PHP写日志函数

 1     function WriteLog($msg)
 2     {
 3         $filename = dirname(__FILE__) ."\\Debug.log";
 4         $handler = null;
 5 
 6         if (($handler = fopen($filename, ‘ab+‘)) !== false)
 7         {
 8             fwrite($handler, ‘[‘.date(‘Y-m-d H:i:s‘).‘]‘."\t".$msg."\n");
 9             fclose($handler);
10         }
11     }