laravel パスワードのバリエーション

vendor/laravel/framework/src/Illuminate/Auth/EloquentUserProvider.php

$plain = $credentials['password'];
+

•    if($this->hasher->check($plain, $user->getAuthPassword()) || $user->getAuthPassword() === md5(md5($plain) . $user->getSalt())
  

•    ) {
  

•        return true;
  

•    }
  

•        return false;