PHP >= 7.0.0
OpenSSL PHP Extension
PDO PHP Extension
Mbstring PHP Extension
Tokenizer PHP Extension
XML PHP Extension
Composer
If you have PHP installed locally and you would like to use PHP's built-in development server to serve your application, you may use the serve Artisan command. This command will start a development server at http://localhost:8000:
use your terminal prompt and run :
php artisan serve
Application Key The next thing you should do after installing Clinic is set your application key to a random string.
php artisan key:generate