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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 |
|---|---|
| 52 | 'exclude' => '' |
| 53 | ); |
| 54 | |
| 55 | $r = wp_parse_args( $args, $defaults ); |
| 56 | extract( $r, EXTR_SKIP ); |
| 57 | |
| 58 | $key = md5( serialize( $r ) ); |
| 59 | if ( $cache = wp_cache_get( 'get_bookmarks', 'bookmark' ) ) |
| 60 | if ( isset( $cache[ $key ] ) ) |
| 61 | return apply_filters('get_bookmarks', $cache[ $key ], $r ); |
| 62 | |
| 63 | $inclusions = ''; |
| 64 | if ( !empty($include) ) { |
| 65 | $exclude = ''; //ignore exclude, category, and category_name params if using include |
| 66 | $category = ''; |
| 67 | $category_name = ''; |
| 68 | $inclinks = preg_split('/[\s,]+/',$include); |
| 69 | if ( count($inclinks) ) { |
| 70 | foreach ( $inclinks as $inclink ) { |
| Line | Code |
| 151 | $query .= " ORDER BY $orderby $order"; |
| 152 | if ($limit != -1) |
| 153 | $query .= " LIMIT $limit"; |
| 154 | |
| 155 | $results = $wpdb->get_results($query); |
| 156 | |
| 157 | $cache[ $key ] = $results; |
| 158 | wp_cache_set( 'get_bookmarks', $cache, 'bookmark' ); |
| 159 | |
| 160 | return apply_filters('get_bookmarks', $results, $r); |
| 161 | } |
| 162 | |
| 163 | function sanitize_bookmark($bookmark, $context = 'display') { |
| 164 | $fields = array('link_id', 'link_url', 'link_name', 'link_image', 'link_target', 'link_category', |
| 165 | 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_updated', |
| 166 | 'link_rel', 'link_notes', 'link_rss', ); |
| 167 | |
| 168 | $do_object = false; |
| 169 | if ( is_object($bookmark) ) |