php错误提示
项目出错了,但运行的时候页面一片空白,不知道错在哪里.
在php.ini里error_reporting = E_ALL修改
重启后运行发现还是没有错误提示
回复讨论(解决方案)
display_errors = On
这样才能看到错误信息
仅 error_reporting = E_ALL 是没有用的
因为 error_reporting 要到程序运行期间才生效，如果错误发生在编译期间呢？
在php.ini有如下
; display_errors
; Default Value: On
; Development Value: On
; Production Value: Off
我把1,2,分号去掉.
这样的话我有个疑问,那些警告会显示出来吗?
因为之前连接mysql(说这个连接以后会被遗弃),老是有警告,后来用error_reporting设置忽略警告
重新配置环境
在php.ini有如下
; display_errors
; Default Value: On
; Development Value: On
; Production Value: Off
我把1,2,分号去掉.
这样的话我有个疑问,那些警告会显示出来吗?
因为之前连接mysql(说这个连接以后会被遗弃),老是有警告,后来用error_reporting设置忽略警告
你这些是配置文件中的说明部分，实际的配置指令如下
http://cn2.php.net/manual/zh/errorfunc.configuration.php#ini.error-reporting
如版主提供给你的
display_errors = On
还有对于线上的服务器是不应该把它打开的，错误信息中会显示你文件的路径以及资源信息(例如数据库帐号密码)，可以让它显示在apache或者nginx的errorlog中
PS: 学PHP要把手册多看看
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