Fixed issue when trying to check if a multidimensional array is dirty…

framework/db/BaseActiveRecord.php

@@ -639,7 +639,7 @@ public function getDirtyAttributes($names = null)
             }
         } else {
             foreach ($this->_attributes as $name => $value) {
-                if (isset($names[$name]) && (!array_key_exists($name, $this->_oldAttributes) || $value !== $this->_oldAttributes[$name])) {
+                if (isset($names[$name]) && (!array_key_exists($name, $this->_oldAttributes) || $this->isAttributeDirty($name, $value))) {
                     $attributes[$name] = $value;
                 }
             }
@@ -1760,4 +1760,20 @@ private function setRelationDependencies($name, $relation, $viaRelationName = nu
             $this->setRelationDependencies($name, $viaQuery, $viaRelationName);
         }
     }
+
+    /**
+     * @param string $attribute
+     * @param mixed  $value
+     * @return bool
+     */
+    private function isAttributeDirty($attribute, $value)
+    {
+        $old_attribute = $this->oldAttributes[$attribute];
+        if (is_array($value) && is_array($this->oldAttributes[$attribute])) {
+            ArrayHelper::sortMultidimensionalArray($value);
+            ArrayHelper::sortMultidimensionalArray($old_attribute);
+        }
+
+        return $value !== $old_attribute;
+    }
 }

framework/helpers/BaseArrayHelper.php

@@ -999,4 +999,19 @@ public static function filter($array, $filters)
 
         return $result;
     }
+
+    /**
+     * Sorts multidimensional array
+     * @param $array
+     * @return void
+     */
+    public static function sortMultidimensionalArray(&$array)
+    {
+        ksort($array);
+        foreach ($array as &$item) {
+            if (is_array($item)) {
+                $item = self::sortMultidimensionalArray($item);
+            }
+        }
+    }
 }