2: author name, 3: time ago, 4: date */ |
---|
1755 | __( '%1$s %2$s, %3$s ago (%4$s)' ), |
---|
1756 | $gravatar, |
---|
1757 | $author, |
---|
1758 | human_time_diff( strtotime( $revision->post_modified ), current_time( 'timestamp' ) ), |
---|
1759 | $date |
---|
1760 | ); |
---|
1761 | |
---|
1762 | /* translators: %s: revision date with author avatar */ |
---|
1763 | $autosavef = __( '%s [Autosave]' ); |
---|
1764 | /* translators: %s: revision date with author avatar */ |
---|
1765 | $currentf = __( '%s [Current Revision]' ); |
---|
1766 | |
---|
1767 | if ( !wp_is_post_revision( $revision ) ) |
---|
1768 | $revision_date_author = sprintf( $currentf, $revision_date_author ); |
---|
1769 | elseif ( wp_is_post_autosave( $revision ) ) |
---|
1770 | $revision_date_author = sprintf( $autosavef, $revision_date_author ); |
---|
1771 | |
---|
1772 | /** |
---|
1773 | * Filters the formatted author and date for a revision. |
---|
1774 | * |
---|
1775 | * @since 4.4.0 |
---|
1776 | * |
---|
1777 | * @param string $revision_date_author The formatted string. |
---|
1778 | * @param WP_Post $revision The revision object. |
---|
1779 | * @param bool $link Whether to link to the revisions page, as passed into |
---|
1780 | * wp_post_revision_title_expanded(). |
---|
1781 | */ |
---|
1782 | return apply_filters( 'wp_post_revision_title_expanded', $revision_date_author, $revision, $link ); |
---|
1783 | } |
---|
1784 | |
---|
1785 | /** |
---|
1786 | * Display list of a post's revisions. |
---|
1787 | * |
---|
1788 | * Can output either a UL with edit links or a TABLE with diff interface, and |
---|
1789 | * restore action links. |
---|
1790 | * |
---|
1791 | * @since 2.6.0 |
---|
1792 | * |
---|
1793 | * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post. |
---|
1794 | * @param string $type 'all' (default), 'revision' or 'autosave' |
---|
1795 | */ |
---|
1796 | function wp_list_post_revisions( $post_id = 0, $type = 'all' ) { |
---|
1797 | if ( ! $post = get_post( $post_id ) ) |
---|
1798 | return; |
---|
1799 | |
---|
1800 | // $args array with (parent, format, right, left, type) deprecated since 3.6 |
---|
1801 | if ( is_array( $type ) ) { |
---|
1802 | $type = ! empty( $type['type'] ) ? $type['type'] : $type; |
---|
1803 | _deprecated_argument( __FUNCTION__, '3.6.0' ); |
---|
1804 | } |
---|
1805 | |
---|
1806 | if ( ! $revisions = wp_get_post_revisions( $post->ID ) ) |
---|
1807 | return; |
---|
1808 | |
---|
1809 | $rows = ''; |
---|
1810 | foreach ( $revisions as $revision ) { |
---|
1811 | if ( ! current_user_can( 'read_post', $revision->ID ) ) |
---|
1812 | continue; |
---|
1813 | |
---|
1814 | $is_autosave = wp_is_post_autosave( $revision ); |
---|
1815 | if ( ( 'revision' === $type && $is_autosave ) || ( 'autosave' === $type && ! $is_autosave ) ) |
---|
1816 | continue; |
---|
1817 | |
---|
1818 | $rows .= "\t<li>" . wp_post_revision_title_expanded( $revision ) . "</li>\n"; |
---|
1819 | } |
---|
1820 | |
---|
1821 | echo "<div class='hide-if-js'><p>" . __( 'JavaScript must be enabled to use this feature.' ) . "</p></div>\n"; |
---|
1822 | |
---|
1823 | echo "<ul class='post-revisions hide-if-no-js'>\n"; |
---|
1824 | echo $rows; |
---|
1825 | echo "</ul>"; |
---|
1826 | } |
---|