Close #109 provide better error classes + phpdoc fixes

src/User/Widget/AssignmentsWidget.php

@@ -51,6 +51,7 @@ class AssignmentsWidget extends Widget
      * {@inheritdoc}
      *
      * @throws InvalidParamException
+     * @throws InvalidConfigException
      */
     public function run()
     {

src/User/Widget/ConnectWidget.php

@@ -15,6 +15,7 @@ use Yii;
 use yii\authclient\ClientInterface;
 use yii\authclient\widgets\AuthChoice;
 use yii\authclient\widgets\AuthChoiceAsset;
+use yii\base\InvalidParamException;
 use yii\helpers\Html;
 use yii\helpers\Url;
 
@@ -40,6 +41,8 @@ class ConnectWidget extends AuthChoice
 
     /**
      * {@inheritdoc}
+     *
+     * @throws InvalidParamException
      */
     public function createClientUrl($provider)
     {
@@ -59,6 +62,6 @@ class ConnectWidget extends AuthChoice
      */
     public function isConnected(ClientInterface $provider)
     {
-        return $this->accounts != null && isset($this->accounts[$provider->getId()]);
+        return null !== $this->accounts && isset($this->accounts[$provider->getId()]);
     }
 }

src/User/Widget/ReCaptchaWidget.php

@@ -49,6 +49,8 @@ class ReCaptchaWidget extends InputWidget
 
     /**
      * @inheritdoc
+     *
+     * @throws InvalidConfigException
      */
     public function init()
     {
@@ -78,6 +80,7 @@ class ReCaptchaWidget extends InputWidget
     }
 
     /**
+     * @throws InvalidConfigException
      * @return array the google recaptcha options.
      */
     protected function getCaptchaOptions()
@@ -156,7 +159,7 @@ class ReCaptchaWidget extends InputWidget
             'pt-PT'
         ];
 
-        return in_array($language, $except)
+        return in_array($language, $except, false)
             ? $language
             : substr($language, 0, strpos($language, '-'));
     }