Créer une version spécifique du projet Laravel
composer create-project laravel/laravel="5.1.*" appName
Inquisitive Iguana
composer create-project laravel/laravel="5.1.*" appNamecomposer create-project laravel/laravel=7.0 <your-project-name> --prefer-distcomposer create-project laravel/laravel=4.1.27 your-project-name --prefer-dist