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使用记事本编辑php文件导致的一点问题

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Jun 23, 2016 pm 01:34 PM

今天修改自己在sae上面的WordPress文件的时候，因为没在自己的机器上操作，就使用了记事本，结果提交上去就报错了。

报错内容是 Cannot modify header information - headers already sent by (output started a ，下面是报错的界面：

当然这个sae还没有通过认证，而且只是临时测试用的，过几天就没了。这里就说一下主要原因吧，这里他说在functions.php文件输出了东西，而且这个输出在调用header()之前输出的。

其实这个问题主要就是使用记事本编辑产生的，我这里是进行了一次替换，替换为了源文件，然后就下载了一个notepad++来进行编辑。

通常这种报错的原因还有可能是在输出内容之前有缓存的产生，我们需要设置一下php.ini文件，把output_buffering设置为on即可。

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