php5.6,Ajax报错，Warning: Cannot modify header information - headers already sent in Unknown on line 0(
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php5.6ajax报错
Deprecated: Automatically populating $HTTP_RAW_POST_DATA is deprecated and will be removed in a future version. To avoid this warning set ‘always_populate_raw_post_data‘ to ‘-1‘ in php.ini and use the php://input stream instead. in Unknown on line 0
Warning: Cannot modify header information - headers already sent in Unknown on line 0
解决方法：
打开php.ini的配置文件，找到以下代码
always_populate_raw_post_data = -1
把分号去掉即可。
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