fixed #890

1 files changed, 3 insertions, 2 deletions

diff --git a/framework/I18N/core/NumberFormat.php b/framework/I18N/core/NumberFormat.php
index 24869b3f..bac57fb5 100644
--- a/framework/I18N/core/NumberFormat.php
+++ b/framework/I18N/core/NumberFormat.php
@@ -90,7 +90,7 @@ class NumberFormat
 	 */

 	function __construct($formatInfo=null)

 	{

-		if(is_null($formatInfo))

+		if($formatInfo === null)

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

 		else if($formatInfo instanceof CultureInfo)

 			$this->formatInfo = $formatInfo->NumberFormat;

@@ -143,8 +143,9 @@ class NumberFormat
 

 		//replace currency sign

 		$symbol = @$this->formatInfo->getCurrencySymbol($currency);

-		if(is_null($symbol))

+		if($symbol === null) {

 			$symbol = $currency;

+		}

 

 		$result = str_replace('¤',$symbol, $result);