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Source View: get_bookmarks

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

This hook occurs 3 times in this file.

Line Code
125      );
126
127      $r = wp_parse_args( $args, $defaults );
128      extract( $r, EXTR_SKIP );
129
130      $cache = array();
131      $key = md5( serialize( $r ) );
132      if ( $cache = wp_cache_get( 'get_bookmarks', 'bookmark' ) ) {
133           if ( is_array($cache) && isset( $cache[ $key ] ) )
134                return apply_filters('get_bookmarks', $cache[ $key ], $r );
135      }
136
137      if ( !is_array($cache) )
138           $cache = array();
139
140      $inclusions = '';
141      if ( !empty($include) ) {
142           $exclude = '';  //ignore exclude, category, and category_name params if using include
143           $category = '';
 
Line Code
170      if (!empty($exclusions))
171           $exclusions .= ')';
172
173      if ( !empty($category_name) ) {
174           if ( $category = get_term_by('name', $category_name, 'link_category') ) {
175                $category = $category->term_id;
176           } else {
177                $cache[ $key ] = array();
178                wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
179                return apply_filters( 'get_bookmarks', array(), $r );
180           }
181      }
182
183      if ( ! empty($search) ) {
184           $search = like_escape($search);
185           $search = " AND ( (link_url LIKE '%$search%') OR (link_name LIKE '%$search%') OR (link_description LIKE '%$search%') ) ";
186      }
187
188      $category_query = '';
 
Line Code
249      $query .= " ORDER BY $orderby $order";
250      if ($limit != -1)
251           $query .= " LIMIT $limit";
252
253      $results = $wpdb->get_results($query);
254
255      $cache[ $key ] = $results;
256      wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
257
258      return apply_filters('get_bookmarks', $results, $r);
259 }
260
261 /**
262  * Sanitizes all bookmark fields
263  *
264  * @since 2.3.0
265  *
266  * @param object|array $bookmark Bookmark row
267  * @param string $context Optional, default is 'display'. How to filter the