CentOS に PHP をインストールするにはどうすればよいですか?

# yum install epel-release

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

## 安装PHP 7.3 
$ yum --enablerepo=remi-php73 install php

## 安装PHP 7.2 
$ yum --enablerepo=remi-php72 install php

## 安装PHP 7.1 
$ yum --enablerepo=remi-php71 install php

$ 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

### 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

$ 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
...
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