How to install PHP (7.3, 7.2 and 7.0) on Ubuntu 18.04 and 16.04?

PHP 7.3 is the latest stable version of PHP, if you want to install a specific version of PHP, then this article will help you. This article will introduce to you how to use PPA to install PHP 7.3, 7.2, 7.1 and PHP 7.0 on Ubuntu 18.04 and 16.04. (PPA's full name is Personal Package Archives, which is Personal Package Document)

You can install multiple PHP versions on the system and switch PHP versions between them. Additionally, Apache VirtualHosts can be configured to use different PHP versions.

Install PHP 7.3 on Ubuntu

Use the following set of commands to enable PPA for PHP 7.3 in your Ubuntu system and install it.

$ sudo apt-get install python-software-properties
$ sudo add-apt-repository ppa:ondrej/php
$ sudo apt-get update
$ sudo apt-get install -y php7.3

Now use the following command to check the installed php version on your system.

$ php -v 

PHP 7.3.0-1+ubuntu18.04.1+deb.sury.org+1 (cli) (built: Dec  6 2018 20:24:55) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.0-dev, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.3.0-1+ubuntu18.04.1+deb.sury.org+1, Copyright (c) 1999-2018, by Zend Technologies

Installing PHP 7.2 on Ubuntu

The stable version of PHP 7.2 has been released. Use the following set of commands to enable PPA for PHP 7.2 in your Ubuntu system and install it.

$ sudo apt-get install python-software-properties
$ sudo add-apt-repository ppa:ondrej/php
$ sudo apt-get update
$ sudo apt-get install -y php7.2

Now use the following command to check the installed php version on your system.

$ php -v 

PHP 7.2.10-0ubuntu0.18.04.1 (cli) (built: Sep 13 2018 13:45:02) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.2.10-0ubuntu0.18.04.1, Copyright (c) 1999-2018, by Zend Technologies

Install PHP 7.1 on Ubuntu

Use the following set of commands to add PPA for PHP 7 in Ubuntu system and install PHP 7.1 version.

$ sudo apt-get install python-software-properties
$ sudo add-apt-repository ppa:ondrej/php
$ sudo apt-get update
$ sudo apt-get install -y php7.1

Now use the following command to check the installed php version on your system.

$ php -v 

PHP 7.1.24-1+ubuntu18.04.1+deb.sury.org+1 (cli) (built: Nov 12 2018 09:23:58) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.1.24-1+ubuntu18.04.1+deb.sury.org+1, Copyright (c) 1999-2018, by Zend Technologies

Install PHP 7.0 on Ubuntu

Also use the following command set to add PPA for PHP 7 in the Ubuntu system and install PHP 7.0 version.

$ sudo apt-get install python-software-properties
$ sudo add-apt-repository ppa:ondrej/php
$ sudo apt-get update
$ sudo apt-get install -y php7.0

Now use the following command to check the installed php version on your system.

$ php -v 

PHP 7.0.32-4+ubuntu18.04.1+deb.sury.org+1 (cli) (built: Nov  4 2018 05:11:17) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies
    with Zend OPcache v7.0.32-4+ubuntu18.04.1+deb.sury.org+1, Copyright (c) 1999-2017, by Zend Technologies

Installing PHP 7 Modules

You may also need to install modules based on your application needs. Use the following command to search the package repository for available PHP 7 modules.

$ sudo apt-cache search php7*

php-all-dev - package depending on all supported PHP development packages
php7.0 - server-side, HTML-embedded scripting language (metapackage)
php7.0-cgi - server-side, HTML-embedded scripting language (CGI binary)
php7.0-cli - command-line interpreter for the PHP scripting language
php7.0-common - documentation, examples and common module for PHP
php7.0-curl - CURL module for PHP
php7.0-dev - Files for PHP7.0 module development
php7.0-gd - GD module for PHP
php7.0-gmp - GMP module for PHP
...
...
...
php7.1-xml - DOM, SimpleXML, WDDX, XML, and XSL module for PHP
php7.1-xmlrpc - XMLRPC-EPI module for PHP
php7.1-zip - Zip module for PHP
php7.1-opcache - Zend OpCache module for PHP
php7.1 - server-side, HTML-embedded scripting language (metapackage)
php7.1-xsl - XSL module for PHP (dummy)
...
...
php7.2-bcmath - Bcmath module for PHP
php7.2-bz2 - bzip2 module for PHP
php7.2-cgi - server-side, HTML-embedded scripting language (CGI binary)
php7.2-cli - command-line interpreter for the PHP scripting language
php7.2-common - documentation, examples and common module for PHP
php7.2-curl - CURL module for PHP
php7.2-dba - DBA module for PHP

You can follow the command below to install the required PHP modules on your system. Ensure that the correct PHP version of the package is installed by specifying the version with the package name. Without defining a package version, it will install the latest package.

$ sudo apt-get install php7.2-mysql php7.2-curl php7.2-json php7.2-cgi php7.2-xsl

Related recommendations: "PHP Tutorial"

This article is about the steps to install PHP (7.3, 7.2 and 7.0) on Ubuntu 18.04 and 16.04 , I hope it will be helpful to friends in need!

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