php有些系统会报错或提示 Cannot modify header information - headers already sent by

时间：2014-02-18 21:35:48 阅读：473 评论：0 收藏：0 [点我收藏+]

Warning: Cannot modify header information - headers already sent by (output started at /home/test/domains/test.nl/public_html/wp-content/themes/mugen/engine/theme-scripts.php:1) in /home/test/domains/test.nl/public_html/wp-content/plugins/woocommerce/classes/class-wc-session-handler.php on line 63

出现这样的情况的原因很多，比如：

1、<?php 或 ?> 前面有空白符

2、<?php 前面有html代码

3、文件不是无BOM的UTF8编码等

stackoverflow上的文章：

http://stackoverflow.com/questions/8028957/how-to-fix-headers-already-sent-error-in-php/8028987#8028987

http://stackoverflow.com/questions/19925262/warning-cannot-modify-header-information-headers-already-sent-by-php-error?answertab=active#tab-top

php有些系统会报错或提示 Cannot modify header information - headers already sent by

原文：http://www.cnblogs.com/ayseeing/p/3554220.html

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