Install PHP Composer on Ubuntu
From WikiMLT
Update 2022
The instructions below may be deprecated! Because the instructions will change with every version of the installer… Instead, please visit the page https://getcomposer.org/download/ and follow the steps provided there!
If Composer is already installed on your system – i.e. /usr/local/bin/composer – you can update it by the following command command :
sudo composer self-update
Upgrading to version 2.5.1 (stable channel).
Use 'composer self-update --rollback' to return to version 2.4.4
Install the latest version of Composer
sudo apt update
sudo apt install php-cli unzip
cd ~/tmp && \
curl -sS https://getcomposer.org/installer -o composer-setup.php && \
HASH=$(curl -sS https://composer.github.io/installer.sig) && \
php -r "if (hash_file('SHA384', 'composer-setup.php') === '$HASH') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" && \
sudo php composer-setup.php --install-dir=/usr/local/bin --filename=composer && \
composer -V
References
- Composer – a dependency manager for PHP: getComposer.org/download
- Composer – a dependency manager for PHP: geComposer.org/doc/faqs/how–to–install–composer–programmatically
- Digital Ocean: How To Install Composer on Ubuntu 20.04 [Quick-start]
- Digital Ocean: How To Install and Use Composer on Ubuntu 20.04
Install Composer via Apt
sudo apt update && \
sudo apt install composer
Depending on the version of the OS the Composer's version could be relatively old.
