How to install the PHP package fengxin8144/laravel_cas_server from Packagist with Composer

By Where is my PHP package

PHP
Composer
Packagist
fengxin8144/laravel_cas_server

Run the following command to install the package and its dependencies. The require command adds new packages to the composer.json file from the current directory.

composer require fengxin8144/laravel_cas_server