function apply_filters($tag, $value) { global $wp_filter, $merged_filters, $wp_current_filter; $args = array(); $wp_current_filter[] = $tag; // Do 'all' actions first if ( isset($wp_filter['all']) ) { $args = func_get_args(); _wp_call_all_hook($args); } if ( !isset($wp_filter[$tag]) ) { array_pop($wp_current_filter); return $value; } // Sort if ( !isset( $merged_filters[ $tag ] ) ) { ksort($wp_filter[$tag]); $merged_filters[ $tag ] = true; } reset( $wp_filter[ $tag ] ); if ( empty($args) ) $args = func_get_args(); do { foreach( (array) current($wp_filter[$tag]) as $the_ ) if ( !is_null($the_['function']) ){ $args[1] = $value; $value = call_user_func_array($the_['function'], array_slice($args, 1, (int) $the_['accepted_args'])); } } while ( next($wp_filter[$tag]) !== false ); array_pop( $wp_current_filter ); return $value; }