Use strict comparision instead of is_null

magento · Oct 6, 2017 · 86032de · 86032de
1 parent 16a8050
commit 86032de
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/internal/Magento/Framework/View/Model/Layout/Merge.php b/lib/internal/Magento/Framework/View/Model/Layout/Merge.php
@@ -799,7 +799,7 @@ private function getXmlErrors($libXmlErrors)
     protected function _getPhysicalTheme(\Magento\Framework\View\Design\ThemeInterface $theme)
     {
         $result = $theme;
-        while (!is_null($result) && $result->getId() && !$result->isPhysical()) {
+        while ($result !== null && $result->getId() && !$result->isPhysical()) {
             $result = $result->getParentTheme();
         }
         if (!$result) {