How to Install PHP Composer on Ubuntu 22.04
Composer is basically a dependency manager for the programming language, PHP. It functions as some sort of project manager that helps the programmer manage dependencies that will be used on a project to project basis.
Install Dependencies
apt update
apt install wget php-cli php-zip unzip
Output:
root@vps:~# apt install wget php-cli php-zip unzip
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
wget is already the newest version (1.21.2-2ubuntu1).
wget set to manually installed.
The following additional packages will be installed:
bzip2 libzip4 mailcap mime-support php-common php8.1-cli php8.1-common
php8.1-opcache php8.1-readline php8.1-zip
Suggested packages:
bzip2-doc php-pear zip
Download and Install Composer
Make sure you’re in your home directory and download the Composer installer using wget.
cd ~
wget -O composer-setup.php https://getcomposer.org/installer
Output:
root@vps:~# cd ~
root@vps:~# wget -O composer-setup.php https://getcomposer.org/installer
--2022-05-26 10:16:07-- https://getcomposer.org/installer
Resolving getcomposer.org (getcomposer.org)... 142.44.245.229, 2607:5300:201:2100::4:d105
Connecting to getcomposer.org (getcomposer.org)|142.44.245.229|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 58140 (57K) [application/octet-stream]
Saving to: ‘composer-setup.php’
composer-setup.php 100%[===================>] 56.78K --.-KB/s in 0.08s
2022-05-26 10:16:07 (732 KB/s) - ‘composer-setup.php’ saved [58140/58140]
Now, download and install Composer, under /usr/local/bin by running the following command.
php composer-setup.php --install-dir=/usr/local/bin --filename=composer
Output
root@vps:~# php composer-setup.php --install-dir=/usr/local/bin --filename=composer
All settings correct for using Composer
Downloading...
Composer (version 2.3.5) successfully installed to: /usr/local/bin/composer
Use it: php /usr/local/bin/composer
To test your installation, run the following command.
composer
Output:
root@vps:~# composer
Do not run Composer as root/super user! See https://getcomposer.org/root for details
Continue as root/super user [yes]? y
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/ / / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/
/ /___/ /_/ / / / / / / /_/ / /_/ (__ ) __/ /
\____/\____/_/ /_/ /_/ .___/\____/____/\___/_/
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Composer version 2.3.5 2022-04-13 16:43:00
Usage:
command [options] [arguments]
Options:
-h, --help Display help for the given command. When no command is given display help for the list command
-q, --quiet Do not output any message
-V, --version Display this application version
This verifies that Composer was successfully installed on your system.
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