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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
2182
2183                if ( !empty($search) ) {
2184                     $search = " AND ({$search}) ";
2185                     if ( !is_user_logged_in() )
2186                          $search .= " AND ($wpdb->posts.post_password = '') ";
2187                }
2188           }
2189
2190           // Allow plugins to contextually add/remove/modify the search section of the database query
2191           $search = apply_filters_ref_array('posts_search', array( $search, &$this ) );
2192
2193           // Taxonomies
2194           if ( !$this->is_singular ) {
2195                $this->parse_tax_query( $q );
2196
2197                $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
2198
2199                $join .= $clauses['join'];
2200                $where .= $clauses['where'];