Installing PHP 8.0 on Ubuntu 20.04|18.04

PHP is a popular used server-side programming language. The most popular CM platforms and frameworks (i.e. WordPress, Magento, and Laravel) are written in PHP. (i.e. WordPress, Magento, and Laravel) are written in PHP.

Need assistance to install PHP 8 on ubuntu 20.04|18.04, our technical team support will help you in managing and installing PHP 8 on Ubuntu. You can check with our team at any time for emergency support

PHP 8.0 is the latest version released in the PHP language with lots of changes, high-performance improvement and new features such as union types, match expression, JIT compiler and lots more.

Before installing or upgrading PHP 8, you need to ensure your application support it.

Step 1: Update the system.

Update the system to the latest package by running the following commands.

sudo apt update
sudo apt -y upgrade

Reboot it once you have updated the system.

sudo systemctl reboot

Step 2: Enabling Ondrej sury PPA Repository.
By using the Ondrej sury Repository you can install the latest version PHP, The Ondrej sury repository consists of the latest multiple version and also PHP extensions. Run the following commands to add a repository into your Ubuntu system.

sudo apt update
sudo apt install lsb-release ca-certificates apt-transport-https software-properties-common -y
sudo add-apt-repository ppa:ondrej/php

Click on “enter key” and add the repository.

Debian oldstable and stable packages are provided as well: https://deb.sury.org/#debian-dpa
You can get more information about the packages at https://deb.sury.org

IMPORTANT: The <foo>-backports is now required on older Ubuntu releases.

BUGS&FEATURES: This PPA now has a issue tracker:
https://deb.sury.org/#bug-reporting

CAVEATS:
1. If you are using php-gearman, you need to add ppa:ondrej/pkg-gearman
2. If you are using apache2, you are advised to add ppa:ondrej/apache2
3. If you are using nginx, you are advised to add ppa:ondrej/nginx-mainline
   or ppa:ondrej/nginx

PLEASE READ: If you like my work and want to give me a little motivation, please consider donating regularly: https://donate.sury.org/

WARNING: add-apt-repository is broken with non-UTF-8 locales, see
https://github.com/oerdnj/deb.sury.org/issues/56 for workaround:

# LC_ALL=C.UTF-8 add-apt-repository ppa:ondrej/php
 More info: https://launchpad.net/~ondrej/+archive/ubuntu/php
Press [ENTER] to continue or Ctrl-c to cancel adding it.

Once you have updated the output, you can see the repository is been added.

Hit:1 http://mirror.hetzner.de/ubuntu/packages focal InRelease
Hit:2 http://mirror.hetzner.de/ubuntu/packages focal-updates InRelease
Hit:3 http://mirror.hetzner.de/ubuntu/packages focal-backports InRelease
Hit:4 http://mirror.hetzner.de/ubuntu/packages focal-security InRelease
Get:5 http://ppa.launchpad.net/ondrej/php/ubuntu focal InRelease [23.9 kB]
Hit:6 http://security.ubuntu.com/ubuntu focal-security InRelease
Hit:7 http://archive.ubuntu.com/ubuntu focal InRelease
Hit:8 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:9 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Get:10 http://ppa.launchpad.net/ondrej/php/ubuntu focal/main amd64 Packages [74.8 kB]
Get:11 http://ppa.launchpad.net/ondrej/php/ubuntu focal/main i386 Packages [20.2 kB]
Get:12 http://ppa.launchpad.net/ondrej/php/ubuntu focal/main Translation-en [28.2 kB]
Fetched 147 kB in 1s (158 kB/s)
Reading package lists... Done

Step 3: Installing PHP 8 on Ubuntu 20.04|18.04.

Try to update the APT index and ensure the package is okay for installation.

sudo apt update

Then install the PHP 8.0 on Ubuntu 20.04|18.04

sudo apt install php8.0

Click on the Y key to start the installation.

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  apache2-bin libapache2-mod-php8.0 libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libgdbm-compat4 libjansson4 liblua5.2-0 libmagic-mgc libmagic1
  libperl5.30 perl perl-modules-5.30 php-common php8.0-cli php8.0-common php8.0-opcache php8.0-readline
Suggested packages:
  apache2-doc apache2-suexec-pristine | apache2-suexec-custom www-browser php-pear file perl-doc libterm-readline-gnu-perl | libterm-readline-perl-perl make
  libb-debug-perl liblocale-codes-perl
Recommended packages:
  apache2
The following NEW packages will be installed:
  apache2-bin libapache2-mod-php8.0 libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libgdbm-compat4 libjansson4 liblua5.2-0 libmagic-mgc libmagic1
  libperl5.30 perl perl-modules-5.30 php-common php8.0 php8.0-cli php8.0-common php8.0-opcache php8.0-readline
0 upgraded, 20 newly installed, 0 to remove and 7 not upgraded.
Need to get 13.0 MB of archives.
After this operation, 78.4 MB of additional disk space will be used.
Do you want to continue? [Y/n] y

Confirm the PHP default version on the server.

$ php -v
PHP 8.0.0RC3 (cli) (built: Oct 31 2020 17:06:41) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.0-dev, Copyright (c) Zend Technologies
    with Zend OPcache v8.0.0RC3, Copyright (c), by Zend Technologies

Step 4: Install PHP 8 extensions on Ubuntu 20.04|18.04

Run the following commands to install the PHP 8 extensions on Ubuntu.

sudo apt install php8.0-<extension>

Some of the available extensions are shown below.

$ sudo apt install php8.0-
php8.0-amqp       php8.0-common     php8.0-gd         php8.0-ldap       php8.0-odbc       php8.0-readline   php8.0-sqlite3    php8.0-xsl
php8.0-apcu       php8.0-curl       php8.0-gmp        php8.0-mailparse  php8.0-opcache    php8.0-redis      php8.0-sybase     php8.0-yac
php8.0-ast        php8.0-dba        php8.0-igbinary   php8.0-mbstring   php8.0-pgsql      php8.0-rrd        php8.0-tidy       php8.0-yaml
php8.0-bcmath     php8.0-dev        php8.0-imagick    php8.0-memcached  php8.0-phpdbg     php8.0-smbclient  php8.0-uuid       php8.0-zip
php8.0-bz2        php8.0-ds         php8.0-imap       php8.0-msgpack    php8.0-pspell     php8.0-snmp       php8.0-xdebug     php8.0-zmq
php8.0-cgi        php8.0-enchant    php8.0-interbase  php8.0-mysql      php8.0-psr        php8.0-soap       php8.0-xhprof
php8.0-cli        php8.0-fpm        php8.0-intl       php8.0-oauth      php8.0-raphf      php8.0-solr       php8.0-xml

Example:

sudo apt install php8.0-cli php8.0-common php8.0-imap php8.0-redis php8.0-snmp php8.0-xml

Use the same format to install other extensions.

Conclusion.
In this blog, we have explained how to install PHP 8.0 on Ubuntu20.04|Ubuntu 18.04 Linux system. Do follow the steps to install php 8.0 into your system, you can also take our technical team assistance for further installation.