Answers for "how login works in laravel"

laravel auth namespace

use Illuminate\Support\Facades\Auth;

laravel setup auth

// Laravel 5.x
php artisan make:auth

laravel force login by id

Auth::login($user);

login with laravel

html { height: 100%; }
body {
    min-height:100%; 
    position:relative; 
    padding-bottom:[footer-height] 
}
.footer { 
    position: absolute; 
    left: 0 ; right: 0; bottom: 0; 
    height:[footer-height] 
}