Install PHP 7.1 on Ubuntu Linux

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PHP Programming Language
PHP Programming Language

PHP 7.1 has proved to be the latest stable version for development at the time of this post. If you want to install PHP 7.1+ on Ubuntu Linux, this is how to do it.

First thing we need to do is to add PHP PPA repository, that can be done via following commands:


$ sudo apt-get install software-properties-common

$ sudo add-apt-repository ppa:ondrej/php

$ sudo apt-get update

After last command issued, you can list all packages related to PHP 7.1 using this command:


$ sudo apt-cache search php7.1

php-amqp - AMQP extension for PHP
php-apcu - APC User Cache for PHP
php-geoip - GeoIP module for PHP
php-igbinary - igbinary PHP serializer
php-imagick - Provides a wrapper to the ImageMagick library
php-mongodb - MongoDB driver for PHP
php-msgpack - PHP extension for interfacing with MessagePack
php-oauth - OAuth 1.0 consumer and provider extension
php-redis - PHP extension for interfacing with Redis
php-rrd - PHP bindings to rrd tool system
php-smbclient - PHP wrapper for libsmbclient
php-solr - PHP extension for communicating with Apache Solr server
php-ssh2 - Bindings for the libssh2 library
php-uuid - PHP UUID extension
php-yac - YAC (Yet Another Cache) for PHP
php-zmq - ZeroMQ messaging bindings for PHP
php-radius - radius client library for PHP
php-http - PECL HTTP module for PHP Extended HTTP Support
php-uploadprogress - file upload progress tracking extension for PHP
php-yaml - YAML-1.1 parser and emitter for PHP
php-all-dev - package depending on all supported PHP development packages
php-xdebug - Xdebug Module for PHP
php-memcached - memcached extension module for PHP, uses libmemcached
php-apcu-bc - APCu Backwards Compatibility Module
php-memcache - memcache extension module for PHP
php-gmagick - Provides a wrapper to the GraphicsMagick library
php-tideways - Tideways PHP Profiler Extension
php-mailparse - Email message manipulation for PHP
php-gnupg - PHP wrapper around the gpgme library
php-propro - propro module for PHP
php-raphf - raphf module for PHP
php-stomp - Streaming Text Oriented Messaging Protocol (STOMP) client module for PHP
php-gearman - PHP wrapper to libgearman
libapache2-mod-php7.1 - server-side, HTML-embedded scripting language (Apache 2 module)
libphp7.1-embed - HTML-embedded scripting language (Embedded SAPI library)
php7.1-cgi - server-side, HTML-embedded scripting language (CGI binary)
php7.1-cli - command-line interpreter for the PHP scripting language
php7.1-dev - Files for PHP7.1 module development
php7.1-fpm - server-side, HTML-embedded scripting language (FPM-CGI binary)
php7.1-phpdbg - server-side, HTML-embedded scripting language (PHPDBG binary)
php7.1-bcmath - Bcmath module for PHP
php7.1-bz2 - bzip2 module for PHP
php7.1-common - documentation, examples and common module for PHP
php7.1-curl - CURL module for PHP
php7.1-dba - DBA module for PHP
php7.1-enchant - Enchant module for PHP
php7.1-gd - GD module for PHP
php7.1-gmp - GMP module for PHP
php7.1-imap - IMAP module for PHP
php7.1-interbase - Interbase module for PHP
php7.1-intl - Internationalisation module for PHP
php7.1-json - JSON module for PHP
php7.1-ldap - LDAP module for PHP
php7.1-mbstring - MBSTRING module for PHP
php7.1-mcrypt - libmcrypt module for PHP
php7.1-mysql - MySQL module for PHP
php7.1-odbc - ODBC module for PHP
php7.1-pgsql - PostgreSQL module for PHP
php7.1-pspell - pspell module for PHP
php7.1-readline - readline module for PHP
php7.1-recode - recode module for PHP
php7.1-snmp - SNMP module for PHP
php7.1-soap - SOAP module for PHP
php7.1-sqlite3 - SQLite3 module for PHP
php7.1-sybase - Sybase module for PHP
php7.1-tidy - tidy 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)
php-phalcon - full-stack PHP framework delivered as a C-extension
php-ds - PHP extension providing efficient data structures for PHP 7
php-sass - PHP bindings to libsass - fast, native Sass parsing in PHP
php-lua - PHP Embedded lua interpreter
php-sodium - PHP wrapper for the Sodium cryptographic library

The above result is from my Ubuntu Linux.

Depending on your requirements, you can choose what packages to install; however, php7.1 package is the essential.

If you want to install PHP 7.1 for Laravel development, I recommend the following packages to be installed.


$ sudo apt-get install php7.1 php7.1-cli php7.1-fpm php7.1-bcmath php7.1-common php7.1-curl php7.1-imap php7.1-intl php7.1-json php7.1-mbstring php7.1-mcrypt php7.1-mysql php7.1-readline php7.1-sqlite3 php7.1-tidy php7.1-xml php7.1-zip

After installation, you can test if PHP 7.1 version is properly installed on machine or not via following command:


$ php --version
PHP 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 (cli) (built: Oct 27 2017 13:49:56) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2017 Zend Technologies
    with Zend OPcache v7.1.11-1+ubuntu16.04.1+deb.sury.org+1, Copyright (c) 1999-2017, by Zend Technologies

To detect the location of what php.ini file is loaded, try this command:


$ php -i | grep "Loaded Configuration"

Loaded Configuration File => /etc/php/7.1/cli/php.ini

For Ubuntu Linux, it is often located there by default.