ExistValidator refactoring

framework/validators/ExistValidator.php

@@ -97,13 +97,15 @@ class ExistValidator extends Validator
             $params = [$targetAttribute => $object->$attribute];
         }
 
+        if (!$this->allowArray) {
             foreach ($params as $value) {
-            if (!$this->allowArray && is_array($value)) {
+                if (is_array($value)) {
                     $this->addError($object, $attribute, Yii::t('yii', '{attribute} is invalid.'));
 
                     return;
                 }
             }
+        }
 
         $targetClass = $this->targetClass === null ? get_class($object) : $this->targetClass;
         $query = $this->createQuery($targetClass, $params);