How to install and configure PHP modules on Linux systems

PHP is a popular server-side scripting language commonly used for website development and dynamic web page generation. On a Linux server, installing and configuring the PHP module is a must. This article will explain how to install and configure PHP modules on Linux systems.

1. Determine the operating system version and PHP version

Before installing the PHP module, you need to determine the operating system version and PHP version. The installation and configuration methods may differ for different Linux distributions and PHP versions. You can check the operating system version and PHP version through the following commands:

$ cat /etc/os-release
$ php -v

2. Install PHP extension dependencies

To install PHP extensions, you need to install PHP extension dependencies first. For most Linux distributions, PHP extension dependencies can be installed through the package manager. For example, use apt-get to install PHP extension dependencies:

$ sudo apt-get install php-dev

3. Download and configure the PHP extension source code

To install the PHP extension, you need to download and configure the PHP extension source code . You can download the PHP extension source code from the official website or Github. After downloading the PHP extension source code, you need to unzip it to a suitable directory and then enter that directory.

$ tar xzf php-xxx.tar.gz
$ cd php-xxx/ext/xxx

After decompressing and entering the PHP extension source code directory, you need to configure the PHP extension through the PHP configuration script. You can use the following commands to configure the PHP extension:

$ phpize

4. Compile and install the PHP extension

After configuring the PHP extension, you need to install the PHP extension to in the system. You can use the following commands to compile and install PHP extensions:

$ ./configure
$ make
$ sudo make install

5. Configure PHP extension

After installing the PHP extension, you need to configure it into the PHP configuration file. You can modify the PHP configuration file through the following command:

$ sudo nano /etc/php/xxx/php.ini

In the php.ini file, you need to add the following content:

[xxx]
extension=xxx.so

where xxx is the name of the PHP extension. For example, to configure the gd graphics library extension, add the following content in the php.ini file:

[gd]
extension=gd.so

6. Restart the web server and PHP-FPM

After completing the above steps , you need to restart the web server and PHP-FPM for the PHP extension to take effect. You can use the following command to restart the web server and PHP-FPM:

$ sudo service apache2 restart
$ sudo service php-fpm restart

7. Testing the PHP extension

Finally, you need to test whether the PHP extension is successfully installed and working properly. You can create a simple PHP file to test, for example:

<?php
phpinfo();
?>

Open the file in a browser and see if the installed extension shows up in the PHP information.

Summary

Installing and configuring PHP extensions is one of the key steps in configuring a PHP environment on a Linux server. This article introduces the basic steps to install and configure PHP extensions, as well as common PHP extension installation methods. Hopefully this article will help you successfully install and configure PHP extensions on your Linux system.

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