Composer Commands
Master the daily Composer workflow with these essential commands.
PHP
Beginner
3 min read
Essential Composer Commands
Example
composer install # install from composer.lock
composer update # update to latest allowed versions
composer require pkg # add new dependency
composer remove pkg # remove dependency
composer show # list installed packages
composer outdated # show packages with newer versions
composer audit # check for security vulnerabilities
composer dump-autoload -o # regenerate optimised autoloader
composer validate # verify composer.json is valid Pro Tip
Use composer install (not update) in CI and production — it respects the lock file.