private static function _calculate_item($item) { $microtime_end = microtime(); return array('name' => $item['name'], 'time' => self::_microtime_diff($item['microtime_start'], $microtime_end), 'microtime_start' => $item['microtime_start'], 'microtime_end' => $microtime_end, 'queries' => Database::getN() - $item['queries_start'], 'children' => $item['children']); }