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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 3 times in this file.
| Line | Code |
|---|---|
| 141 | * the full cached results. |
| 142 | * |
| 143 | * @since 2.1.0 |
| 144 | * |
| 145 | * @see get_bookmarks() |
| 146 | * |
| 147 | * @param array $bookmarks List of the cached bookmarks. |
| 148 | * @param array $r An array of bookmark query arguments. |
| 149 | */ |
| 150 | return apply_filters( 'get_bookmarks', $bookmarks, $r ); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | if ( ! is_array( $cache ) ) { |
| 155 | $cache = array(); |
| 156 | } |
| 157 | |
| 158 | $inclusions = ''; |
| 159 | if ( ! empty( $r['include'] ) ) { |
| Line | Code |
| 193 | } |
| 194 | |
| 195 | if ( ! empty( $r['category_name'] ) ) { |
| 196 | if ( $r['category'] = get_term_by('name', $r['category_name'], 'link_category') ) { |
| 197 | $r['category'] = $r['category']->term_id; |
| 198 | } else { |
| 199 | $cache[ $key ] = array(); |
| 200 | wp_cache_set( 'get_bookmarks', $cache, 'bookmark' ); |
| 201 | /** This filter is documented in wp-includes/bookmark.php */ |
| 202 | return apply_filters( 'get_bookmarks', array(), $r ); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | $search = ''; |
| 207 | if ( ! empty( $r['search'] ) ) { |
| 208 | $like = '%' . $wpdb->esc_like( $r['search'] ) . '%'; |
| 209 | $search = $wpdb->prepare(" AND ( (link_url LIKE %s) OR (link_name LIKE %s) OR (link_description LIKE %s) ) ", $like, $like, $like ); |
| 210 | } |
| 211 | |
| Line | Code |
| 284 | $query .= ' LIMIT ' . $r['limit']; |
| 285 | } |
| 286 | |
| 287 | $results = $wpdb->get_results( $query ); |
| 288 | |
| 289 | $cache[ $key ] = $results; |
| 290 | wp_cache_set( 'get_bookmarks', $cache, 'bookmark' ); |
| 291 | |
| 292 | /** This filter is documented in wp-includes/bookmark.php */ |
| 293 | return apply_filters( 'get_bookmarks', $results, $r ); |
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * Sanitizes all bookmark fields |
| 298 | * |
| 299 | * @since 2.3.0 |
| 300 | * |
| 301 | * @param object|array $bookmark Bookmark row |
| 302 | * @param string $context Optional, default is 'display'. How to filter the |