replace is_null() function calls with native native language constuct

1 files changed, 2 insertions, 2 deletions

diff --git a/framework/I18N/TDateFormat.php b/framework/I18N/TDateFormat.php
index 914131bd..2a4ef8bc 100644
--- a/framework/I18N/TDateFormat.php
+++ b/framework/I18N/TDateFormat.php
@@ -119,7 +119,7 @@ class TDateFormat extends TI18NControl implements IDataRenderer
 

 		//no presets found, use the string as the pattern

 		//and let the DateFormat handle it.

-		if(is_null($pattern))

+		if($pattern===null)

 			$pattern = $string;

 		if (!is_array($pattern) && strlen($pattern) == 0)

 			$pattern = null;

@@ -226,7 +226,7 @@ class TDateFormat extends TI18NControl implements IDataRenderer
 		$app = $this->getApplication()->getGlobalization();

 

 		//initialized the default class wide formatter

-		if(is_null(self::$formatter))

+		if(self::$formatter===null)

 			self::$formatter = new DateFormat($app->getCulture());

 

 		$culture = $this->getCulture();