Centos7 installs php7 environment

CentOS 7 system is a widely used server operating system. Its stability and security make it one of the preferred operating systems for use in server environments. PHP 7 is a widely used high-performance server-side scripting language, and many websites and applications are written using PHP. In this article, we will introduce how to install PHP 7 environment on CentOS 7 system.

Step One: Update the yum source

Before starting the installation, we need to update the yum source of the system. Execute the following command:

sudo yum update

This will update the system's yum source to ensure that we get the latest packages.

Step 2: Add PHP software source

Since CentOS 7’s own source only provides PHP 5.x version, we need to add a third-party PHP software source. We can use the PHP 7 package provided by Remi software repository. Execute the following command to add the Remi software source:

sudo rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm

After successful installation, we need to enable the Remi software source. Enable the PHP 7 remi source through the following command:

sudo yum-config-manager --enable remi-php70

Now, we have successfully added the Remi software source and enabled the PHP 7 remi source.

Step 3: Install PHP 7

Execute the following command to install PHP 7:

sudo yum install php

This command will install PHP 7 and all its necessary components and dependencies.

Step 4: Enable necessary PHP modules

On Linux systems, there are some necessary modules and extensions in the Apache server and PHP to ensure that PHP and Apache server work smoothly. The following are the recommended necessary PHP modules:

• php-mysql - MySQL database support module
• php-pdo - PHP database support module
• php-xml - PHP XML support module
• php-curl - PHP CURL support module
• php-gd - PHP GD image processing module
• php-mbstring - PHP multi-byte string support Modules

You can install these modules through the following command:

sudo yum install php-mysql php-pdo php-xml php-curl php-gd php-mbstring

Step 5: Restart the Apache server

After installing the necessary PHP modules, we need Restart the Apache server for it to take effect. Execute the following command:

sudo service httpd restart

Now, we have successfully installed the PHP 7 environment on the CentOS 7 system, and we can use it to develop and deploy PHP 7 applications.

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