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Install and use Composer (PHP)

Essential PHP dependency manager for Laravel, Symfony, etc. projects.

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The tutorial "Install and use Composer (PHP)" helps you achieve this goal:

Essential PHP dependency manager for Laravel, Symfony, etc. projects.

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1 profiles 14 steps 12 commands ~15 min

Debian/Ubuntu

  1. Prerequisites: PHP must be installed (apt install -y php php-cli php-zip unzip curl)
  2. --- Install Composer ---
  3. curl -sS https://getcomposer.org/installer | php
  4. mv composer.phar /usr/local/bin/composer
  5. chmod +x /usr/local/bin/composer
  6. Check: composer --version
  7. --- Basic Usage ---
  8. Create a Laravel project: composer create-project laravel/laravel mon-projet
  9. Install dependencies of an existing project: cd mon-projet && composer install
  10. Update dependencies: composer update
  11. Add a package: composer require guzzlehttp/guzzle
  12. --- Optimization for production ---
  13. composer install --no-dev --optimize-autoloader
  14. Clear autoload cache: composer dump-autoload --optimize