Merge commit 'refs/pull/3932/head' of https://github.com/magento/magento2 into MAGETWO-54157

Hayder Sharhan · Hayder Sharhan · commit b22934b74783 · 2016-07-22T15:46:49.000-05:00
diff --git a/app/code/Magento/Backend/Block/Widget/Grid/Column/Renderer/Date.php b/app/code/Magento/Backend/Block/Widget/Grid/Column/Renderer/Date.php
@@ -52,7 +52,7 @@ public function __construct(
     protected function _getFormat()
     {
         $format = $this->getColumn()->getFormat();
-        if (!$format) {
+        if ($format === null) {
             if (self::$_format === null) {
                 try {
                     self::$_format = $this->_localeDate->getDateFormat(

Original file line number	Diff line number	Diff line change
`@@ -52,7 +52,7 @@ public function __construct(`
`52`	`52`	`protected function _getFormat()`
`53`	`53`	`{`
`54`	`54`	`$format = $this->getColumn()->getFormat();`
`55`		`- if (!$format) {`
	`55`	`+ if ($format === null) {`
`56`	`56`	`if (self::$_format === null) {`
`57`	`57`	`try {`
`58`	`58`	`self::$_format = $this->_localeDate->getDateFormat(`