"未知" PHP错误 - 这是什么意思？ [英] "Unknown" PHP error - what is that supposed to mean?

问题描述

可能存在重复：

[Mon Jan 10 21:01:26 2011] [error] [client xx.xx.xxx.xx] PHP警告：无法修改标题信息 - 标题已经存在发送到未知的第0行，referer：www.example.com/some.php

为什么PHP无法找到标题是从哪里发出的？

解决方案

看看<？。标题功能非常敏感，如果有任何事情在手前输出，则不起作用。


Possible Duplicate:
How to fix "Headers already sent" error in PHP

[Mon Jan 10 21:01:26 2011] [error] [client xx.xx.xxx.xx] PHP Warning: Cannot modify header information - headers already sent in Unknown on line 0, referer: www.example.com/some.php

Why PHP is not able to locate where the headers were sent from?

解决方案

See if you have a space after <?. The header function is quite sensitive and doesnt work if anything is outputted before hand.

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