php artisan --version
php artisan --version
or
php artisan -v
//Check the version used on a laravel project (run the command on the project root)
composer -vvv about
$php artisan --version
open your termnial and type following commond
php artisan --version
php artisan --version //enter in terminal
php ./artisan --version
##or
php artisan --version
php artisan --version //terminal command