Show php ini file

[How To] find php.ini file location

If you are a Linux/Unix user who is working with PHP, you may need to edit the php.ini file at some point in time. But where do you find this file? In this article, we will discuss different ways to locate the php.ini file on Linux/Unix servers.

Table of Contents

Using the phpinfo() Function

The phpinfo() function is a great tool for checking your PHP configuration settings. It can also help you find the location of the php.ini file on your server. Here are the steps to follow:

Create a new PHP file with the following code:

Using the Command Line

If you have access to the command line on your server, you can use the following command to find the location of the php.ini file:

This will display the location of the php.ini file on your server.

Checking with Your Hosting Provider

If you are on a shared hosting plan, you may not have access to the php.ini file. In this case, you can contact your hosting provider to find out the location of the file.

Looking for the Default Location

If you cannot find the php.ini file using the methods above, you can try looking for the default location. On Windows, the php.ini file is typically located in the Windows directory, such as C:\windows or C:\winnt. On Linux/Unix, it is typically located in /etc/ or /usr/local/lib/.

Using the locate Command

The locate command is a fast way to search for files on your server. You can use the following command to locate the php.ini file:

This will display a list of all files on your server that match the search term “php.ini”.

Using the find Command

The find command is another way to search for files on your server. You can use the following command to find the php.ini file:

This will search your entire server for the file named “php.ini” and display the location of the file.

It is important to note that you may have multiple php.ini files on your server. Make sure you are editing the correct one.

Conclusion

Locating the php.ini file on Linux/Unix servers may seem like a daunting task, but there are several ways to find it. You can use the phpinfo() function, the command line, check with your hosting provider, or look for the default location. In addition, you can use the locate or find command to search for the file. Once you have found the file, you can make the necessary changes to customize your PHP environment to suit your needs.

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How to find the php.ini file used by the command line?

There are a few ways to locate php.ini file by command line on Linux Ubuntu, Linux Mint, and other Linux distributions. Some of the options showed here are also compatible with Windows, specially usin WSL.

What is php.ini

The php.ini file is the configuration file that is read when PHP starts up. For the server module versions of PHP, this happens only once when the web server is started. For the CGI and CLI versions, it happens on every invocation.

It is the main place where you declare changes to your PHP settings. The server is already configured with standard settings for PHP, which your site or application will use by default. Unless you need to change one or more settings, there is no need to create or modify a php.ini file.

Where is php.ini file located by default

The php.ini file is searched for in these locations (in order):

• SAPI module specific location (PHPIniDir directive in Apache 2, -c command line option in CGI and CLI)
• The PHPRC environment variable.
• The location of the php.ini file can be set for different versions of PHP. The root of the registry keys depends on 32- or 64-bitness of the installed OS and PHP. For 32-bit PHP on a 32-bit OS or a 64-bit PHP on a 64-bit OS use [(HKEY_LOCAL_MACHINE\SOFTWARE\PHP] for 32-bit version of PHP on a 64-bit OS use [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\PHP]] instead. For same bitness installation the following registry keys are examined in order: [HKEY_LOCAL_MACHINE\SOFTWARE\PHP\x.y.z], [HKEY_LOCAL_MACHINE\SOFTWARE\PHP\x.y] and [HKEY_LOCAL_MACHINE\SOFTWARE\PHP\x], where x, y and z mean the PHP major, minor and release versions. For 32 bit versions of PHP on a 64 bit OS the following registry keys are examined in order: [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6421Node\PHP\x.y.z], [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6421Node\PHP\x.y] and [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6421Node\PHP\x], where x, y and z mean the PHP major, minor and release versions. If there is a value for IniFilePath in any of these keys, the first one found will be used as the location of the php.ini (Windows only).
• [HKEY_LOCAL_MACHINE\SOFTWARE\PHP] or [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\PHP], value of IniFilePath (Windows only).
• Current working directory (except CLI).
• The web server’s directory (for SAPI modules), or directory of PHP (otherwise in Windows).
• Windows directory (C:\windows or C:\winnt) (for Windows), or –with-config-file-path compile time option.

If php-SAPI.ini exists (where SAPI is the SAPI in use, so, for example, php-cli.ini or php-apache.ini ), it is used instead of php.ini . The SAPI name can be determined with php_sapi_name() (returns the type of interface between web server and PHP).

The Apache web server changes the directory to root at startup, causing PHP to attempt to read php.ini from the root filesystem if it exists.

How can I find the php.ini file from command line

php –ini

There is a simple option called —ini that you can use when run php command:

The output will show where is the php.ini used by command line, as well additional scanned configuration files:

Configuration File (php.ini) Path: /etc/php/7.4/cli Loaded Configuration File: /etc/php/7.4/cli/php.ini Scan for additional .ini files in: /etc/php/7.4/cli/conf.d Additional .ini files parsed: /etc/php/7.4/cli/conf.d/10-mysqlnd.ini, /etc/php/7.4/cli/conf.d/10-pdo.ini, /etc/php/7.4/cli/conf.d/15-xml.ini, /etc/php/7.4/cli/conf.d/20-bcmath.ini, /etc/php/7.4/cli/conf.d/20-exif.ini, /etc/php/7.4/cli/conf.d/20-gd.ini, /etc/php/7.4/cli/conf.d/20-gettext.ini, /etc/php/7.4/cli/conf.d/20-iconv.ini, /etc/php/7.4/cli/conf.d/20-intl.ini, /etc/php/7.4/cli/conf.d/20-json.ini, /etc/php/7.4/cli/conf.d/20-mbstring.ini, /etc/php/7.4/cli/conf.d/20-mysqli.ini, /etc/php/7.4/cli/conf.d/20-pdo_mysql.ini, /etc/php/7.4/cli/conf.d/20-pdo_pgsql.ini, /etc/php/7.4/cli/conf.d/20-pdo_sqlite.ini, /etc/php/7.4/cli/conf.d/20-pgsql.ini, /etc/php/7.4/cli/conf.d/20-redis.ini, /etc/php/7.4/cli/conf.d/20-simplexml.ini, /etc/php/7.4/cli/conf.d/20-sockets.ini, /etc/php/7.4/cli/conf.d/20-sqlite3.ini, /etc/php/7.4/cli/conf.d/20-xmlreader.ini, /etc/php/7.4/cli/conf.d/20-xmlwriter.ini, /etc/php/7.4/cli/conf.d/20-xsl.ini, /etc/php/7.4/cli/conf.d/20-zip.ini, /etc/php/7.4/cli/conf.d/xdebug.ini 

php-config –ini-dir

Using php-config you can list only the path where the main PHP configuration file is located:

The output is something like:

php -i and grep

The command php -i shows a complete phpinfo() result. You can find all configurations and apply grep command to filter only the .ini configuration file:

php -i | grep 'Configuration File' 

Or in Windows you can use find instead:

php -i | find/i"configuration file" 

The result to both command will be similar to:

Configuration File (php.ini) Path => /etc/php/7.4/cli Loaded Configuration File => /etc/php/7.4/cli/php.ini 

Finally you can use grep to filter all lines of the phpinfo() that shows .ini :

The output will be similar to php -i command:

Configuration File (php.ini) Path: /etc/php/7.4/cli Loaded Configuration File: /etc/php/7.4/cli/php.ini Scan for additional .ini files in: /etc/php/7.4/cli/conf.d Additional .ini files parsed: /etc/php/7.4/cli/conf.d/10-mysqlnd.ini, /etc/php/7.4/cli/conf.d/10-pdo.ini, /etc/php/7.4/cli/conf.d/15-xml.ini, /etc/php/7.4/cli/conf.d/20-bcmath.ini, /etc/php/7.4/cli/conf.d/20-exif.ini, /etc/php/7.4/cli/conf.d/20-gd.ini, /etc/php/7.4/cli/conf.d/20-gettext.ini, /etc/php/7.4/cli/conf.d/20-iconv.ini, /etc/php/7.4/cli/conf.d/20-intl.ini, /etc/php/7.4/cli/conf.d/20-json.ini, /etc/php/7.4/cli/conf.d/20-mbstring.ini, /etc/php/7.4/cli/conf.d/20-mysqli.ini, /etc/php/7.4/cli/conf.d/20-pdo_mysql.ini, /etc/php/7.4/cli/conf.d/20-pdo_pgsql.ini, /etc/php/7.4/cli/conf.d/20-pdo_sqlite.ini, /etc/php/7.4/cli/conf.d/20-pgsql.ini, /etc/php/7.4/cli/conf.d/20-redis.ini, /etc/php/7.4/cli/conf.d/20-simplexml.ini, /etc/php/7.4/cli/conf.d/20-sockets.ini, /etc/php/7.4/cli/conf.d/20-sqlite3.ini, /etc/php/7.4/cli/conf.d/20-xmlreader.ini, /etc/php/7.4/cli/conf.d/20-xmlwriter.ini, /etc/php/7.4/cli/conf.d/20-xsl.ini, /etc/php/7.4/cli/conf.d/20-zip.ini, /etc/php/7.4/cli/conf.d/xdebug.ini 

Conclusions

There are several ways to find php.ini file and other configurations files of your PHP installation using native commands on terminal.

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Where is php.ini? Find the Correct PHP Configuration File

The php.ini file is a configuration file used by PHP to specify settings for your web server, such as file upload size, error reporting, and memory usage. However, the location of the php.ini file can vary depending on your server setup and operating system.

In this tutorial, we will explore a few methods to help you locate the correct php.ini file on your web server.

Method 1: Use phpinfo() function

The phpinfo() function displays detailed information about your PHP configuration, including the location of your php.ini file. To use this function, follow these steps:

1. Create a new PHP file on your web server. You can name it anything you like, but for this tutorial, we will name it phpinfo.php.
2. Open the phpinfo.php file in a text editor and add the following code:

You should see a page with detailed information about your PHP configuration. Look for the “Loaded Configuration File” section, which should contain the full path to your php.ini file.

Method 2: Use the command line

If you have access to the command line, you can use the `php —ini` command to find the location of the php.ini file. Follow these steps:

1. Log in to your web server using SSH or another terminal application.
2. Type the following command and press Enter:

This command will display a list of all the php.ini files that are currently being used, as well as their locations.

Method 3: Check default locations

Depending on your operating system and server configuration, the php.ini file may be located in one of the default locations. Here are some common default locations:

On Linux:

On Windows:

You can try searching for the php.ini file in these locations using your FTP or file manager.

If none of these methods work, you can contact your web hosting provider or system administrator for assistance in locating the php.ini file on your server.

Conclusion

The php.ini file is an essential configuration file for PHP. By following the methods outlined in this tutorial, you should be able to locate the correct php.ini file on your web server. Remember, the location of the php.ini file can vary depending on your server setup and operating system, so it’s important to double-check the location before making any changes to the file.

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