PHP生成一个完全白页，没有错误，日志或标题。

While running some PHP code on my private WAMP PC I'm suddenly getting a blank response from the server - no response actually. No headers, no data, nothing in the PHP error logs, nada. I restarted APACHE and PHP but still nothing. I know php is working because I can access other PHP scripts just fine.While running some PHP code on my private WAMP