Install PHP 7.3, 7.2, 7.1 on CentOS/RHEL 6.10

Configure Yum Repository

First of all, you need to enable Remi and EPEL yum repositories on your system. Use the following command to install EPEL repository on your CentOS and Red Hat 7/6 systems

Use this command to install epel-release yum repository

yum install epel-release

and now execute one of the following commands as per your operating system version to install Remi repository.

rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

Install PHP 7 on CentOS 6

Your system is prepared for the PHP installation from yum repositories. Use one of the following commands to install PHP 7.3 or PHP 7.2 or PHP 7.1 on your system based on your requirements.

## Install PHP 7.3 
yum --enablerepo=remi-php73 install php

## Install PHP 7.2 
yum --enablerepo=remi-php72 install php

## Install PHP 7.1 
yum --enablerepo=remi-php71 install php

I have installed the latest version PHP 7.3 on my system. Now running the following command to check current active PHP version on my system.

php -v

PHP 7.3.0 (cli) (built: Dec 4 2018 16:12:20) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.0-dev, Copyright (c) 1998-2018 Zend Technologies

Install PHP Modules

You may also need to install additional PHP modules based on your application requirements. Below command will install some more useful PHP modules.

### For PHP 7.3
yum --enablerepo=remi-php73 install php-xml php-soap php-xmlrpc php-mbstring php-json php-gd php-mcrypt

### For PHP 7.2
yum --enablerepo=remi-php72 install php-xml php-soap php-xmlrpc php-mbstring php-json php-gd php-mcrypt

### For PHP 7.1
yum --enablerepo=remi-php71 install php-xml php-soap php-xmlrpc php-mbstring php-json php-gd php-mcrypt

You can run the following command to search other available PHP modules under configured yum repositories. Below example command search for all modules for PHP 7.3.

yum --enablerepo=remi-php73 search php | grep php73

php73.x86_64 : Package that installs PHP 7.3
php73-php.x86_64 : PHP scripting language for creating dynamic web sites
php73-php-bcmath.x86_64 : A module for PHP applications for using the bcmath
php73-php-brotli.x86_64 : Brotli Extension for PHP
php73-php-cli.x86_64 : Command-line interface for PHP
php73-php-common.x86_64 : Common files for PHP
...
...