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1 <?php |
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2 /** |
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3 * WordPress Link Template Functions |
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4 * |
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5 * @package WordPress |
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6 * @subpackage Template |
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7 */ |
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8 |
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9 /** |
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10 * Display the permalink for the current post. |
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11 * |
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12 * @since 1.2.0 |
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13 * @uses apply_filters() Calls 'the_permalink' filter on the permalink string. |
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14 */ |
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15 function the_permalink() { |
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16 echo esc_url( apply_filters( 'the_permalink', get_permalink() ) ); |
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17 } |
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18 |
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19 /** |
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20 * Retrieve trailing slash string, if blog set for adding trailing slashes. |
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21 * |
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22 * Conditionally adds a trailing slash if the permalink structure has a trailing |
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23 * slash, strips the trailing slash if not. The string is passed through the |
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24 * 'user_trailingslashit' filter. Will remove trailing slash from string, if |
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25 * blog is not set to have them. |
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26 * |
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27 * @since 2.2.0 |
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28 * @uses $wp_rewrite |
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29 * |
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30 * @param string $string URL with or without a trailing slash. |
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31 * @param string $type_of_url The type of URL being considered (e.g. single, category, etc) for use in the filter. |
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32 * @return string |
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33 */ |
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34 function user_trailingslashit($string, $type_of_url = '') { |
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35 global $wp_rewrite; |
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36 if ( $wp_rewrite->use_trailing_slashes ) |
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37 $string = trailingslashit($string); |
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38 else |
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39 $string = untrailingslashit($string); |
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40 |
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41 // Note that $type_of_url can be one of following: |
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42 // single, single_trackback, single_feed, single_paged, feed, category, page, year, month, day, paged, post_type_archive |
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43 $string = apply_filters('user_trailingslashit', $string, $type_of_url); |
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44 return $string; |
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45 } |
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46 |
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47 /** |
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48 * Display permalink anchor for current post. |
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49 * |
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50 * The permalink mode title will use the post title for the 'a' element 'id' |
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51 * attribute. The id mode uses 'post-' with the post ID for the 'id' attribute. |
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52 * |
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53 * @since 0.71 |
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54 * |
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55 * @param string $mode Permalink mode can be either 'title', 'id', or default, which is 'id'. |
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56 */ |
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57 function permalink_anchor( $mode = 'id' ) { |
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58 $post = get_post(); |
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59 switch ( strtolower( $mode ) ) { |
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60 case 'title': |
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61 $title = sanitize_title( $post->post_title ) . '-' . $post->ID; |
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62 echo '<a id="'.$title.'"></a>'; |
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63 break; |
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64 case 'id': |
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65 default: |
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66 echo '<a id="post-' . $post->ID . '"></a>'; |
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67 break; |
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68 } |
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69 } |
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70 |
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71 /** |
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72 * Retrieve full permalink for current post or post ID. |
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73 * |
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74 * @since 1.0.0 |
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75 * |
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76 * @param int|WP_Post $id Optional. Post ID or post object, defaults to the current post. |
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77 * @param bool $leavename Optional. Whether to keep post name or page name, defaults to false. |
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78 * @return string|bool The permalink URL or false if post does not exist. |
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79 */ |
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80 function get_permalink( $id = 0, $leavename = false ) { |
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81 $rewritecode = array( |
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82 '%year%', |
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83 '%monthnum%', |
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84 '%day%', |
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85 '%hour%', |
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86 '%minute%', |
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87 '%second%', |
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88 $leavename? '' : '%postname%', |
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89 '%post_id%', |
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90 '%category%', |
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91 '%author%', |
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92 $leavename? '' : '%pagename%', |
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93 ); |
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94 |
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95 if ( is_object($id) && isset($id->filter) && 'sample' == $id->filter ) { |
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96 $post = $id; |
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97 $sample = true; |
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98 } else { |
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99 $post = get_post($id); |
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100 $sample = false; |
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101 } |
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102 |
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103 if ( empty($post->ID) ) |
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104 return false; |
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105 |
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106 if ( $post->post_type == 'page' ) |
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107 return get_page_link($post->ID, $leavename, $sample); |
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108 elseif ( $post->post_type == 'attachment' ) |
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109 return get_attachment_link( $post->ID, $leavename ); |
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110 elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) ) |
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111 return get_post_permalink($post->ID, $leavename, $sample); |
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112 |
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113 $permalink = get_option('permalink_structure'); |
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114 |
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115 $permalink = apply_filters('pre_post_link', $permalink, $post, $leavename); |
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116 |
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117 if ( '' != $permalink && !in_array($post->post_status, array('draft', 'pending', 'auto-draft')) ) { |
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118 $unixtime = strtotime($post->post_date); |
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119 |
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120 $category = ''; |
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121 if ( strpos($permalink, '%category%') !== false ) { |
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122 $cats = get_the_category($post->ID); |
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123 if ( $cats ) { |
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124 usort($cats, '_usort_terms_by_ID'); // order by ID |
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125 $category_object = apply_filters( 'post_link_category', $cats[0], $cats, $post ); |
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126 $category_object = get_term( $category_object, 'category' ); |
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127 $category = $category_object->slug; |
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128 if ( $parent = $category_object->parent ) |
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129 $category = get_category_parents($parent, false, '/', true) . $category; |
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130 } |
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131 // show default category in permalinks, without |
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132 // having to assign it explicitly |
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133 if ( empty($category) ) { |
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134 $default_category = get_term( get_option( 'default_category' ), 'category' ); |
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135 $category = is_wp_error( $default_category ) ? '' : $default_category->slug; |
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136 } |
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137 } |
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138 |
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139 $author = ''; |
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140 if ( strpos($permalink, '%author%') !== false ) { |
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141 $authordata = get_userdata($post->post_author); |
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142 $author = $authordata->user_nicename; |
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143 } |
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144 |
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145 $date = explode(" ",date('Y m d H i s', $unixtime)); |
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146 $rewritereplace = |
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147 array( |
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148 $date[0], |
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149 $date[1], |
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150 $date[2], |
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151 $date[3], |
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152 $date[4], |
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153 $date[5], |
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154 $post->post_name, |
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155 $post->ID, |
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156 $category, |
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157 $author, |
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158 $post->post_name, |
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159 ); |
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160 $permalink = home_url( str_replace($rewritecode, $rewritereplace, $permalink) ); |
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161 $permalink = user_trailingslashit($permalink, 'single'); |
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162 } else { // if they're not using the fancy permalink option |
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163 $permalink = home_url('?p=' . $post->ID); |
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164 } |
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165 return apply_filters('post_link', $permalink, $post, $leavename); |
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166 } |
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167 |
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168 /** |
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169 * Retrieve the permalink for a post with a custom post type. |
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170 * |
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171 * @since 3.0.0 |
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172 * |
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173 * @param int $id Optional. Post ID. |
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174 * @param bool $leavename Optional, defaults to false. Whether to keep post name. |
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175 * @param bool $sample Optional, defaults to false. Is it a sample permalink. |
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176 * @return string |
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177 */ |
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178 function get_post_permalink( $id = 0, $leavename = false, $sample = false ) { |
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179 global $wp_rewrite; |
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180 |
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181 $post = get_post($id); |
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182 |
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183 if ( is_wp_error( $post ) ) |
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184 return $post; |
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185 |
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186 $post_link = $wp_rewrite->get_extra_permastruct($post->post_type); |
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187 |
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188 $slug = $post->post_name; |
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189 |
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190 $draft_or_pending = isset($post->post_status) && in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft' ) ); |
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191 |
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192 $post_type = get_post_type_object($post->post_type); |
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193 |
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194 if ( !empty($post_link) && ( !$draft_or_pending || $sample ) ) { |
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195 if ( ! $leavename ) { |
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196 if ( $post_type->hierarchical ) |
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197 $slug = get_page_uri($id); |
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198 $post_link = str_replace("%$post->post_type%", $slug, $post_link); |
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199 } |
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200 $post_link = home_url( user_trailingslashit($post_link) ); |
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201 } else { |
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202 if ( $post_type->query_var && ( isset($post->post_status) && !$draft_or_pending ) ) |
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203 $post_link = add_query_arg($post_type->query_var, $slug, ''); |
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204 else |
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205 $post_link = add_query_arg(array('post_type' => $post->post_type, 'p' => $post->ID), ''); |
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206 $post_link = home_url($post_link); |
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207 } |
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208 |
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209 return apply_filters('post_type_link', $post_link, $post, $leavename, $sample); |
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210 } |
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211 |
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212 /** |
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213 * Retrieve permalink from post ID. |
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214 * |
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215 * @since 1.0.0 |
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216 * |
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217 * @param int $post_id Optional. Post ID. |
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218 * @param mixed $deprecated Not used. |
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219 * @return string |
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220 */ |
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221 function post_permalink( $post_id = 0, $deprecated = '' ) { |
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222 if ( !empty( $deprecated ) ) |
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223 _deprecated_argument( __FUNCTION__, '1.3' ); |
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224 |
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225 return get_permalink($post_id); |
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226 } |
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227 |
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228 /** |
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229 * Retrieve the permalink for current page or page ID. |
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230 * |
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231 * Respects page_on_front. Use this one. |
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232 * |
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233 * @since 1.5.0 |
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234 * |
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235 * @param int|object $post Optional. Post ID or object. |
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236 * @param bool $leavename Optional, defaults to false. Whether to keep page name. |
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237 * @param bool $sample Optional, defaults to false. Is it a sample permalink. |
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238 * @return string |
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239 */ |
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240 function get_page_link( $post = false, $leavename = false, $sample = false ) { |
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241 $post = get_post( $post ); |
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242 |
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243 if ( 'page' == get_option( 'show_on_front' ) && $post->ID == get_option( 'page_on_front' ) ) |
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244 $link = home_url('/'); |
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245 else |
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246 $link = _get_page_link( $post, $leavename, $sample ); |
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247 |
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248 return apply_filters( 'page_link', $link, $post->ID, $sample ); |
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249 } |
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250 |
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251 /** |
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252 * Retrieve the page permalink. |
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253 * |
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254 * Ignores page_on_front. Internal use only. |
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255 * |
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256 * @since 2.1.0 |
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257 * @access private |
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258 * |
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259 * @param int|object $post Optional. Post ID or object. |
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260 * @param bool $leavename Optional. Leave name. |
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261 * @param bool $sample Optional. Sample permalink. |
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262 * @return string |
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263 */ |
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264 function _get_page_link( $post = false, $leavename = false, $sample = false ) { |
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265 global $wp_rewrite; |
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266 |
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267 $post = get_post( $post ); |
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268 |
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269 $draft_or_pending = in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft' ) ); |
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270 |
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271 $link = $wp_rewrite->get_page_permastruct(); |
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272 |
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273 if ( !empty($link) && ( ( isset($post->post_status) && !$draft_or_pending ) || $sample ) ) { |
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274 if ( ! $leavename ) { |
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275 $link = str_replace('%pagename%', get_page_uri( $post ), $link); |
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276 } |
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277 |
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278 $link = home_url($link); |
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279 $link = user_trailingslashit($link, 'page'); |
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280 } else { |
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281 $link = home_url( '?page_id=' . $post->ID ); |
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282 } |
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283 |
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284 return apply_filters( '_get_page_link', $link, $post->ID ); |
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285 } |
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286 |
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287 /** |
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288 * Retrieve permalink for attachment. |
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289 * |
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290 * This can be used in the WordPress Loop or outside of it. |
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291 * |
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292 * @since 2.0.0 |
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293 * |
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294 * @param int|object $post Optional. Post ID or object. |
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295 * @param bool $leavename Optional. Leave name. |
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296 * @return string |
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297 */ |
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298 function get_attachment_link( $post = null, $leavename = false ) { |
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299 global $wp_rewrite; |
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300 |
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301 $link = false; |
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302 |
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303 $post = get_post( $post ); |
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304 $parent = ( $post->post_parent > 0 && $post->post_parent != $post->ID ) ? get_post( $post->post_parent ) : false; |
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305 |
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306 if ( $wp_rewrite->using_permalinks() && $parent ) { |
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307 if ( 'page' == $parent->post_type ) |
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308 $parentlink = _get_page_link( $post->post_parent ); // Ignores page_on_front |
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309 else |
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310 $parentlink = get_permalink( $post->post_parent ); |
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311 |
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312 if ( is_numeric($post->post_name) || false !== strpos(get_option('permalink_structure'), '%category%') ) |
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313 $name = 'attachment/' . $post->post_name; // <permalink>/<int>/ is paged so we use the explicit attachment marker |
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314 else |
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315 $name = $post->post_name; |
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316 |
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317 if ( strpos($parentlink, '?') === false ) |
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318 $link = user_trailingslashit( trailingslashit($parentlink) . '%postname%' ); |
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319 |
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320 if ( ! $leavename ) |
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321 $link = str_replace( '%postname%', $name, $link ); |
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322 } |
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323 |
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324 if ( ! $link ) |
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325 $link = home_url( '/?attachment_id=' . $post->ID ); |
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326 |
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327 return apply_filters( 'attachment_link', $link, $post->ID ); |
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328 } |
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329 |
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330 /** |
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331 * Retrieve the permalink for the year archives. |
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332 * |
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333 * @since 1.5.0 |
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334 * |
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335 * @param int|bool $year False for current year or year for permalink. |
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336 * @return string |
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337 */ |
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338 function get_year_link($year) { |
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339 global $wp_rewrite; |
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340 if ( !$year ) |
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341 $year = gmdate('Y', current_time('timestamp')); |
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342 $yearlink = $wp_rewrite->get_year_permastruct(); |
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343 if ( !empty($yearlink) ) { |
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344 $yearlink = str_replace('%year%', $year, $yearlink); |
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345 return apply_filters('year_link', home_url( user_trailingslashit($yearlink, 'year') ), $year); |
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346 } else { |
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347 return apply_filters('year_link', home_url('?m=' . $year), $year); |
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348 } |
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349 } |
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350 |
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351 /** |
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352 * Retrieve the permalink for the month archives with year. |
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353 * |
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354 * @since 1.0.0 |
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355 * |
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356 * @param bool|int $year False for current year. Integer of year. |
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357 * @param bool|int $month False for current month. Integer of month. |
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358 * @return string |
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359 */ |
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360 function get_month_link($year, $month) { |
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361 global $wp_rewrite; |
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362 if ( !$year ) |
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363 $year = gmdate('Y', current_time('timestamp')); |
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364 if ( !$month ) |
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365 $month = gmdate('m', current_time('timestamp')); |
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366 $monthlink = $wp_rewrite->get_month_permastruct(); |
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367 if ( !empty($monthlink) ) { |
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368 $monthlink = str_replace('%year%', $year, $monthlink); |
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369 $monthlink = str_replace('%monthnum%', zeroise(intval($month), 2), $monthlink); |
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370 return apply_filters('month_link', home_url( user_trailingslashit($monthlink, 'month') ), $year, $month); |
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371 } else { |
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372 return apply_filters('month_link', home_url( '?m=' . $year . zeroise($month, 2) ), $year, $month); |
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373 } |
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374 } |
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375 |
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376 /** |
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377 * Retrieve the permalink for the day archives with year and month. |
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378 * |
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379 * @since 1.0.0 |
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380 * |
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381 * @param bool|int $year False for current year. Integer of year. |
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382 * @param bool|int $month False for current month. Integer of month. |
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383 * @param bool|int $day False for current day. Integer of day. |
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384 * @return string |
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385 */ |
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386 function get_day_link($year, $month, $day) { |
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387 global $wp_rewrite; |
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388 if ( !$year ) |
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389 $year = gmdate('Y', current_time('timestamp')); |
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390 if ( !$month ) |
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391 $month = gmdate('m', current_time('timestamp')); |
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392 if ( !$day ) |
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393 $day = gmdate('j', current_time('timestamp')); |
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394 |
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395 $daylink = $wp_rewrite->get_day_permastruct(); |
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396 if ( !empty($daylink) ) { |
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397 $daylink = str_replace('%year%', $year, $daylink); |
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398 $daylink = str_replace('%monthnum%', zeroise(intval($month), 2), $daylink); |
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399 $daylink = str_replace('%day%', zeroise(intval($day), 2), $daylink); |
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400 return apply_filters('day_link', home_url( user_trailingslashit($daylink, 'day') ), $year, $month, $day); |
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401 } else { |
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402 return apply_filters('day_link', home_url( '?m=' . $year . zeroise($month, 2) . zeroise($day, 2) ), $year, $month, $day); |
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403 } |
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404 } |
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405 |
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406 /** |
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407 * Display the permalink for the feed type. |
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408 * |
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409 * @since 3.0.0 |
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410 * |
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411 * @param string $anchor The link's anchor text. |
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412 * @param string $feed Optional, defaults to default feed. Feed type. |
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413 */ |
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414 function the_feed_link( $anchor, $feed = '' ) { |
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415 $link = '<a href="' . esc_url( get_feed_link( $feed ) ) . '">' . $anchor . '</a>'; |
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416 echo apply_filters( 'the_feed_link', $link, $feed ); |
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417 } |
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418 |
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419 /** |
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420 * Retrieve the permalink for the feed type. |
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421 * |
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422 * @since 1.5.0 |
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423 * |
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424 * @param string $feed Optional, defaults to default feed. Feed type. |
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425 * @return string |
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426 */ |
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427 function get_feed_link($feed = '') { |
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428 global $wp_rewrite; |
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429 |
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430 $permalink = $wp_rewrite->get_feed_permastruct(); |
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431 if ( '' != $permalink ) { |
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432 if ( false !== strpos($feed, 'comments_') ) { |
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433 $feed = str_replace('comments_', '', $feed); |
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434 $permalink = $wp_rewrite->get_comment_feed_permastruct(); |
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435 } |
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436 |
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437 if ( get_default_feed() == $feed ) |
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438 $feed = ''; |
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439 |
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440 $permalink = str_replace('%feed%', $feed, $permalink); |
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441 $permalink = preg_replace('#/+#', '/', "/$permalink"); |
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442 $output = home_url( user_trailingslashit($permalink, 'feed') ); |
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443 } else { |
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444 if ( empty($feed) ) |
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445 $feed = get_default_feed(); |
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446 |
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447 if ( false !== strpos($feed, 'comments_') ) |
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448 $feed = str_replace('comments_', 'comments-', $feed); |
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449 |
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450 $output = home_url("?feed={$feed}"); |
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451 } |
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452 |
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453 return apply_filters('feed_link', $output, $feed); |
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454 } |
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455 |
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456 /** |
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457 * Retrieve the permalink for the post comments feed. |
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458 * |
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459 * @since 2.2.0 |
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460 * |
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461 * @param int $post_id Optional. Post ID. |
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462 * @param string $feed Optional. Feed type. |
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463 * @return string |
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464 */ |
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465 function get_post_comments_feed_link($post_id = 0, $feed = '') { |
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466 $post_id = absint( $post_id ); |
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467 |
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468 if ( ! $post_id ) |
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469 $post_id = get_the_ID(); |
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470 |
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471 if ( empty( $feed ) ) |
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472 $feed = get_default_feed(); |
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473 |
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474 if ( '' != get_option('permalink_structure') ) { |
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475 if ( 'page' == get_option('show_on_front') && $post_id == get_option('page_on_front') ) |
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476 $url = _get_page_link( $post_id ); |
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477 else |
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478 $url = get_permalink($post_id); |
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479 |
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480 $url = trailingslashit($url) . 'feed'; |
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481 if ( $feed != get_default_feed() ) |
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482 $url .= "/$feed"; |
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483 $url = user_trailingslashit($url, 'single_feed'); |
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484 } else { |
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485 $type = get_post_field('post_type', $post_id); |
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486 if ( 'page' == $type ) |
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487 $url = add_query_arg( array( 'feed' => $feed, 'page_id' => $post_id ), home_url( '/' ) ); |
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488 else |
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489 $url = add_query_arg( array( 'feed' => $feed, 'p' => $post_id ), home_url( '/' ) ); |
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490 } |
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491 |
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492 return apply_filters('post_comments_feed_link', $url); |
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493 } |
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494 |
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495 /** |
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496 * Display the comment feed link for a post. |
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497 * |
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498 * Prints out the comment feed link for a post. Link text is placed in the |
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499 * anchor. If no link text is specified, default text is used. If no post ID is |
|
500 * specified, the current post is used. |
|
501 * |
|
502 * @package WordPress |
|
503 * @subpackage Feed |
|
504 * @since 2.5.0 |
|
505 * |
|
506 * @param string $link_text Descriptive text. |
|
507 * @param int $post_id Optional post ID. Default to current post. |
|
508 * @param string $feed Optional. Feed format. |
|
509 * @return string Link to the comment feed for the current post. |
|
510 */ |
|
511 function post_comments_feed_link( $link_text = '', $post_id = '', $feed = '' ) { |
|
512 $url = esc_url( get_post_comments_feed_link( $post_id, $feed ) ); |
|
513 if ( empty($link_text) ) |
|
514 $link_text = __('Comments Feed'); |
|
515 |
|
516 echo apply_filters( 'post_comments_feed_link_html', "<a href='$url'>$link_text</a>", $post_id, $feed ); |
|
517 } |
|
518 |
|
519 /** |
|
520 * Retrieve the feed link for a given author. |
|
521 * |
|
522 * Returns a link to the feed for all posts by a given author. A specific feed |
|
523 * can be requested or left blank to get the default feed. |
|
524 * |
|
525 * @package WordPress |
|
526 * @subpackage Feed |
|
527 * @since 2.5.0 |
|
528 * |
|
529 * @param int $author_id ID of an author. |
|
530 * @param string $feed Optional. Feed type. |
|
531 * @return string Link to the feed for the author specified by $author_id. |
|
532 */ |
|
533 function get_author_feed_link( $author_id, $feed = '' ) { |
|
534 $author_id = (int) $author_id; |
|
535 $permalink_structure = get_option('permalink_structure'); |
|
536 |
|
537 if ( empty($feed) ) |
|
538 $feed = get_default_feed(); |
|
539 |
|
540 if ( '' == $permalink_structure ) { |
|
541 $link = home_url("?feed=$feed&author=" . $author_id); |
|
542 } else { |
|
543 $link = get_author_posts_url($author_id); |
|
544 if ( $feed == get_default_feed() ) |
|
545 $feed_link = 'feed'; |
|
546 else |
|
547 $feed_link = "feed/$feed"; |
|
548 |
|
549 $link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed'); |
|
550 } |
|
551 |
|
552 $link = apply_filters('author_feed_link', $link, $feed); |
|
553 |
|
554 return $link; |
|
555 } |
|
556 |
|
557 /** |
|
558 * Retrieve the feed link for a category. |
|
559 * |
|
560 * Returns a link to the feed for all posts in a given category. A specific feed |
|
561 * can be requested or left blank to get the default feed. |
|
562 * |
|
563 * @package WordPress |
|
564 * @subpackage Feed |
|
565 * @since 2.5.0 |
|
566 * |
|
567 * @param int $cat_id ID of a category. |
|
568 * @param string $feed Optional. Feed type. |
|
569 * @return string Link to the feed for the category specified by $cat_id. |
|
570 */ |
|
571 function get_category_feed_link($cat_id, $feed = '') { |
|
572 return get_term_feed_link($cat_id, 'category', $feed); |
|
573 } |
|
574 |
|
575 /** |
|
576 * Retrieve the feed link for a term. |
|
577 * |
|
578 * Returns a link to the feed for all posts in a given term. A specific feed |
|
579 * can be requested or left blank to get the default feed. |
|
580 * |
|
581 * @since 3.0 |
|
582 * |
|
583 * @param int $term_id ID of a category. |
|
584 * @param string $taxonomy Optional. Taxonomy of $term_id |
|
585 * @param string $feed Optional. Feed type. |
|
586 * @return string Link to the feed for the term specified by $term_id and $taxonomy. |
|
587 */ |
|
588 function get_term_feed_link( $term_id, $taxonomy = 'category', $feed = '' ) { |
|
589 $term_id = ( int ) $term_id; |
|
590 |
|
591 $term = get_term( $term_id, $taxonomy ); |
|
592 |
|
593 if ( empty( $term ) || is_wp_error( $term ) ) |
|
594 return false; |
|
595 |
|
596 if ( empty( $feed ) ) |
|
597 $feed = get_default_feed(); |
|
598 |
|
599 $permalink_structure = get_option( 'permalink_structure' ); |
|
600 |
|
601 if ( '' == $permalink_structure ) { |
|
602 if ( 'category' == $taxonomy ) { |
|
603 $link = home_url("?feed=$feed&cat=$term_id"); |
|
604 } |
|
605 elseif ( 'post_tag' == $taxonomy ) { |
|
606 $link = home_url("?feed=$feed&tag=$term->slug"); |
|
607 } else { |
|
608 $t = get_taxonomy( $taxonomy ); |
|
609 $link = home_url("?feed=$feed&$t->query_var=$term->slug"); |
|
610 } |
|
611 } else { |
|
612 $link = get_term_link( $term_id, $term->taxonomy ); |
|
613 if ( $feed == get_default_feed() ) |
|
614 $feed_link = 'feed'; |
|
615 else |
|
616 $feed_link = "feed/$feed"; |
|
617 |
|
618 $link = trailingslashit( $link ) . user_trailingslashit( $feed_link, 'feed' ); |
|
619 } |
|
620 |
|
621 if ( 'category' == $taxonomy ) |
|
622 $link = apply_filters( 'category_feed_link', $link, $feed ); |
|
623 elseif ( 'post_tag' == $taxonomy ) |
|
624 $link = apply_filters( 'tag_feed_link', $link, $feed ); |
|
625 else |
|
626 $link = apply_filters( 'taxonomy_feed_link', $link, $feed, $taxonomy ); |
|
627 |
|
628 return $link; |
|
629 } |
|
630 |
|
631 /** |
|
632 * Retrieve permalink for feed of tag. |
|
633 * |
|
634 * @since 2.3.0 |
|
635 * |
|
636 * @param int $tag_id Tag ID. |
|
637 * @param string $feed Optional. Feed type. |
|
638 * @return string |
|
639 */ |
|
640 function get_tag_feed_link($tag_id, $feed = '') { |
|
641 return get_term_feed_link($tag_id, 'post_tag', $feed); |
|
642 } |
|
643 |
|
644 /** |
|
645 * Retrieve edit tag link. |
|
646 * |
|
647 * @since 2.7.0 |
|
648 * |
|
649 * @param int $tag_id Tag ID |
|
650 * @param string $taxonomy Taxonomy |
|
651 * @return string |
|
652 */ |
|
653 function get_edit_tag_link( $tag_id, $taxonomy = 'post_tag' ) { |
|
654 return apply_filters( 'get_edit_tag_link', get_edit_term_link( $tag_id, $taxonomy ) ); |
|
655 } |
|
656 |
|
657 /** |
|
658 * Display or retrieve edit tag link with formatting. |
|
659 * |
|
660 * @since 2.7.0 |
|
661 * |
|
662 * @param string $link Optional. Anchor text. |
|
663 * @param string $before Optional. Display before edit link. |
|
664 * @param string $after Optional. Display after edit link. |
|
665 * @param object $tag Tag object. |
|
666 * @return string HTML content. |
|
667 */ |
|
668 function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) { |
|
669 $link = edit_term_link( $link, '', '', $tag, false ); |
|
670 echo $before . apply_filters( 'edit_tag_link', $link ) . $after; |
|
671 } |
|
672 |
|
673 /** |
|
674 * Retrieve edit term url. |
|
675 * |
|
676 * @since 3.1.0 |
|
677 * |
|
678 * @param int $term_id Term ID |
|
679 * @param string $taxonomy Taxonomy |
|
680 * @param string $object_type The object type |
|
681 * @return string |
|
682 */ |
|
683 function get_edit_term_link( $term_id, $taxonomy, $object_type = '' ) { |
|
684 $tax = get_taxonomy( $taxonomy ); |
|
685 if ( !current_user_can( $tax->cap->edit_terms ) ) |
|
686 return; |
|
687 |
|
688 $term = get_term( $term_id, $taxonomy ); |
|
689 |
|
690 $args = array( |
|
691 'action' => 'edit', |
|
692 'taxonomy' => $taxonomy, |
|
693 'tag_ID' => $term->term_id, |
|
694 ); |
|
695 |
|
696 if ( $object_type ) |
|
697 $args['post_type'] = $object_type; |
|
698 |
|
699 $location = add_query_arg( $args, admin_url( 'edit-tags.php' ) ); |
|
700 |
|
701 return apply_filters( 'get_edit_term_link', $location, $term_id, $taxonomy, $object_type ); |
|
702 } |
|
703 |
|
704 /** |
|
705 * Display or retrieve edit term link with formatting. |
|
706 * |
|
707 * @since 3.1.0 |
|
708 * |
|
709 * @param string $link Optional. Anchor text. |
|
710 * @param string $before Optional. Display before edit link. |
|
711 * @param string $after Optional. Display after edit link. |
|
712 * @param object $term Term object. |
|
713 * @return string HTML content. |
|
714 */ |
|
715 function edit_term_link( $link = '', $before = '', $after = '', $term = null, $echo = true ) { |
|
716 if ( is_null( $term ) ) |
|
717 $term = get_queried_object(); |
|
718 |
|
719 if ( ! $term ) |
|
720 return; |
|
721 |
|
722 $tax = get_taxonomy( $term->taxonomy ); |
|
723 if ( ! current_user_can( $tax->cap->edit_terms ) ) |
|
724 return; |
|
725 |
|
726 if ( empty( $link ) ) |
|
727 $link = __('Edit This'); |
|
728 |
|
729 $link = '<a href="' . get_edit_term_link( $term->term_id, $term->taxonomy ) . '">' . $link . '</a>'; |
|
730 $link = $before . apply_filters( 'edit_term_link', $link, $term->term_id ) . $after; |
|
731 |
|
732 if ( $echo ) |
|
733 echo $link; |
|
734 else |
|
735 return $link; |
|
736 } |
|
737 |
|
738 /** |
|
739 * Retrieve permalink for search. |
|
740 * |
|
741 * @since 3.0.0 |
|
742 * @param string $query Optional. The query string to use. If empty the current query is used. |
|
743 * @return string |
|
744 */ |
|
745 function get_search_link( $query = '' ) { |
|
746 global $wp_rewrite; |
|
747 |
|
748 if ( empty($query) ) |
|
749 $search = get_search_query( false ); |
|
750 else |
|
751 $search = stripslashes($query); |
|
752 |
|
753 $permastruct = $wp_rewrite->get_search_permastruct(); |
|
754 |
|
755 if ( empty( $permastruct ) ) { |
|
756 $link = home_url('?s=' . urlencode($search) ); |
|
757 } else { |
|
758 $search = urlencode($search); |
|
759 $search = str_replace('%2F', '/', $search); // %2F(/) is not valid within a URL, send it unencoded. |
|
760 $link = str_replace( '%search%', $search, $permastruct ); |
|
761 $link = home_url( user_trailingslashit( $link, 'search' ) ); |
|
762 } |
|
763 |
|
764 return apply_filters( 'search_link', $link, $search ); |
|
765 } |
|
766 |
|
767 /** |
|
768 * Retrieve the permalink for the feed of the search results. |
|
769 * |
|
770 * @since 2.5.0 |
|
771 * |
|
772 * @param string $search_query Optional. Search query. |
|
773 * @param string $feed Optional. Feed type. |
|
774 * @return string |
|
775 */ |
|
776 function get_search_feed_link($search_query = '', $feed = '') { |
|
777 global $wp_rewrite; |
|
778 $link = get_search_link($search_query); |
|
779 |
|
780 if ( empty($feed) ) |
|
781 $feed = get_default_feed(); |
|
782 |
|
783 $permastruct = $wp_rewrite->get_search_permastruct(); |
|
784 |
|
785 if ( empty($permastruct) ) { |
|
786 $link = add_query_arg('feed', $feed, $link); |
|
787 } else { |
|
788 $link = trailingslashit($link); |
|
789 $link .= "feed/$feed/"; |
|
790 } |
|
791 |
|
792 $link = apply_filters('search_feed_link', $link, $feed, 'posts'); |
|
793 |
|
794 return $link; |
|
795 } |
|
796 |
|
797 /** |
|
798 * Retrieve the permalink for the comments feed of the search results. |
|
799 * |
|
800 * @since 2.5.0 |
|
801 * |
|
802 * @param string $search_query Optional. Search query. |
|
803 * @param string $feed Optional. Feed type. |
|
804 * @return string |
|
805 */ |
|
806 function get_search_comments_feed_link($search_query = '', $feed = '') { |
|
807 global $wp_rewrite; |
|
808 |
|
809 if ( empty($feed) ) |
|
810 $feed = get_default_feed(); |
|
811 |
|
812 $link = get_search_feed_link($search_query, $feed); |
|
813 |
|
814 $permastruct = $wp_rewrite->get_search_permastruct(); |
|
815 |
|
816 if ( empty($permastruct) ) |
|
817 $link = add_query_arg('feed', 'comments-' . $feed, $link); |
|
818 else |
|
819 $link = add_query_arg('withcomments', 1, $link); |
|
820 |
|
821 $link = apply_filters('search_feed_link', $link, $feed, 'comments'); |
|
822 |
|
823 return $link; |
|
824 } |
|
825 |
|
826 /** |
|
827 * Retrieve the permalink for a post type archive. |
|
828 * |
|
829 * @since 3.1.0 |
|
830 * |
|
831 * @param string $post_type Post type |
|
832 * @return string |
|
833 */ |
|
834 function get_post_type_archive_link( $post_type ) { |
|
835 global $wp_rewrite; |
|
836 if ( ! $post_type_obj = get_post_type_object( $post_type ) ) |
|
837 return false; |
|
838 |
|
839 if ( ! $post_type_obj->has_archive ) |
|
840 return false; |
|
841 |
|
842 if ( get_option( 'permalink_structure' ) && is_array( $post_type_obj->rewrite ) ) { |
|
843 $struct = ( true === $post_type_obj->has_archive ) ? $post_type_obj->rewrite['slug'] : $post_type_obj->has_archive; |
|
844 if ( $post_type_obj->rewrite['with_front'] ) |
|
845 $struct = $wp_rewrite->front . $struct; |
|
846 else |
|
847 $struct = $wp_rewrite->root . $struct; |
|
848 $link = home_url( user_trailingslashit( $struct, 'post_type_archive' ) ); |
|
849 } else { |
|
850 $link = home_url( '?post_type=' . $post_type ); |
|
851 } |
|
852 |
|
853 return apply_filters( 'post_type_archive_link', $link, $post_type ); |
|
854 } |
|
855 |
|
856 /** |
|
857 * Retrieve the permalink for a post type archive feed. |
|
858 * |
|
859 * @since 3.1.0 |
|
860 * |
|
861 * @param string $post_type Post type |
|
862 * @param string $feed Optional. Feed type |
|
863 * @return string |
|
864 */ |
|
865 function get_post_type_archive_feed_link( $post_type, $feed = '' ) { |
|
866 $default_feed = get_default_feed(); |
|
867 if ( empty( $feed ) ) |
|
868 $feed = $default_feed; |
|
869 |
|
870 if ( ! $link = get_post_type_archive_link( $post_type ) ) |
|
871 return false; |
|
872 |
|
873 $post_type_obj = get_post_type_object( $post_type ); |
|
874 if ( get_option( 'permalink_structure' ) && is_array( $post_type_obj->rewrite ) && $post_type_obj->rewrite['feeds'] ) { |
|
875 $link = trailingslashit( $link ); |
|
876 $link .= 'feed/'; |
|
877 if ( $feed != $default_feed ) |
|
878 $link .= "$feed/"; |
|
879 } else { |
|
880 $link = add_query_arg( 'feed', $feed, $link ); |
|
881 } |
|
882 |
|
883 return apply_filters( 'post_type_archive_feed_link', $link, $feed ); |
|
884 } |
|
885 |
|
886 /** |
|
887 * Retrieve edit posts link for post. |
|
888 * |
|
889 * Can be used within the WordPress loop or outside of it. Can be used with |
|
890 * pages, posts, attachments, and revisions. |
|
891 * |
|
892 * @since 2.3.0 |
|
893 * |
|
894 * @param int $id Optional. Post ID. |
|
895 * @param string $context Optional, defaults to display. How to write the '&', defaults to '&'. |
|
896 * @return string |
|
897 */ |
|
898 function get_edit_post_link( $id = 0, $context = 'display' ) { |
|
899 if ( ! $post = get_post( $id ) ) |
|
900 return; |
|
901 |
|
902 if ( 'revision' === $post->post_type ) |
|
903 $action = ''; |
|
904 elseif ( 'display' == $context ) |
|
905 $action = '&action=edit'; |
|
906 else |
|
907 $action = '&action=edit'; |
|
908 |
|
909 $post_type_object = get_post_type_object( $post->post_type ); |
|
910 if ( !$post_type_object ) |
|
911 return; |
|
912 |
|
913 if ( !current_user_can( 'edit_post', $post->ID ) ) |
|
914 return; |
|
915 |
|
916 return apply_filters( 'get_edit_post_link', admin_url( sprintf($post_type_object->_edit_link . $action, $post->ID) ), $post->ID, $context ); |
|
917 } |
|
918 |
|
919 /** |
|
920 * Display edit post link for post. |
|
921 * |
|
922 * @since 1.0.0 |
|
923 * |
|
924 * @param string $link Optional. Anchor text. |
|
925 * @param string $before Optional. Display before edit link. |
|
926 * @param string $after Optional. Display after edit link. |
|
927 * @param int $id Optional. Post ID. |
|
928 */ |
|
929 function edit_post_link( $link = null, $before = '', $after = '', $id = 0 ) { |
|
930 if ( !$post = get_post( $id ) ) |
|
931 return; |
|
932 |
|
933 if ( !$url = get_edit_post_link( $post->ID ) ) |
|
934 return; |
|
935 |
|
936 if ( null === $link ) |
|
937 $link = __('Edit This'); |
|
938 |
|
939 $post_type_obj = get_post_type_object( $post->post_type ); |
|
940 $link = '<a class="post-edit-link" href="' . $url . '">' . $link . '</a>'; |
|
941 echo $before . apply_filters( 'edit_post_link', $link, $post->ID ) . $after; |
|
942 } |
|
943 |
|
944 /** |
|
945 * Retrieve delete posts link for post. |
|
946 * |
|
947 * Can be used within the WordPress loop or outside of it, with any post type. |
|
948 * |
|
949 * @since 2.9.0 |
|
950 * |
|
951 * @param int $id Optional. Post ID. |
|
952 * @param string $deprecated Not used. |
|
953 * @param bool $force_delete Whether to bypass trash and force deletion. Default is false. |
|
954 * @return string |
|
955 */ |
|
956 function get_delete_post_link( $id = 0, $deprecated = '', $force_delete = false ) { |
|
957 if ( ! empty( $deprecated ) ) |
|
958 _deprecated_argument( __FUNCTION__, '3.0' ); |
|
959 |
|
960 if ( !$post = get_post( $id ) ) |
|
961 return; |
|
962 |
|
963 $post_type_object = get_post_type_object( $post->post_type ); |
|
964 if ( !$post_type_object ) |
|
965 return; |
|
966 |
|
967 if ( !current_user_can( 'delete_post', $post->ID ) ) |
|
968 return; |
|
969 |
|
970 $action = ( $force_delete || !EMPTY_TRASH_DAYS ) ? 'delete' : 'trash'; |
|
971 |
|
972 $delete_link = add_query_arg( 'action', $action, admin_url( sprintf( $post_type_object->_edit_link, $post->ID ) ) ); |
|
973 |
|
974 return apply_filters( 'get_delete_post_link', wp_nonce_url( $delete_link, "$action-post_{$post->ID}" ), $post->ID, $force_delete ); |
|
975 } |
|
976 |
|
977 /** |
|
978 * Retrieve edit comment link. |
|
979 * |
|
980 * @since 2.3.0 |
|
981 * |
|
982 * @param int $comment_id Optional. Comment ID. |
|
983 * @return string |
|
984 */ |
|
985 function get_edit_comment_link( $comment_id = 0 ) { |
|
986 $comment = get_comment( $comment_id ); |
|
987 |
|
988 if ( !current_user_can( 'edit_comment', $comment->comment_ID ) ) |
|
989 return; |
|
990 |
|
991 $location = admin_url('comment.php?action=editcomment&c=') . $comment->comment_ID; |
|
992 return apply_filters( 'get_edit_comment_link', $location ); |
|
993 } |
|
994 |
|
995 /** |
|
996 * Display or retrieve edit comment link with formatting. |
|
997 * |
|
998 * @since 1.0.0 |
|
999 * |
|
1000 * @param string $link Optional. Anchor text. |
|
1001 * @param string $before Optional. Display before edit link. |
|
1002 * @param string $after Optional. Display after edit link. |
|
1003 * @return string|null HTML content, if $echo is set to false. |
|
1004 */ |
|
1005 function edit_comment_link( $link = null, $before = '', $after = '' ) { |
|
1006 global $comment; |
|
1007 |
|
1008 if ( !current_user_can( 'edit_comment', $comment->comment_ID ) ) |
|
1009 return; |
|
1010 |
|
1011 if ( null === $link ) |
|
1012 $link = __('Edit This'); |
|
1013 |
|
1014 $link = '<a class="comment-edit-link" href="' . get_edit_comment_link( $comment->comment_ID ) . '">' . $link . '</a>'; |
|
1015 echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID ) . $after; |
|
1016 } |
|
1017 |
|
1018 /** |
|
1019 * Display edit bookmark (literally a URL external to blog) link. |
|
1020 * |
|
1021 * @since 2.7.0 |
|
1022 * |
|
1023 * @param int $link Optional. Bookmark ID. |
|
1024 * @return string |
|
1025 */ |
|
1026 function get_edit_bookmark_link( $link = 0 ) { |
|
1027 $link = get_bookmark( $link ); |
|
1028 |
|
1029 if ( !current_user_can('manage_links') ) |
|
1030 return; |
|
1031 |
|
1032 $location = admin_url('link.php?action=edit&link_id=') . $link->link_id; |
|
1033 return apply_filters( 'get_edit_bookmark_link', $location, $link->link_id ); |
|
1034 } |
|
1035 |
|
1036 /** |
|
1037 * Display edit bookmark (literally a URL external to blog) link anchor content. |
|
1038 * |
|
1039 * @since 2.7.0 |
|
1040 * |
|
1041 * @param string $link Optional. Anchor text. |
|
1042 * @param string $before Optional. Display before edit link. |
|
1043 * @param string $after Optional. Display after edit link. |
|
1044 * @param int $bookmark Optional. Bookmark ID. |
|
1045 */ |
|
1046 function edit_bookmark_link( $link = '', $before = '', $after = '', $bookmark = null ) { |
|
1047 $bookmark = get_bookmark($bookmark); |
|
1048 |
|
1049 if ( !current_user_can('manage_links') ) |
|
1050 return; |
|
1051 |
|
1052 if ( empty($link) ) |
|
1053 $link = __('Edit This'); |
|
1054 |
|
1055 $link = '<a href="' . get_edit_bookmark_link( $bookmark ) . '">' . $link . '</a>'; |
|
1056 echo $before . apply_filters( 'edit_bookmark_link', $link, $bookmark->link_id ) . $after; |
|
1057 } |
|
1058 |
|
1059 /** |
|
1060 * Retrieve edit user link |
|
1061 * |
|
1062 * @since 3.5.0 |
|
1063 * |
|
1064 * @param int $user_id Optional. User ID. Defaults to the current user. |
|
1065 * @return string URL to edit user page or empty string. |
|
1066 */ |
|
1067 function get_edit_user_link( $user_id = null ) { |
|
1068 if ( ! $user_id ) |
|
1069 $user_id = get_current_user_id(); |
|
1070 |
|
1071 if ( empty( $user_id ) || ! current_user_can( 'edit_user', $user_id ) ) |
|
1072 return ''; |
|
1073 |
|
1074 $user = get_userdata( $user_id ); |
|
1075 |
|
1076 if ( ! $user ) |
|
1077 return ''; |
|
1078 |
|
1079 if ( get_current_user_id() == $user->ID ) |
|
1080 $link = get_edit_profile_url( $user->ID ); |
|
1081 else |
|
1082 $link = add_query_arg( 'user_id', $user->ID, self_admin_url( 'user-edit.php' ) ); |
|
1083 |
|
1084 return apply_filters( 'get_edit_user_link', $link, $user->ID ); |
|
1085 } |
|
1086 |
|
1087 // Navigation links |
|
1088 |
|
1089 /** |
|
1090 * Retrieve previous post that is adjacent to current post. |
|
1091 * |
|
1092 * @since 1.5.0 |
|
1093 * |
|
1094 * @param bool $in_same_cat Optional. Whether post should be in a same category. |
|
1095 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1096 * @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists. |
|
1097 */ |
|
1098 function get_previous_post($in_same_cat = false, $excluded_categories = '') { |
|
1099 return get_adjacent_post($in_same_cat, $excluded_categories); |
|
1100 } |
|
1101 |
|
1102 /** |
|
1103 * Retrieve next post that is adjacent to current post. |
|
1104 * |
|
1105 * @since 1.5.0 |
|
1106 * |
|
1107 * @param bool $in_same_cat Optional. Whether post should be in a same category. |
|
1108 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1109 * @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists. |
|
1110 */ |
|
1111 function get_next_post($in_same_cat = false, $excluded_categories = '') { |
|
1112 return get_adjacent_post($in_same_cat, $excluded_categories, false); |
|
1113 } |
|
1114 |
|
1115 /** |
|
1116 * Retrieve adjacent post. |
|
1117 * |
|
1118 * Can either be next or previous post. |
|
1119 * |
|
1120 * @since 2.5.0 |
|
1121 * |
|
1122 * @param bool $in_same_cat Optional. Whether post should be in a same category. |
|
1123 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1124 * @param bool $previous Optional. Whether to retrieve previous post. |
|
1125 * @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists. |
|
1126 */ |
|
1127 function get_adjacent_post( $in_same_cat = false, $excluded_categories = '', $previous = true ) { |
|
1128 global $wpdb; |
|
1129 |
|
1130 if ( ! $post = get_post() ) |
|
1131 return null; |
|
1132 |
|
1133 $current_post_date = $post->post_date; |
|
1134 |
|
1135 $join = ''; |
|
1136 $posts_in_ex_cats_sql = ''; |
|
1137 if ( $in_same_cat || ! empty( $excluded_categories ) ) { |
|
1138 $join = " INNER JOIN $wpdb->term_relationships AS tr ON p.ID = tr.object_id INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id"; |
|
1139 |
|
1140 if ( $in_same_cat ) { |
|
1141 if ( ! is_object_in_taxonomy( $post->post_type, 'category' ) ) |
|
1142 return ''; |
|
1143 $cat_array = wp_get_object_terms($post->ID, 'category', array('fields' => 'ids')); |
|
1144 if ( ! $cat_array || is_wp_error( $cat_array ) ) |
|
1145 return ''; |
|
1146 $join .= " AND tt.taxonomy = 'category' AND tt.term_id IN (" . implode(',', $cat_array) . ")"; |
|
1147 } |
|
1148 |
|
1149 $posts_in_ex_cats_sql = "AND tt.taxonomy = 'category'"; |
|
1150 if ( ! empty( $excluded_categories ) ) { |
|
1151 if ( ! is_array( $excluded_categories ) ) { |
|
1152 // back-compat, $excluded_categories used to be IDs separated by " and " |
|
1153 if ( strpos( $excluded_categories, ' and ' ) !== false ) { |
|
1154 _deprecated_argument( __FUNCTION__, '3.3', sprintf( __( 'Use commas instead of %s to separate excluded categories.' ), "'and'" ) ); |
|
1155 $excluded_categories = explode( ' and ', $excluded_categories ); |
|
1156 } else { |
|
1157 $excluded_categories = explode( ',', $excluded_categories ); |
|
1158 } |
|
1159 } |
|
1160 |
|
1161 $excluded_categories = array_map( 'intval', $excluded_categories ); |
|
1162 |
|
1163 if ( ! empty( $cat_array ) ) { |
|
1164 $excluded_categories = array_diff($excluded_categories, $cat_array); |
|
1165 $posts_in_ex_cats_sql = ''; |
|
1166 } |
|
1167 |
|
1168 if ( !empty($excluded_categories) ) { |
|
1169 $posts_in_ex_cats_sql = " AND tt.taxonomy = 'category' AND tt.term_id NOT IN (" . implode($excluded_categories, ',') . ')'; |
|
1170 } |
|
1171 } |
|
1172 } |
|
1173 |
|
1174 $adjacent = $previous ? 'previous' : 'next'; |
|
1175 $op = $previous ? '<' : '>'; |
|
1176 $order = $previous ? 'DESC' : 'ASC'; |
|
1177 |
|
1178 $join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_cat, $excluded_categories ); |
|
1179 $where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $posts_in_ex_cats_sql", $current_post_date, $post->post_type), $in_same_cat, $excluded_categories ); |
|
1180 $sort = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" ); |
|
1181 |
|
1182 $query = "SELECT p.ID FROM $wpdb->posts AS p $join $where $sort"; |
|
1183 $query_key = 'adjacent_post_' . md5($query); |
|
1184 $result = wp_cache_get($query_key, 'counts'); |
|
1185 if ( false !== $result ) { |
|
1186 if ( $result ) |
|
1187 $result = get_post( $result ); |
|
1188 return $result; |
|
1189 } |
|
1190 |
|
1191 $result = $wpdb->get_var( $query ); |
|
1192 if ( null === $result ) |
|
1193 $result = ''; |
|
1194 |
|
1195 wp_cache_set($query_key, $result, 'counts'); |
|
1196 |
|
1197 if ( $result ) |
|
1198 $result = get_post( $result ); |
|
1199 |
|
1200 return $result; |
|
1201 } |
|
1202 |
|
1203 /** |
|
1204 * Get adjacent post relational link. |
|
1205 * |
|
1206 * Can either be next or previous post relational link. |
|
1207 * |
|
1208 * @since 2.8.0 |
|
1209 * |
|
1210 * @param string $title Optional. Link title format. |
|
1211 * @param bool $in_same_cat Optional. Whether link should be in a same category. |
|
1212 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1213 * @param bool $previous Optional, default is true. Whether to display link to previous or next post. |
|
1214 * @return string |
|
1215 */ |
|
1216 function get_adjacent_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $previous = true) { |
|
1217 if ( $previous && is_attachment() && $post = get_post() ) |
|
1218 $post = get_post( $post->post_parent ); |
|
1219 else |
|
1220 $post = get_adjacent_post( $in_same_cat, $excluded_categories, $previous ); |
|
1221 |
|
1222 if ( empty($post) ) |
|
1223 return; |
|
1224 |
|
1225 $post_title = the_title_attribute( array( 'echo' => false, 'post' => $post ) ); |
|
1226 |
|
1227 if ( empty( $post_title ) ) |
|
1228 $post_title = $previous ? __('Previous Post') : __('Next Post'); |
|
1229 |
|
1230 $date = mysql2date(get_option('date_format'), $post->post_date); |
|
1231 |
|
1232 $title = str_replace('%title', $post_title, $title); |
|
1233 $title = str_replace('%date', $date, $title); |
|
1234 |
|
1235 $link = $previous ? "<link rel='prev' title='" : "<link rel='next' title='"; |
|
1236 $link .= esc_attr( $title ); |
|
1237 $link .= "' href='" . get_permalink($post) . "' />\n"; |
|
1238 |
|
1239 $adjacent = $previous ? 'previous' : 'next'; |
|
1240 return apply_filters( "{$adjacent}_post_rel_link", $link ); |
|
1241 } |
|
1242 |
|
1243 /** |
|
1244 * Display relational links for the posts adjacent to the current post. |
|
1245 * |
|
1246 * @since 2.8.0 |
|
1247 * |
|
1248 * @param string $title Optional. Link title format. |
|
1249 * @param bool $in_same_cat Optional. Whether link should be in a same category. |
|
1250 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1251 */ |
|
1252 function adjacent_posts_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') { |
|
1253 echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true); |
|
1254 echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false); |
|
1255 } |
|
1256 |
|
1257 /** |
|
1258 * Display relational links for the posts adjacent to the current post for single post pages. |
|
1259 * |
|
1260 * This is meant to be attached to actions like 'wp_head'. Do not call this directly in plugins or theme templates. |
|
1261 * @since 3.0.0 |
|
1262 * |
|
1263 */ |
|
1264 function adjacent_posts_rel_link_wp_head() { |
|
1265 if ( !is_singular() || is_attachment() ) |
|
1266 return; |
|
1267 adjacent_posts_rel_link(); |
|
1268 } |
|
1269 |
|
1270 /** |
|
1271 * Display relational link for the next post adjacent to the current post. |
|
1272 * |
|
1273 * @since 2.8.0 |
|
1274 * |
|
1275 * @param string $title Optional. Link title format. |
|
1276 * @param bool $in_same_cat Optional. Whether link should be in a same category. |
|
1277 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1278 */ |
|
1279 function next_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') { |
|
1280 echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false); |
|
1281 } |
|
1282 |
|
1283 /** |
|
1284 * Display relational link for the previous post adjacent to the current post. |
|
1285 * |
|
1286 * @since 2.8.0 |
|
1287 * |
|
1288 * @param string $title Optional. Link title format. |
|
1289 * @param bool $in_same_cat Optional. Whether link should be in a same category. |
|
1290 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1291 */ |
|
1292 function prev_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') { |
|
1293 echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true); |
|
1294 } |
|
1295 |
|
1296 /** |
|
1297 * Retrieve boundary post. |
|
1298 * |
|
1299 * Boundary being either the first or last post by publish date within the constraints specified |
|
1300 * by $in_same_cat or $excluded_categories. |
|
1301 * |
|
1302 * @since 2.8.0 |
|
1303 * |
|
1304 * @param bool $in_same_cat Optional. Whether returned post should be in a same category. |
|
1305 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1306 * @param bool $start Optional. Whether to retrieve first or last post. |
|
1307 * @return object |
|
1308 */ |
|
1309 function get_boundary_post( $in_same_cat = false, $excluded_categories = '', $start = true ) { |
|
1310 $post = get_post(); |
|
1311 if ( ! $post || ! is_single() || is_attachment() ) |
|
1312 return null; |
|
1313 |
|
1314 $cat_array = array(); |
|
1315 if( ! is_array( $excluded_categories ) ) |
|
1316 $excluded_categories = explode( ',', $excluded_categories ); |
|
1317 |
|
1318 if ( $in_same_cat || ! empty( $excluded_categories ) ) { |
|
1319 if ( $in_same_cat ) |
|
1320 $cat_array = wp_get_object_terms( $post->ID, 'category', array( 'fields' => 'ids' ) ); |
|
1321 |
|
1322 if ( ! empty( $excluded_categories ) ) { |
|
1323 $excluded_categories = array_map( 'intval', $excluded_categories ); |
|
1324 $excluded_categories = array_diff( $excluded_categories, $cat_array ); |
|
1325 |
|
1326 $inverse_cats = array(); |
|
1327 foreach ( $excluded_categories as $excluded_category ) |
|
1328 $inverse_cats[] = $excluded_category * -1; |
|
1329 $excluded_categories = $inverse_cats; |
|
1330 } |
|
1331 } |
|
1332 |
|
1333 $categories = implode( ',', array_merge( $cat_array, $excluded_categories ) ); |
|
1334 |
|
1335 $order = $start ? 'ASC' : 'DESC'; |
|
1336 |
|
1337 return get_posts( array('numberposts' => 1, 'category' => $categories, 'order' => $order, 'update_post_term_cache' => false, 'update_post_meta_cache' => false) ); |
|
1338 } |
|
1339 |
|
1340 /* |
|
1341 * Get previous post link that is adjacent to the current post. |
|
1342 * |
|
1343 * @since 3.7.0 |
|
1344 * |
|
1345 * @param string $format Optional. Link anchor format. |
|
1346 * @param string $link Optional. Link permalink format. |
|
1347 * @param bool $in_same_cat Optional. Whether link should be in same category. |
|
1348 * @param string $excluded_categories Optional. Excluded categories IDs. |
|
1349 * @return string |
|
1350 */ |
|
1351 function get_previous_post_link( $format = '« %link', $link = '%title', $in_same_cat = false, $excluded_categories = '' ) { |
|
1352 return get_adjacent_post_link( $format, $link, $in_same_cat, $excluded_categories, true ); |
|
1353 } |
|
1354 |
|
1355 /** |
|
1356 * Display previous post link that is adjacent to the current post. |
|
1357 * |
|
1358 * @since 1.5.0 |
|
1359 * @uses get_previous_post_link() |
|
1360 * |
|
1361 * @param string $format Optional. Link anchor format. |
|
1362 * @param string $link Optional. Link permalink format. |
|
1363 * @param bool $in_same_cat Optional. Whether link should be in a same category. |
|
1364 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1365 */ |
|
1366 function previous_post_link( $format = '« %link', $link = '%title', $in_same_cat = false, $excluded_categories = '' ) { |
|
1367 echo get_previous_post_link( $format, $link, $in_same_cat, $excluded_categories ); |
|
1368 } |
|
1369 |
|
1370 /** |
|
1371 * Get previous post link that is adjacent to the current post. |
|
1372 * |
|
1373 * @since 3.7.0 |
|
1374 * @uses get_next_post_link() |
|
1375 * |
|
1376 * @param string $format Optional. Link anchor format. |
|
1377 * @param string $link Optional. Link permalink format. |
|
1378 * @param bool $in_same_cat Optional. Whether link should be in same category. |
|
1379 * @param string $excluded_categories Optional. Excluded categories IDs. |
|
1380 * @return string |
|
1381 */ |
|
1382 function get_next_post_link( $format = '« %link', $link = '%title', $in_same_cat = false, $excluded_categories = '' ) { |
|
1383 return get_adjacent_post_link( $format, $link, $in_same_cat, $excluded_categories, false ); |
|
1384 } |
|
1385 |
|
1386 /** |
|
1387 * Display next post link that is adjacent to the current post. |
|
1388 * |
|
1389 * @since 1.5.0 |
|
1390 * |
|
1391 * @param string $format Optional. Link anchor format. |
|
1392 * @param string $link Optional. Link permalink format. |
|
1393 * @param bool $in_same_cat Optional. Whether link should be in a same category. |
|
1394 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1395 */ |
|
1396 function next_post_link( $format = '%link »', $link = '%title', $in_same_cat = false, $excluded_categories = '' ) { |
|
1397 echo get_next_post_link( $format, $link, $in_same_cat, $excluded_categories ); |
|
1398 } |
|
1399 |
|
1400 /** |
|
1401 * Get adjacent post link. |
|
1402 * |
|
1403 * Can be either next post link or previous. |
|
1404 * |
|
1405 * @since 3.7.0 |
|
1406 * |
|
1407 * @param string $format Link anchor format. |
|
1408 * @param string $link Link permalink format. |
|
1409 * @param bool $in_same_cat Optional. Whether link should be in a same category. |
|
1410 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1411 * @param bool $previous Optional, default is true. Whether to display link to previous or next post. |
|
1412 * @return string |
|
1413 */ |
|
1414 function get_adjacent_post_link( $format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true ) { |
|
1415 if ( $previous && is_attachment() ) |
|
1416 $post = get_post( get_post()->post_parent ); |
|
1417 else |
|
1418 $post = get_adjacent_post( $in_same_cat, $excluded_categories, $previous ); |
|
1419 |
|
1420 if ( ! $post ) { |
|
1421 $output = ''; |
|
1422 } else { |
|
1423 $title = $post->post_title; |
|
1424 |
|
1425 if ( empty( $post->post_title ) ) |
|
1426 $title = $previous ? __( 'Previous Post' ) : __( 'Next Post' ); |
|
1427 |
|
1428 /** This filter is documented in wp-includes/post-template.php */ |
|
1429 $title = apply_filters( 'the_title', $title, $post->ID ); |
|
1430 $date = mysql2date( get_option( 'date_format' ), $post->post_date ); |
|
1431 $rel = $previous ? 'prev' : 'next'; |
|
1432 |
|
1433 $string = '<a href="' . get_permalink( $post ) . '" rel="'.$rel.'">'; |
|
1434 $inlink = str_replace( '%title', $title, $link ); |
|
1435 $inlink = str_replace( '%date', $date, $inlink ); |
|
1436 $inlink = $string . $inlink . '</a>'; |
|
1437 |
|
1438 $output = str_replace( '%link', $inlink, $format ); |
|
1439 } |
|
1440 |
|
1441 $adjacent = $previous ? 'previous' : 'next'; |
|
1442 |
|
1443 return apply_filters( "{$adjacent}_post_link", $output, $format, $link, $post ); |
|
1444 } |
|
1445 |
|
1446 /** |
|
1447 * Display adjacent post link. |
|
1448 * |
|
1449 * Can be either next post link or previous. |
|
1450 * |
|
1451 * @since 2.5.0 |
|
1452 * @uses get_adjacent_post_link() |
|
1453 * |
|
1454 * @param string $format Link anchor format. |
|
1455 * @param string $link Link permalink format. |
|
1456 * @param bool $in_same_cat Optional. Whether link should be in a same category. |
|
1457 * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. |
|
1458 * @param bool $previous Optional, default is true. Whether to display link to previous or next post. |
|
1459 * @return string |
|
1460 */ |
|
1461 function adjacent_post_link( $format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true ) { |
|
1462 echo get_adjacent_post_link( $format, $link, $in_same_cat, $excluded_categories, $previous ); |
|
1463 } |
|
1464 |
|
1465 /** |
|
1466 * Retrieve links for page numbers. |
|
1467 * |
|
1468 * @since 1.5.0 |
|
1469 * |
|
1470 * @param int $pagenum Optional. Page ID. |
|
1471 * @param bool $escape Optional. Whether to escape the URL for display, with esc_url(). Defaults to true. |
|
1472 * Otherwise, prepares the URL with esc_url_raw(). |
|
1473 * @return string |
|
1474 */ |
|
1475 function get_pagenum_link($pagenum = 1, $escape = true ) { |
|
1476 global $wp_rewrite; |
|
1477 |
|
1478 $pagenum = (int) $pagenum; |
|
1479 |
|
1480 $request = remove_query_arg( 'paged' ); |
|
1481 |
|
1482 $home_root = parse_url(home_url()); |
|
1483 $home_root = ( isset($home_root['path']) ) ? $home_root['path'] : ''; |
|
1484 $home_root = preg_quote( $home_root, '|' ); |
|
1485 |
|
1486 $request = preg_replace('|^'. $home_root . '|i', '', $request); |
|
1487 $request = preg_replace('|^/+|', '', $request); |
|
1488 |
|
1489 if ( !$wp_rewrite->using_permalinks() || is_admin() ) { |
|
1490 $base = trailingslashit( get_bloginfo( 'url' ) ); |
|
1491 |
|
1492 if ( $pagenum > 1 ) { |
|
1493 $result = add_query_arg( 'paged', $pagenum, $base . $request ); |
|
1494 } else { |
|
1495 $result = $base . $request; |
|
1496 } |
|
1497 } else { |
|
1498 $qs_regex = '|\?.*?$|'; |
|
1499 preg_match( $qs_regex, $request, $qs_match ); |
|
1500 |
|
1501 if ( !empty( $qs_match[0] ) ) { |
|
1502 $query_string = $qs_match[0]; |
|
1503 $request = preg_replace( $qs_regex, '', $request ); |
|
1504 } else { |
|
1505 $query_string = ''; |
|
1506 } |
|
1507 |
|
1508 $request = preg_replace( "|$wp_rewrite->pagination_base/\d+/?$|", '', $request); |
|
1509 $request = preg_replace( '|^' . preg_quote( $wp_rewrite->index, '|' ) . '|i', '', $request); |
|
1510 $request = ltrim($request, '/'); |
|
1511 |
|
1512 $base = trailingslashit( get_bloginfo( 'url' ) ); |
|
1513 |
|
1514 if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' != $request ) ) |
|
1515 $base .= $wp_rewrite->index . '/'; |
|
1516 |
|
1517 if ( $pagenum > 1 ) { |
|
1518 $request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( $wp_rewrite->pagination_base . "/" . $pagenum, 'paged' ); |
|
1519 } |
|
1520 |
|
1521 $result = $base . $request . $query_string; |
|
1522 } |
|
1523 |
|
1524 $result = apply_filters('get_pagenum_link', $result); |
|
1525 |
|
1526 if ( $escape ) |
|
1527 return esc_url( $result ); |
|
1528 else |
|
1529 return esc_url_raw( $result ); |
|
1530 } |
|
1531 |
|
1532 /** |
|
1533 * Retrieve next posts page link. |
|
1534 * |
|
1535 * Backported from 2.1.3 to 2.0.10. |
|
1536 * |
|
1537 * @since 2.0.10 |
|
1538 * |
|
1539 * @param int $max_page Optional. Max pages. |
|
1540 * @return string |
|
1541 */ |
|
1542 function get_next_posts_page_link($max_page = 0) { |
|
1543 global $paged; |
|
1544 |
|
1545 if ( !is_single() ) { |
|
1546 if ( !$paged ) |
|
1547 $paged = 1; |
|
1548 $nextpage = intval($paged) + 1; |
|
1549 if ( !$max_page || $max_page >= $nextpage ) |
|
1550 return get_pagenum_link($nextpage); |
|
1551 } |
|
1552 } |
|
1553 |
|
1554 /** |
|
1555 * Display or return the next posts page link. |
|
1556 * |
|
1557 * @since 0.71 |
|
1558 * |
|
1559 * @param int $max_page Optional. Max pages. |
|
1560 * @param boolean $echo Optional. Echo or return; |
|
1561 */ |
|
1562 function next_posts( $max_page = 0, $echo = true ) { |
|
1563 $output = esc_url( get_next_posts_page_link( $max_page ) ); |
|
1564 |
|
1565 if ( $echo ) |
|
1566 echo $output; |
|
1567 else |
|
1568 return $output; |
|
1569 } |
|
1570 |
|
1571 /** |
|
1572 * Return the next posts page link. |
|
1573 * |
|
1574 * @since 2.7.0 |
|
1575 * |
|
1576 * @param string $label Content for link text. |
|
1577 * @param int $max_page Optional. Max pages. |
|
1578 * @return string|null |
|
1579 */ |
|
1580 function get_next_posts_link( $label = null, $max_page = 0 ) { |
|
1581 global $paged, $wp_query; |
|
1582 |
|
1583 if ( !$max_page ) |
|
1584 $max_page = $wp_query->max_num_pages; |
|
1585 |
|
1586 if ( !$paged ) |
|
1587 $paged = 1; |
|
1588 |
|
1589 $nextpage = intval($paged) + 1; |
|
1590 |
|
1591 if ( null === $label ) |
|
1592 $label = __( 'Next Page »' ); |
|
1593 |
|
1594 if ( !is_single() && ( $nextpage <= $max_page ) ) { |
|
1595 $attr = apply_filters( 'next_posts_link_attributes', '' ); |
|
1596 return '<a href="' . next_posts( $max_page, false ) . "\" $attr>" . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) . '</a>'; |
|
1597 } |
|
1598 } |
|
1599 |
|
1600 /** |
|
1601 * Display the next posts page link. |
|
1602 * |
|
1603 * @since 0.71 |
|
1604 * @uses get_next_posts_link() |
|
1605 * |
|
1606 * @param string $label Content for link text. |
|
1607 * @param int $max_page Optional. Max pages. |
|
1608 */ |
|
1609 function next_posts_link( $label = null, $max_page = 0 ) { |
|
1610 echo get_next_posts_link( $label, $max_page ); |
|
1611 } |
|
1612 |
|
1613 /** |
|
1614 * Retrieve previous posts page link. |
|
1615 * |
|
1616 * Will only return string, if not on a single page or post. |
|
1617 * |
|
1618 * Backported to 2.0.10 from 2.1.3. |
|
1619 * |
|
1620 * @since 2.0.10 |
|
1621 * |
|
1622 * @return string|null |
|
1623 */ |
|
1624 function get_previous_posts_page_link() { |
|
1625 global $paged; |
|
1626 |
|
1627 if ( !is_single() ) { |
|
1628 $nextpage = intval($paged) - 1; |
|
1629 if ( $nextpage < 1 ) |
|
1630 $nextpage = 1; |
|
1631 return get_pagenum_link($nextpage); |
|
1632 } |
|
1633 } |
|
1634 |
|
1635 /** |
|
1636 * Display or return the previous posts page link. |
|
1637 * |
|
1638 * @since 0.71 |
|
1639 * |
|
1640 * @param boolean $echo Optional. Echo or return; |
|
1641 */ |
|
1642 function previous_posts( $echo = true ) { |
|
1643 $output = esc_url( get_previous_posts_page_link() ); |
|
1644 |
|
1645 if ( $echo ) |
|
1646 echo $output; |
|
1647 else |
|
1648 return $output; |
|
1649 } |
|
1650 |
|
1651 /** |
|
1652 * Return the previous posts page link. |
|
1653 * |
|
1654 * @since 2.7.0 |
|
1655 * |
|
1656 * @param string $label Optional. Previous page link text. |
|
1657 * @return string|null |
|
1658 */ |
|
1659 function get_previous_posts_link( $label = null ) { |
|
1660 global $paged; |
|
1661 |
|
1662 if ( null === $label ) |
|
1663 $label = __( '« Previous Page' ); |
|
1664 |
|
1665 if ( !is_single() && $paged > 1 ) { |
|
1666 $attr = apply_filters( 'previous_posts_link_attributes', '' ); |
|
1667 return '<a href="' . previous_posts( false ) . "\" $attr>". preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) .'</a>'; |
|
1668 } |
|
1669 } |
|
1670 |
|
1671 /** |
|
1672 * Display the previous posts page link. |
|
1673 * |
|
1674 * @since 0.71 |
|
1675 * @uses get_previous_posts_link() |
|
1676 * |
|
1677 * @param string $label Optional. Previous page link text. |
|
1678 */ |
|
1679 function previous_posts_link( $label = null ) { |
|
1680 echo get_previous_posts_link( $label ); |
|
1681 } |
|
1682 |
|
1683 /** |
|
1684 * Return post pages link navigation for previous and next pages. |
|
1685 * |
|
1686 * @since 2.8 |
|
1687 * |
|
1688 * @param string|array $args Optional args. |
|
1689 * @return string The posts link navigation. |
|
1690 */ |
|
1691 function get_posts_nav_link( $args = array() ) { |
|
1692 global $wp_query; |
|
1693 |
|
1694 $return = ''; |
|
1695 |
|
1696 if ( !is_singular() ) { |
|
1697 $defaults = array( |
|
1698 'sep' => ' — ', |
|
1699 'prelabel' => __('« Previous Page'), |
|
1700 'nxtlabel' => __('Next Page »'), |
|
1701 ); |
|
1702 $args = wp_parse_args( $args, $defaults ); |
|
1703 |
|
1704 $max_num_pages = $wp_query->max_num_pages; |
|
1705 $paged = get_query_var('paged'); |
|
1706 |
|
1707 //only have sep if there's both prev and next results |
|
1708 if ($paged < 2 || $paged >= $max_num_pages) { |
|
1709 $args['sep'] = ''; |
|
1710 } |
|
1711 |
|
1712 if ( $max_num_pages > 1 ) { |
|
1713 $return = get_previous_posts_link($args['prelabel']); |
|
1714 $return .= preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $args['sep']); |
|
1715 $return .= get_next_posts_link($args['nxtlabel']); |
|
1716 } |
|
1717 } |
|
1718 return $return; |
|
1719 |
|
1720 } |
|
1721 |
|
1722 /** |
|
1723 * Display post pages link navigation for previous and next pages. |
|
1724 * |
|
1725 * @since 0.71 |
|
1726 * |
|
1727 * @param string $sep Optional. Separator for posts navigation links. |
|
1728 * @param string $prelabel Optional. Label for previous pages. |
|
1729 * @param string $nxtlabel Optional Label for next pages. |
|
1730 */ |
|
1731 function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) { |
|
1732 $args = array_filter( compact('sep', 'prelabel', 'nxtlabel') ); |
|
1733 echo get_posts_nav_link($args); |
|
1734 } |
|
1735 |
|
1736 /** |
|
1737 * Retrieve comments page number link. |
|
1738 * |
|
1739 * @since 2.7.0 |
|
1740 * |
|
1741 * @param int $pagenum Optional. Page number. |
|
1742 * @return string |
|
1743 */ |
|
1744 function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) { |
|
1745 global $wp_rewrite; |
|
1746 |
|
1747 $pagenum = (int) $pagenum; |
|
1748 |
|
1749 $result = get_permalink(); |
|
1750 |
|
1751 if ( 'newest' == get_option('default_comments_page') ) { |
|
1752 if ( $pagenum != $max_page ) { |
|
1753 if ( $wp_rewrite->using_permalinks() ) |
|
1754 $result = user_trailingslashit( trailingslashit($result) . 'comment-page-' . $pagenum, 'commentpaged'); |
|
1755 else |
|
1756 $result = add_query_arg( 'cpage', $pagenum, $result ); |
|
1757 } |
|
1758 } elseif ( $pagenum > 1 ) { |
|
1759 if ( $wp_rewrite->using_permalinks() ) |
|
1760 $result = user_trailingslashit( trailingslashit($result) . 'comment-page-' . $pagenum, 'commentpaged'); |
|
1761 else |
|
1762 $result = add_query_arg( 'cpage', $pagenum, $result ); |
|
1763 } |
|
1764 |
|
1765 $result .= '#comments'; |
|
1766 |
|
1767 $result = apply_filters('get_comments_pagenum_link', $result); |
|
1768 |
|
1769 return $result; |
|
1770 } |
|
1771 |
|
1772 /** |
|
1773 * Return the link to next comments page. |
|
1774 * |
|
1775 * @since 2.7.1 |
|
1776 * |
|
1777 * @param string $label Optional. Label for link text. |
|
1778 * @param int $max_page Optional. Max page. |
|
1779 * @return string|null |
|
1780 */ |
|
1781 function get_next_comments_link( $label = '', $max_page = 0 ) { |
|
1782 global $wp_query; |
|
1783 |
|
1784 if ( !is_singular() || !get_option('page_comments') ) |
|
1785 return; |
|
1786 |
|
1787 $page = get_query_var('cpage'); |
|
1788 |
|
1789 $nextpage = intval($page) + 1; |
|
1790 |
|
1791 if ( empty($max_page) ) |
|
1792 $max_page = $wp_query->max_num_comment_pages; |
|
1793 |
|
1794 if ( empty($max_page) ) |
|
1795 $max_page = get_comment_pages_count(); |
|
1796 |
|
1797 if ( $nextpage > $max_page ) |
|
1798 return; |
|
1799 |
|
1800 if ( empty($label) ) |
|
1801 $label = __('Newer Comments »'); |
|
1802 |
|
1803 return '<a href="' . esc_url( get_comments_pagenum_link( $nextpage, $max_page ) ) . '" ' . apply_filters( 'next_comments_link_attributes', '' ) . '>'. preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .'</a>'; |
|
1804 } |
|
1805 |
|
1806 /** |
|
1807 * Display the link to next comments page. |
|
1808 * |
|
1809 * @since 2.7.0 |
|
1810 * |
|
1811 * @param string $label Optional. Label for link text. |
|
1812 * @param int $max_page Optional. Max page. |
|
1813 */ |
|
1814 function next_comments_link( $label = '', $max_page = 0 ) { |
|
1815 echo get_next_comments_link( $label, $max_page ); |
|
1816 } |
|
1817 |
|
1818 /** |
|
1819 * Return the previous comments page link. |
|
1820 * |
|
1821 * @since 2.7.1 |
|
1822 * |
|
1823 * @param string $label Optional. Label for comments link text. |
|
1824 * @return string|null |
|
1825 */ |
|
1826 function get_previous_comments_link( $label = '' ) { |
|
1827 if ( !is_singular() || !get_option('page_comments') ) |
|
1828 return; |
|
1829 |
|
1830 $page = get_query_var('cpage'); |
|
1831 |
|
1832 if ( intval($page) <= 1 ) |
|
1833 return; |
|
1834 |
|
1835 $prevpage = intval($page) - 1; |
|
1836 |
|
1837 if ( empty($label) ) |
|
1838 $label = __('« Older Comments'); |
|
1839 |
|
1840 return '<a href="' . esc_url( get_comments_pagenum_link( $prevpage ) ) . '" ' . apply_filters( 'previous_comments_link_attributes', '' ) . '>' . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .'</a>'; |
|
1841 } |
|
1842 |
|
1843 /** |
|
1844 * Display the previous comments page link. |
|
1845 * |
|
1846 * @since 2.7.0 |
|
1847 * |
|
1848 * @param string $label Optional. Label for comments link text. |
|
1849 */ |
|
1850 function previous_comments_link( $label = '' ) { |
|
1851 echo get_previous_comments_link( $label ); |
|
1852 } |
|
1853 |
|
1854 /** |
|
1855 * Create pagination links for the comments on the current post. |
|
1856 * |
|
1857 * @see paginate_links() |
|
1858 * @since 2.7.0 |
|
1859 * |
|
1860 * @param string|array $args Optional args. See paginate_links(). |
|
1861 * @return string Markup for pagination links. |
|
1862 */ |
|
1863 function paginate_comments_links($args = array()) { |
|
1864 global $wp_rewrite; |
|
1865 |
|
1866 if ( !is_singular() || !get_option('page_comments') ) |
|
1867 return; |
|
1868 |
|
1869 $page = get_query_var('cpage'); |
|
1870 if ( !$page ) |
|
1871 $page = 1; |
|
1872 $max_page = get_comment_pages_count(); |
|
1873 $defaults = array( |
|
1874 'base' => add_query_arg( 'cpage', '%#%' ), |
|
1875 'format' => '', |
|
1876 'total' => $max_page, |
|
1877 'current' => $page, |
|
1878 'echo' => true, |
|
1879 'add_fragment' => '#comments' |
|
1880 ); |
|
1881 if ( $wp_rewrite->using_permalinks() ) |
|
1882 $defaults['base'] = user_trailingslashit(trailingslashit(get_permalink()) . 'comment-page-%#%', 'commentpaged'); |
|
1883 |
|
1884 $args = wp_parse_args( $args, $defaults ); |
|
1885 $page_links = paginate_links( $args ); |
|
1886 |
|
1887 if ( $args['echo'] ) |
|
1888 echo $page_links; |
|
1889 else |
|
1890 return $page_links; |
|
1891 } |
|
1892 |
|
1893 /** |
|
1894 * Retrieve the Press This bookmarklet link. |
|
1895 * |
|
1896 * Use this in 'a' element 'href' attribute. |
|
1897 * |
|
1898 * @since 2.6.0 |
|
1899 * |
|
1900 * @return string |
|
1901 */ |
|
1902 function get_shortcut_link() { |
|
1903 // In case of breaking changes, version this. #WP20071 |
|
1904 $link = "javascript: |
|
1905 var d=document, |
|
1906 w=window, |
|
1907 e=w.getSelection, |
|
1908 k=d.getSelection, |
|
1909 x=d.selection, |
|
1910 s=(e?e():(k)?k():(x?x.createRange().text:0)), |
|
1911 f='" . admin_url('press-this.php') . "', |
|
1912 l=d.location, |
|
1913 e=encodeURIComponent, |
|
1914 u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4'; |
|
1915 a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;}; |
|
1916 if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a(); |
|
1917 void(0)"; |
|
1918 |
|
1919 $link = str_replace(array("\r", "\n", "\t"), '', $link); |
|
1920 |
|
1921 return apply_filters('shortcut_link', $link); |
|
1922 } |
|
1923 |
|
1924 /** |
|
1925 * Retrieve the home url for the current site. |
|
1926 * |
|
1927 * Returns the 'home' option with the appropriate protocol, 'https' if |
|
1928 * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
|
1929 * overridden. |
|
1930 * |
|
1931 * @package WordPress |
|
1932 * @since 3.0.0 |
|
1933 * |
|
1934 * @uses get_home_url() |
|
1935 * |
|
1936 * @param string $path (optional) Path relative to the home url. |
|
1937 * @param string $scheme (optional) Scheme to give the home url context. Currently 'http', 'https', or 'relative'. |
|
1938 * @return string Home url link with optional path appended. |
|
1939 */ |
|
1940 function home_url( $path = '', $scheme = null ) { |
|
1941 return get_home_url( null, $path, $scheme ); |
|
1942 } |
|
1943 |
|
1944 /** |
|
1945 * Retrieve the home url for a given site. |
|
1946 * |
|
1947 * Returns the 'home' option with the appropriate protocol, 'https' if |
|
1948 * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
|
1949 * overridden. |
|
1950 * |
|
1951 * @package WordPress |
|
1952 * @since 3.0.0 |
|
1953 * |
|
1954 * @param int $blog_id (optional) Blog ID. Defaults to current blog. |
|
1955 * @param string $path (optional) Path relative to the home url. |
|
1956 * @param string $scheme (optional) Scheme to give the home url context. Currently 'http', 'https', or 'relative'. |
|
1957 * @return string Home url link with optional path appended. |
|
1958 */ |
|
1959 function get_home_url( $blog_id = null, $path = '', $scheme = null ) { |
|
1960 $orig_scheme = $scheme; |
|
1961 |
|
1962 if ( empty( $blog_id ) || !is_multisite() ) { |
|
1963 $url = get_option( 'home' ); |
|
1964 } else { |
|
1965 switch_to_blog( $blog_id ); |
|
1966 $url = get_option( 'home' ); |
|
1967 restore_current_blog(); |
|
1968 } |
|
1969 |
|
1970 if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) { |
|
1971 if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $GLOBALS['pagenow'] ) |
|
1972 $scheme = 'https'; |
|
1973 else |
|
1974 $scheme = parse_url( $url, PHP_URL_SCHEME ); |
|
1975 } |
|
1976 |
|
1977 $url = set_url_scheme( $url, $scheme ); |
|
1978 |
|
1979 if ( $path && is_string( $path ) ) |
|
1980 $url .= '/' . ltrim( $path, '/' ); |
|
1981 |
|
1982 return apply_filters( 'home_url', $url, $path, $orig_scheme, $blog_id ); |
|
1983 } |
|
1984 |
|
1985 /** |
|
1986 * Retrieve the site url for the current site. |
|
1987 * |
|
1988 * Returns the 'site_url' option with the appropriate protocol, 'https' if |
|
1989 * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
|
1990 * overridden. |
|
1991 * |
|
1992 * @package WordPress |
|
1993 * @since 2.6.0 |
|
1994 * |
|
1995 * @uses get_site_url() |
|
1996 * |
|
1997 * @param string $path Optional. Path relative to the site url. |
|
1998 * @param string $scheme Optional. Scheme to give the site url context. See set_url_scheme(). |
|
1999 * @return string Site url link with optional path appended. |
|
2000 */ |
|
2001 function site_url( $path = '', $scheme = null ) { |
|
2002 return get_site_url( null, $path, $scheme ); |
|
2003 } |
|
2004 |
|
2005 /** |
|
2006 * Retrieve the site url for a given site. |
|
2007 * |
|
2008 * Returns the 'site_url' option with the appropriate protocol, 'https' if |
|
2009 * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
|
2010 * overridden. |
|
2011 * |
|
2012 * @package WordPress |
|
2013 * @since 3.0.0 |
|
2014 * |
|
2015 * @param int $blog_id (optional) Blog ID. Defaults to current blog. |
|
2016 * @param string $path Optional. Path relative to the site url. |
|
2017 * @param string $scheme Optional. Scheme to give the site url context. Currently 'http', 'https', 'login', 'login_post', 'admin', or 'relative'. |
|
2018 * @return string Site url link with optional path appended. |
|
2019 */ |
|
2020 function get_site_url( $blog_id = null, $path = '', $scheme = null ) { |
|
2021 if ( empty( $blog_id ) || !is_multisite() ) { |
|
2022 $url = get_option( 'siteurl' ); |
|
2023 } else { |
|
2024 switch_to_blog( $blog_id ); |
|
2025 $url = get_option( 'siteurl' ); |
|
2026 restore_current_blog(); |
|
2027 } |
|
2028 |
|
2029 $url = set_url_scheme( $url, $scheme ); |
|
2030 |
|
2031 if ( $path && is_string( $path ) ) |
|
2032 $url .= '/' . ltrim( $path, '/' ); |
|
2033 |
|
2034 return apply_filters( 'site_url', $url, $path, $scheme, $blog_id ); |
|
2035 } |
|
2036 |
|
2037 /** |
|
2038 * Retrieve the url to the admin area for the current site. |
|
2039 * |
|
2040 * @package WordPress |
|
2041 * @since 2.6.0 |
|
2042 * |
|
2043 * @param string $path Optional path relative to the admin url. |
|
2044 * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |
|
2045 * @return string Admin url link with optional path appended. |
|
2046 */ |
|
2047 function admin_url( $path = '', $scheme = 'admin' ) { |
|
2048 return get_admin_url( null, $path, $scheme ); |
|
2049 } |
|
2050 |
|
2051 /** |
|
2052 * Retrieve the url to the admin area for a given site. |
|
2053 * |
|
2054 * @package WordPress |
|
2055 * @since 3.0.0 |
|
2056 * |
|
2057 * @param int $blog_id (optional) Blog ID. Defaults to current blog. |
|
2058 * @param string $path Optional path relative to the admin url. |
|
2059 * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |
|
2060 * @return string Admin url link with optional path appended. |
|
2061 */ |
|
2062 function get_admin_url( $blog_id = null, $path = '', $scheme = 'admin' ) { |
|
2063 $url = get_site_url($blog_id, 'wp-admin/', $scheme); |
|
2064 |
|
2065 if ( $path && is_string( $path ) ) |
|
2066 $url .= ltrim( $path, '/' ); |
|
2067 |
|
2068 return apply_filters( 'admin_url', $url, $path, $blog_id ); |
|
2069 } |
|
2070 |
|
2071 /** |
|
2072 * Retrieve the url to the includes directory. |
|
2073 * |
|
2074 * @package WordPress |
|
2075 * @since 2.6.0 |
|
2076 * |
|
2077 * @param string $path Optional. Path relative to the includes url. |
|
2078 * @param string $scheme Optional. Scheme to give the includes url context. |
|
2079 * @return string Includes url link with optional path appended. |
|
2080 */ |
|
2081 function includes_url( $path = '', $scheme = null ) { |
|
2082 $url = site_url( '/' . WPINC . '/', $scheme ); |
|
2083 |
|
2084 if ( $path && is_string( $path ) ) |
|
2085 $url .= ltrim($path, '/'); |
|
2086 |
|
2087 return apply_filters('includes_url', $url, $path); |
|
2088 } |
|
2089 |
|
2090 /** |
|
2091 * Retrieve the url to the content directory. |
|
2092 * |
|
2093 * @package WordPress |
|
2094 * @since 2.6.0 |
|
2095 * |
|
2096 * @param string $path Optional. Path relative to the content url. |
|
2097 * @return string Content url link with optional path appended. |
|
2098 */ |
|
2099 function content_url($path = '') { |
|
2100 $url = set_url_scheme( WP_CONTENT_URL ); |
|
2101 |
|
2102 if ( $path && is_string( $path ) ) |
|
2103 $url .= '/' . ltrim($path, '/'); |
|
2104 |
|
2105 return apply_filters('content_url', $url, $path); |
|
2106 } |
|
2107 |
|
2108 /** |
|
2109 * Retrieve the url to the plugins directory or to a specific file within that directory. |
|
2110 * You can hardcode the plugin slug in $path or pass __FILE__ as a second argument to get the correct folder name. |
|
2111 * |
|
2112 * @package WordPress |
|
2113 * @since 2.6.0 |
|
2114 * |
|
2115 * @param string $path Optional. Path relative to the plugins url. |
|
2116 * @param string $plugin Optional. The plugin file that you want to be relative to - i.e. pass in __FILE__ |
|
2117 * @return string Plugins url link with optional path appended. |
|
2118 */ |
|
2119 function plugins_url($path = '', $plugin = '') { |
|
2120 |
|
2121 $mu_plugin_dir = WPMU_PLUGIN_DIR; |
|
2122 foreach ( array('path', 'plugin', 'mu_plugin_dir') as $var ) { |
|
2123 $$var = str_replace('\\' ,'/', $$var); // sanitize for Win32 installs |
|
2124 $$var = preg_replace('|/+|', '/', $$var); |
|
2125 } |
|
2126 |
|
2127 if ( !empty($plugin) && 0 === strpos($plugin, $mu_plugin_dir) ) |
|
2128 $url = WPMU_PLUGIN_URL; |
|
2129 else |
|
2130 $url = WP_PLUGIN_URL; |
|
2131 |
|
2132 |
|
2133 $url = set_url_scheme( $url ); |
|
2134 |
|
2135 if ( !empty($plugin) && is_string($plugin) ) { |
|
2136 $folder = dirname(plugin_basename($plugin)); |
|
2137 if ( '.' != $folder ) |
|
2138 $url .= '/' . ltrim($folder, '/'); |
|
2139 } |
|
2140 |
|
2141 if ( $path && is_string( $path ) ) |
|
2142 $url .= '/' . ltrim($path, '/'); |
|
2143 |
|
2144 return apply_filters('plugins_url', $url, $path, $plugin); |
|
2145 } |
|
2146 |
|
2147 /** |
|
2148 * Retrieve the site url for the current network. |
|
2149 * |
|
2150 * Returns the site url with the appropriate protocol, 'https' if |
|
2151 * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
|
2152 * overridden. |
|
2153 * |
|
2154 * @package WordPress |
|
2155 * @since 3.0.0 |
|
2156 * |
|
2157 * @param string $path Optional. Path relative to the site url. |
|
2158 * @param string $scheme Optional. Scheme to give the site url context. See set_url_scheme(). |
|
2159 * @return string Site url link with optional path appended. |
|
2160 */ |
|
2161 function network_site_url( $path = '', $scheme = null ) { |
|
2162 global $current_site; |
|
2163 |
|
2164 if ( ! is_multisite() ) |
|
2165 return site_url($path, $scheme); |
|
2166 |
|
2167 if ( 'relative' == $scheme ) |
|
2168 $url = $current_site->path; |
|
2169 else |
|
2170 $url = set_url_scheme( 'http://' . $current_site->domain . $current_site->path, $scheme ); |
|
2171 |
|
2172 if ( $path && is_string( $path ) ) |
|
2173 $url .= ltrim( $path, '/' ); |
|
2174 |
|
2175 return apply_filters( 'network_site_url', $url, $path, $scheme ); |
|
2176 } |
|
2177 |
|
2178 /** |
|
2179 * Retrieve the home url for the current network. |
|
2180 * |
|
2181 * Returns the home url with the appropriate protocol, 'https' if |
|
2182 * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
|
2183 * overridden. |
|
2184 * |
|
2185 * @package WordPress |
|
2186 * @since 3.0.0 |
|
2187 * |
|
2188 * @param string $path (optional) Path relative to the home url. |
|
2189 * @param string $scheme (optional) Scheme to give the home url context. Currently 'http', 'https', or 'relative'. |
|
2190 * @return string Home url link with optional path appended. |
|
2191 */ |
|
2192 function network_home_url( $path = '', $scheme = null ) { |
|
2193 global $current_site; |
|
2194 |
|
2195 if ( ! is_multisite() ) |
|
2196 return home_url($path, $scheme); |
|
2197 |
|
2198 $orig_scheme = $scheme; |
|
2199 |
|
2200 if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) |
|
2201 $scheme = is_ssl() && ! is_admin() ? 'https' : 'http'; |
|
2202 |
|
2203 if ( 'relative' == $scheme ) |
|
2204 $url = $current_site->path; |
|
2205 else |
|
2206 $url = set_url_scheme( 'http://' . $current_site->domain . $current_site->path, $scheme ); |
|
2207 |
|
2208 if ( $path && is_string( $path ) ) |
|
2209 $url .= ltrim( $path, '/' ); |
|
2210 |
|
2211 return apply_filters( 'network_home_url', $url, $path, $orig_scheme); |
|
2212 } |
|
2213 |
|
2214 /** |
|
2215 * Retrieve the url to the admin area for the network. |
|
2216 * |
|
2217 * @package WordPress |
|
2218 * @since 3.0.0 |
|
2219 * |
|
2220 * @param string $path Optional path relative to the admin url. |
|
2221 * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |
|
2222 * @return string Admin url link with optional path appended. |
|
2223 */ |
|
2224 function network_admin_url( $path = '', $scheme = 'admin' ) { |
|
2225 if ( ! is_multisite() ) |
|
2226 return admin_url( $path, $scheme ); |
|
2227 |
|
2228 $url = network_site_url('wp-admin/network/', $scheme); |
|
2229 |
|
2230 if ( $path && is_string( $path ) ) |
|
2231 $url .= ltrim($path, '/'); |
|
2232 |
|
2233 return apply_filters('network_admin_url', $url, $path); |
|
2234 } |
|
2235 |
|
2236 /** |
|
2237 * Retrieve the url to the admin area for the current user. |
|
2238 * |
|
2239 * @package WordPress |
|
2240 * @since 3.0.0 |
|
2241 * |
|
2242 * @param string $path Optional path relative to the admin url. |
|
2243 * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |
|
2244 * @return string Admin url link with optional path appended. |
|
2245 */ |
|
2246 function user_admin_url( $path = '', $scheme = 'admin' ) { |
|
2247 $url = network_site_url('wp-admin/user/', $scheme); |
|
2248 |
|
2249 if ( $path && is_string( $path ) ) |
|
2250 $url .= ltrim($path, '/'); |
|
2251 |
|
2252 return apply_filters('user_admin_url', $url, $path); |
|
2253 } |
|
2254 |
|
2255 /** |
|
2256 * Retrieve the url to the admin area for either the current blog or the network depending on context. |
|
2257 * |
|
2258 * @package WordPress |
|
2259 * @since 3.1.0 |
|
2260 * |
|
2261 * @param string $path Optional path relative to the admin url. |
|
2262 * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |
|
2263 * @return string Admin url link with optional path appended. |
|
2264 */ |
|
2265 function self_admin_url($path = '', $scheme = 'admin') { |
|
2266 if ( is_network_admin() ) |
|
2267 return network_admin_url($path, $scheme); |
|
2268 elseif ( is_user_admin() ) |
|
2269 return user_admin_url($path, $scheme); |
|
2270 else |
|
2271 return admin_url($path, $scheme); |
|
2272 } |
|
2273 |
|
2274 /** |
|
2275 * Set the scheme for a URL |
|
2276 * |
|
2277 * @since 3.4.0 |
|
2278 * |
|
2279 * @param string $url Absolute url that includes a scheme |
|
2280 * @param string $scheme Optional. Scheme to give $url. Currently 'http', 'https', 'login', 'login_post', 'admin', or 'relative'. |
|
2281 * @return string $url URL with chosen scheme. |
|
2282 */ |
|
2283 function set_url_scheme( $url, $scheme = null ) { |
|
2284 $orig_scheme = $scheme; |
|
2285 if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) { |
|
2286 if ( ( 'login_post' == $scheme || 'rpc' == $scheme ) && ( force_ssl_login() || force_ssl_admin() ) ) |
|
2287 $scheme = 'https'; |
|
2288 elseif ( ( 'login' == $scheme ) && force_ssl_admin() ) |
|
2289 $scheme = 'https'; |
|
2290 elseif ( ( 'admin' == $scheme ) && force_ssl_admin() ) |
|
2291 $scheme = 'https'; |
|
2292 else |
|
2293 $scheme = ( is_ssl() ? 'https' : 'http' ); |
|
2294 } |
|
2295 |
|
2296 $url = trim( $url ); |
|
2297 if ( substr( $url, 0, 2 ) === '//' ) |
|
2298 $url = 'http:' . $url; |
|
2299 |
|
2300 if ( 'relative' == $scheme ) { |
|
2301 $url = ltrim( preg_replace( '#^\w+://[^/]*#', '', $url ) ); |
|
2302 if ( $url !== '' && $url[0] === '/' ) |
|
2303 $url = '/' . ltrim($url , "/ \t\n\r\0\x0B" ); |
|
2304 } else { |
|
2305 $url = preg_replace( '#^\w+://#', $scheme . '://', $url ); |
|
2306 } |
|
2307 |
|
2308 return apply_filters( 'set_url_scheme', $url, $scheme, $orig_scheme ); |
|
2309 } |
|
2310 |
|
2311 /** |
|
2312 * Get the URL to the user's dashboard. |
|
2313 * |
|
2314 * If a user does not belong to any site, the global user dashboard is used. If the user belongs to the current site, |
|
2315 * the dashboard for the current site is returned. If the user cannot edit the current site, the dashboard to the user's |
|
2316 * primary blog is returned. |
|
2317 * |
|
2318 * @since 3.1.0 |
|
2319 * |
|
2320 * @param int $user_id User ID |
|
2321 * @param string $path Optional path relative to the dashboard. Use only paths known to both blog and user admins. |
|
2322 * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |
|
2323 * @return string Dashboard url link with optional path appended. |
|
2324 */ |
|
2325 function get_dashboard_url( $user_id, $path = '', $scheme = 'admin' ) { |
|
2326 $user_id = (int) $user_id; |
|
2327 |
|
2328 $blogs = get_blogs_of_user( $user_id ); |
|
2329 if ( ! is_super_admin() && empty($blogs) ) { |
|
2330 $url = user_admin_url( $path, $scheme ); |
|
2331 } elseif ( ! is_multisite() ) { |
|
2332 $url = admin_url( $path, $scheme ); |
|
2333 } else { |
|
2334 $current_blog = get_current_blog_id(); |
|
2335 if ( $current_blog && ( is_super_admin( $user_id ) || in_array( $current_blog, array_keys( $blogs ) ) ) ) { |
|
2336 $url = admin_url( $path, $scheme ); |
|
2337 } else { |
|
2338 $active = get_active_blog_for_user( $user_id ); |
|
2339 if ( $active ) |
|
2340 $url = get_admin_url( $active->blog_id, $path, $scheme ); |
|
2341 else |
|
2342 $url = user_admin_url( $path, $scheme ); |
|
2343 } |
|
2344 } |
|
2345 |
|
2346 return apply_filters( 'user_dashboard_url', $url, $user_id, $path, $scheme); |
|
2347 } |
|
2348 |
|
2349 /** |
|
2350 * Get the URL to the user's profile editor. |
|
2351 * |
|
2352 * @since 3.1.0 |
|
2353 * |
|
2354 * @param int $user User ID |
|
2355 * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |
|
2356 * @return string Dashboard url link with optional path appended. |
|
2357 */ |
|
2358 function get_edit_profile_url( $user, $scheme = 'admin' ) { |
|
2359 $user = (int) $user; |
|
2360 |
|
2361 if ( is_user_admin() ) |
|
2362 $url = user_admin_url( 'profile.php', $scheme ); |
|
2363 elseif ( is_network_admin() ) |
|
2364 $url = network_admin_url( 'profile.php', $scheme ); |
|
2365 else |
|
2366 $url = get_dashboard_url( $user, 'profile.php', $scheme ); |
|
2367 |
|
2368 return apply_filters( 'edit_profile_url', $url, $user, $scheme); |
|
2369 } |
|
2370 |
|
2371 /** |
|
2372 * Output rel=canonical for singular queries. |
|
2373 * |
|
2374 * @package WordPress |
|
2375 * @since 2.9.0 |
|
2376 */ |
|
2377 function rel_canonical() { |
|
2378 if ( !is_singular() ) |
|
2379 return; |
|
2380 |
|
2381 global $wp_the_query; |
|
2382 if ( !$id = $wp_the_query->get_queried_object_id() ) |
|
2383 return; |
|
2384 |
|
2385 $link = get_permalink( $id ); |
|
2386 |
|
2387 if ( $page = get_query_var('cpage') ) |
|
2388 $link = get_comments_pagenum_link( $page ); |
|
2389 |
|
2390 echo "<link rel='canonical' href='$link' />\n"; |
|
2391 } |
|
2392 |
|
2393 /** |
|
2394 * Return a shortlink for a post, page, attachment, or blog. |
|
2395 * |
|
2396 * This function exists to provide a shortlink tag that all themes and plugins can target. A plugin must hook in to |
|
2397 * provide the actual shortlinks. Default shortlink support is limited to providing ?p= style links for posts. |
|
2398 * Plugins can short-circuit this function via the pre_get_shortlink filter or filter the output |
|
2399 * via the get_shortlink filter. |
|
2400 * |
|
2401 * @since 3.0.0. |
|
2402 * |
|
2403 * @param int $id A post or blog id. Default is 0, which means the current post or blog. |
|
2404 * @param string $context Whether the id is a 'blog' id, 'post' id, or 'media' id. If 'post', the post_type of the post is consulted. If 'query', the current query is consulted to determine the id and context. Default is 'post'. |
|
2405 * @param bool $allow_slugs Whether to allow post slugs in the shortlink. It is up to the plugin how and whether to honor this. |
|
2406 * @return string A shortlink or an empty string if no shortlink exists for the requested resource or if shortlinks are not enabled. |
|
2407 */ |
|
2408 function wp_get_shortlink($id = 0, $context = 'post', $allow_slugs = true) { |
|
2409 // Allow plugins to short-circuit this function. |
|
2410 $shortlink = apply_filters('pre_get_shortlink', false, $id, $context, $allow_slugs); |
|
2411 if ( false !== $shortlink ) |
|
2412 return $shortlink; |
|
2413 |
|
2414 global $wp_query; |
|
2415 $post_id = 0; |
|
2416 if ( 'query' == $context && is_singular() ) { |
|
2417 $post_id = $wp_query->get_queried_object_id(); |
|
2418 $post = get_post( $post_id ); |
|
2419 } elseif ( 'post' == $context ) { |
|
2420 $post = get_post( $id ); |
|
2421 if ( ! empty( $post->ID ) ) |
|
2422 $post_id = $post->ID; |
|
2423 } |
|
2424 |
|
2425 $shortlink = ''; |
|
2426 |
|
2427 // Return p= link for all public post types. |
|
2428 if ( ! empty( $post_id ) ) { |
|
2429 $post_type = get_post_type_object( $post->post_type ); |
|
2430 if ( $post_type->public ) |
|
2431 $shortlink = home_url('?p=' . $post_id); |
|
2432 } |
|
2433 |
|
2434 return apply_filters('get_shortlink', $shortlink, $id, $context, $allow_slugs); |
|
2435 } |
|
2436 |
|
2437 /** |
|
2438 * Inject rel=shortlink into head if a shortlink is defined for the current page. |
|
2439 * |
|
2440 * Attached to the wp_head action. |
|
2441 * |
|
2442 * @since 3.0.0 |
|
2443 * |
|
2444 * @uses wp_get_shortlink() |
|
2445 */ |
|
2446 function wp_shortlink_wp_head() { |
|
2447 $shortlink = wp_get_shortlink( 0, 'query' ); |
|
2448 |
|
2449 if ( empty( $shortlink ) ) |
|
2450 return; |
|
2451 |
|
2452 echo "<link rel='shortlink' href='" . esc_url( $shortlink ) . "' />\n"; |
|
2453 } |
|
2454 |
|
2455 /** |
|
2456 * Send a Link: rel=shortlink header if a shortlink is defined for the current page. |
|
2457 * |
|
2458 * Attached to the wp action. |
|
2459 * |
|
2460 * @since 3.0.0 |
|
2461 * |
|
2462 * @uses wp_get_shortlink() |
|
2463 */ |
|
2464 function wp_shortlink_header() { |
|
2465 if ( headers_sent() ) |
|
2466 return; |
|
2467 |
|
2468 $shortlink = wp_get_shortlink(0, 'query'); |
|
2469 |
|
2470 if ( empty($shortlink) ) |
|
2471 return; |
|
2472 |
|
2473 header('Link: <' . $shortlink . '>; rel=shortlink', false); |
|
2474 } |
|
2475 |
|
2476 /** |
|
2477 * Display the Short Link for a Post |
|
2478 * |
|
2479 * Must be called from inside "The Loop" |
|
2480 * |
|
2481 * Call like the_shortlink(__('Shortlinkage FTW')) |
|
2482 * |
|
2483 * @since 3.0.0 |
|
2484 * |
|
2485 * @param string $text Optional The link text or HTML to be displayed. Defaults to 'This is the short link.' |
|
2486 * @param string $title Optional The tooltip for the link. Must be sanitized. Defaults to the sanitized post title. |
|
2487 * @param string $before Optional HTML to display before the link. |
|
2488 * @param string $after Optional HTML to display after the link. |
|
2489 */ |
|
2490 function the_shortlink( $text = '', $title = '', $before = '', $after = '' ) { |
|
2491 $post = get_post(); |
|
2492 |
|
2493 if ( empty( $text ) ) |
|
2494 $text = __('This is the short link.'); |
|
2495 |
|
2496 if ( empty( $title ) ) |
|
2497 $title = the_title_attribute( array( 'echo' => false ) ); |
|
2498 |
|
2499 $shortlink = wp_get_shortlink( $post->ID ); |
|
2500 |
|
2501 if ( !empty( $shortlink ) ) { |
|
2502 $link = '<a rel="shortlink" href="' . esc_url( $shortlink ) . '" title="' . $title . '">' . $text . '</a>'; |
|
2503 $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title ); |
|
2504 echo $before, $link, $after; |
|
2505 } |
|
2506 } |