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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 |
|---|---|
| 146 | * the full cached results. |
| 147 | * |
| 148 | * @since 2.1.0 |
| 149 | * |
| 150 | * @see get_bookmarks() |
| 151 | * |
| 152 | * @param array $bookmarks List of the cached bookmarks. |
| 153 | * @param array $r An array of bookmark query arguments. |
| 154 | */ |
| 155 | return apply_filters( 'get_bookmarks', $bookmarks, $r ); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | if ( !is_array($cache) ) |
| 160 | $cache = array(); |
| 161 | |
| 162 | $inclusions = ''; |
| 163 | if ( !empty($include) ) { |
| 164 | $exclude = ''; //ignore exclude, category, and category_name params if using include |
| Line | Code |
| 193 | $exclusions .= ')'; |
| 194 | |
| 195 | if ( !empty($category_name) ) { |
| 196 | if ( $category = get_term_by('name', $category_name, 'link_category') ) { |
| 197 | $category = $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(), $r ); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | if ( ! empty($search) ) { |
| 207 | $search = esc_sql( like_escape( $search ) ); |
| 208 | $search = " AND ( (link_url LIKE '%$search%') OR (link_name LIKE '%$search%') OR (link_description LIKE '%$search%') ) "; |
| 209 | } |
| 210 | |
| 211 | $category_query = ''; |
| Line | Code |
| 276 | if ($limit != -1) |
| 277 | $query .= " LIMIT $limit"; |
| 278 | |
| 279 | $results = $wpdb->get_results($query); |
| 280 | |
| 281 | $cache[ $key ] = $results; |
| 282 | wp_cache_set( 'get_bookmarks', $cache, 'bookmark' ); |
| 283 | |
| 284 | /** This filter is documented in wp-includes/bookmark.php */ |
| 285 | return apply_filters( 'get_bookmarks', $results, $r ); |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * Sanitizes all bookmark fields |
| 290 | * |
| 291 | * @since 2.3.0 |
| 292 | * |
| 293 | * @param object|array $bookmark Bookmark row |
| 294 | * @param string $context Optional, default is 'display'. How to filter the |