php.ini Basics

After you have compiled or installed PHP, you can still change its behavior with the php.ini file. On Unix systems, the default location for this file is /usr/local/php/lib, or the lib subdirectory of the PHP installation location you used at configuration time. On a Windows system, this file should be in the Windows directory.

Directives in the php.ini file come in two forms: values and flags. Value directives take the form of a directive name and a value separated by an equal sign. Possible values vary from directive to directive. Flag directives take the form of a directive name and a positive or negative term separated by an equal sign. Positive terms include 1, On, Yes, and True. Negative terms include 0, Off, No, and False ...

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