username instead of email laravel code example

Example 1: laravel using username instead of email

All we need is add a method in app/Http/Controllers/Auth/LoginController.php:

/**
 * Get the login username to be used by the controller.
 *
 * @return string
 */
public function username()
{
    return 'username';
}

Example 2: laravel 6 use username instead of id

// using User->username instead of id on url:
public function show($user)
    {
  		// where<YourAtributeName>($param)->firstOrFail()
        $user = User::whereUsername($user)->firstOrFail();
        return view('users.show', ['user'=>$user]);
    }

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Php Example