Merge pull request #8179 from thiagotalma/isAttributeChanged

Compare it equals

framework/CHANGELOG.md

@@ -66,6 +66,7 @@ Yii Framework 2 Change Log
 - Enh: `yii\widgets\LinkPager::$firstPageLabel` and `yii\widgets\LinkPager::$lastPageLabel` now could be set to true in order to use page number as label (samdark)
 - Chg #7924: Migrations in history are now ordered by time applied allowing to roll back in reverse order no matter how these were applied (samdark)
 - Chg: Updated dependency to `cebe/markdown` to version `1.1.x` (cebe)
+- Chg #8179: Added parameter to define whether the comparison of `yii\db\BaseActiveRecord::isAttributeChanged()` method will be made as identical (thiagotalma)
 
 
 2.0.3 March 01, 2015

framework/db/BaseActiveRecord.php

@@ -514,12 +514,18 @@ abstract class BaseActiveRecord extends Model implements ActiveRecordInterface
     /**
      * Returns a value indicating whether the named attribute has been changed.
      * @param string $name the name of the attribute
-     * @return boolean whether the attribute has been changed
+     * @param bool $identical if the comparison is made as identical
+     * @return bool whether the attribute has been changed
      */
-    public function isAttributeChanged($name)
+    public function isAttributeChanged($name, $identical = true)
     {
         if (isset($this->_attributes[$name], $this->_oldAttributes[$name])) {
-            return $this->_attributes[$name] !== $this->_oldAttributes[$name];
+            if ($identical) {
+                $changed = $this->_attributes[$name] !== $this->_oldAttributes[$name];
+            } else {
+                $changed = $this->_attributes[$name] != $this->_oldAttributes[$name];
+            }
+            return $changed;
         } else {
             return isset($this->_attributes[$name]) || isset($this->_oldAttributes[$name]);
         }