Manual:Php.ini/zh

php.ini is the PHP configuration file. This file will sometimes need to be modified; e.g. it might be necessary to set  if you get the error "Fatal error: Maximum function nesting level of '100' reached, aborting!" After you make changes, use  to reload the config files without actually killing the webserver and starting it back up.

File location
在某些情况下PHP安装会有两个php.ini文件，一个用于处理Web服务器请求的php_sapi模块，另一个用于PHP命令行的二进制.

To find it for the command line binary, use.

For the web module, create a sample php file with this content:

and access it from the web server. It should display a lot of information about your PHP installation, including the location of the php.ini file.

另见

 * Manual:How to debug