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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 139 | 'exclude' => '', 'search' => '' |
| 140 | ); |
| 141 | |
| 142 | $r = wp_parse_args( $args, $defaults ); |
| 143 | extract( $r, EXTR_SKIP ); |
| 144 | |
| 145 | $key = md5( serialize( $r ) ); |
| 146 | if ( $cache = wp_cache_get( 'get_bookmarks', 'bookmark' ) ) |
| 147 | if ( isset( $cache[ $key ] ) ) |
| 148 | return apply_filters('get_bookmarks', $cache[ $key ], $r ); |
| 149 | |
| 150 | $inclusions = ''; |
| 151 | if ( !empty($include) ) { |
| 152 | $exclude = ''; //ignore exclude, category, and category_name params if using include |
| 153 | $category = ''; |
| 154 | $category_name = ''; |
| 155 | $inclinks = preg_split('/[\s,]+/',$include); |
| 156 | if ( count($inclinks) ) { |
| 157 | foreach ( $inclinks as $inclink ) { |
| Line | Code |
| 241 | $query .= " ORDER BY $orderby $order"; |
| 242 | if ($limit != -1) |
| 243 | $query .= " LIMIT $limit"; |
| 244 | |
| 245 | $results = $wpdb->get_results($query); |
| 246 | |
| 247 | $cache[ $key ] = $results; |
| 248 | wp_cache_set( 'get_bookmarks', $cache, 'bookmark' ); |
| 249 | |
| 250 | return apply_filters('get_bookmarks', $results, $r); |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Sanitizes all bookmark fields |
| 255 | * |
| 256 | * @since 2.3.0 |
| 257 | * |
| 258 | * @param object|array $bookmark Bookmark row |
| 259 | * @param string $context Optional, default is 'display'. How to filter the |