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Source View: posts_search

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

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

Line Code
2194
2195                if ( !empty($search) ) {
2196                     $search = " AND ({$search}) ";
2197                     if ( !is_user_logged_in() )
2198                          $search .= " AND ($wpdb->posts.post_password = '') ";
2199                }
2200           }
2201
2202           // Allow plugins to contextually add/remove/modify the search section of the database query
2203           $search = apply_filters_ref_array('posts_search', array( $search, &$this ) );
2204
2205           // Taxonomies
2206           if ( !$this->is_singular ) {
2207                $this->parse_tax_query( $q );
2208
2209                $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
2210
2211                $join .= $clauses['join'];
2212                $where .= $clauses['where'];