Fix newlines and missing parameter description

apps/advanced/common/models/LoginForm.php

 <?php
 namespace common\models;
 
-use yii\base\Model;
 use Yii;
+use yii\base\Model;
 
 /**
  * Login form
@@ -44,12 +44,13 @@ class LoginForm extends Model
 
 	/**
 	 * Logs in a user using the provided username and password.
+	 *
 	 * @return boolean whether the user is logged in successfully
 	 */
 	public function login()
 	{
 		if ($this->validate()) {
-			return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600*24*30 : 0);
+			return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600 * 24 * 30 : 0);
 		} else {
 			return false;
 		}

apps/advanced/common/models/User.php

@@ -30,8 +30,8 @@ class User extends ActiveRecord implements IdentityInterface
 	/**
 	 * Creates a new user
 	 *
-	 * @param $attributes
-	 * @return static|null
+	 * @param array $attributes the attributes given by field => value
+	 * @return static|null the newly created model, or null on failure
 	 */
 	public static function create($attributes)
 	{