fixed #890

1 files changed, 2 insertions, 2 deletions

diff --git a/framework/I18N/core/DateFormat.php b/framework/I18N/core/DateFormat.php
index 8dd3fdca..178da0bb 100644
--- a/framework/I18N/core/DateFormat.php
+++ b/framework/I18N/core/DateFormat.php
@@ -91,7 +91,7 @@ class DateFormat
 	 */

 	function __construct($formatInfo=null)

 	{

-		if(is_null($formatInfo))

+		if($formatInfo === null)

 			$this->formatInfo = DateTimeFormatInfo::getInvariantInfo();

 		else if($formatInfo instanceof CultureInfo)

 			$this->formatInfo = $formatInfo->DateTimeFormat;

@@ -115,7 +115,7 @@ class DateFormat
 		else if(is_string($time))

 			$time = @strtotime($time);

 

-		if(is_null($pattern))

+		if($pattern === null)

 			$pattern = 'F';

 

 		$s = Prado::createComponent('System.Util.TDateTimeStamp');