fix BaseArrayHelper::isIn() in strict mode

close #11686

framework/CHANGELOG.md

@@ -25,6 +25,7 @@ Yii Framework 2 Change Log
 - Bug #11571: Fixed `yii\db\ColumnSchemaBuilder` to work with custom column types (andrey-mokhov, silverfire)
 - Bug #11662: Fixed `schema-oci.sql` for RBAC (jonny7)
 - Bug #11527: Fixed `bigPrimaryKey()` for SQLite (dynasource)
+- Bug #11686: `BaseArrayHelper::isIn()` comparison did not work in strict mode (taobig)
 
 
 2.0.8 April 28, 2016

framework/helpers/BaseArrayHelper.php

@@ -699,7 +699,7 @@ class BaseArrayHelper
     {
         if ($haystack instanceof \Traversable) {
             foreach ($haystack as $value) {
-                if ($needle == $value && (!$strict || $needle === $haystack)) {
+                if ($needle == $value && (!$strict || $needle === $value)) {
                     return true;
                 }
             }