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Where is the PHP configuration file php.ini? How to find and modify the php.ini file that PHP actually uses?
Where is the PHP configuration file php.ini? How to find and modify the php.ini file that PHP actually uses?
Apr 01, 2025 am 06:33 AM
Looking for the correct path to PHP configuration file php.ini
Many PHP developers will encounter the problem of finding the path of php.ini file when configuring the PHP environment. Sometimes, PHP programs display multiple paths, for example: Configuration File (php.ini) Path and Loaded Configuration File display different paths, which often cause trouble. This article will explain how to find and modify the location of the php.ini file that PHP is actually using in this case.
The information displayed in the question states that Configuration File (php.ini) Path is C:\WINDOWS, while Loaded Configuration File is D:\phpstudy_pro\Extensions\php\php7.4.3nts\php.ini. This shows that the PHP interpreter first tried to look for the php.ini file in the C:\WINDOWS directory, but it was not found. Finally, the file D:\phpstudy_pro\Extensions\php\php7.4.3nts\php.ini was loaded.
So, how to modify the php.ini file actually loaded by PHP? The answer lies in understanding PHP's configuration file scanning mechanism. PHP does not only look for php.ini in a fixed location. It searches in a certain order until the first valid php.ini file is found. If you want to modify the configuration file used by PHP, you can refer to the instructions on the scanning location of the configuration file in the official PHP manual. By setting the PHP_INI_SCAN_DIR environment variable, you can specify additional directories for PHP searching for php.ini files. This way, PHP can be booted to load the configuration file we expect. By adding a new directory to the environment variable, you can place your custom php.ini file in priority loading.
The above is the detailed content of Where is the PHP configuration file php.ini? How to find and modify the php.ini file that PHP actually uses?. For more information, please follow other related articles on the PHP Chinese website!
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