Where Is Php Ini Located

PHP Programming

I’m often asked about the location of the PHP ini file, and it’s a topic that can be a bit confusing for newcomers to PHP. In this article, I’ll dive deep into the details of where the PHP ini file is located and provide some personal commentary along the way.

Firstly, let’s start with a bit of background information. The PHP ini file, also known as the php.ini file, is a configuration file used by PHP to customize its behavior. It contains various settings that can be adjusted to meet the specific needs of your PHP application.

Now, depending on the operating system and PHP installation method you’re using, the location of the php.ini file can vary. I’ll cover some of the most common scenarios:

1. Default Location on Unix/Linux

On Unix-like systems, such as Linux, the php.ini file is typically located in the /etc directory. Specifically, you can find it as /etc/php.ini for PHP versions prior to 7.4 and /etc/php/{version}/php.ini for PHP versions 7.4 and above, where {version} represents the PHP version number.

2. Default Location on Windows

On Windows, the location of the php.ini file depends on how PHP was installed. If PHP was installed using an installer package like XAMPP or WAMP, you can usually find the php.ini file in the installation directory of the PHP package, such as C:\xampp\php or C:\wamp\bin\php\{version}.

3. Custom Location

In some cases, you may have a custom installation of PHP where the php.ini file is placed in a different location. This could be due to configuration changes made during the installation process or specific requirements of your server environment.

To find the exact location of the php.ini file on your system, you can check the output of the phpinfo() function. Simply create a PHP file with the following code:

When you load this PHP file in your browser, it will display a comprehensive PHP information page. Look for the “Loaded Configuration File” section, which will provide the full path to your php.ini file.

It’s worth noting that for some web hosting providers, access to the php.ini file may be restricted for security reasons. In such cases, you may need to contact your hosting provider and request assistance with any necessary configuration changes.


So, there you have it! The location of the PHP ini file can vary depending on the operating system and installation method. By default, on Unix/Linux systems, it is usually found in the /etc directory, while on Windows it is typically located in the PHP installation directory. If you have a custom installation, the location may be different, and you can always use the phpinfo() function to find it.

I hope this article has provided you with a deeper understanding of where the PHP ini file is located. Remember, it’s an essential file for configuring PHP to suit your needs, so knowing its location is crucial for making any necessary adjustments.