function write($message,$level='error',$type=3,$destination='',$extra='') { $log_path = './'; $log_file_size = 100; $now = date('[ c ]'); $type = $type?$type:3; if($type == 3) { // 文件方式记录日志 if(empty($destination)) $destination = $log_path.date('y-m-d').'.log'; //检测日志文件大小，超过配置大小则备份日志文件重新生成 if(is_file($destination) && floor($log_file_size) <= filesize($destination) ) rename($destination,dirname($destination).'/'.basename($destination).'-'.time().'.log'); } error_log("{$now} {$level}: {$message}\r\n", $type,$destination,$extra ); //clearstatcache(); } write('dd');