replace is_null() function calls with native native language constuct

1 files changed, 4 insertions, 4 deletions

diff --git a/framework/Data/SqlMap/Configuration/TSqlMapCacheModel.php b/framework/Data/SqlMap/Configuration/TSqlMapCacheModel.php
index d7984dc4..5d19a3a3 100644
--- a/framework/Data/SqlMap/Configuration/TSqlMapCacheModel.php
+++ b/framework/Data/SqlMap/Configuration/TSqlMapCacheModel.php
@@ -4,7 +4,7 @@
  *

  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>

  * @link http://www.pradosoft.com/

- * @copyright Copyright &copy; 2005-2008 PradoSoft
+ * @copyright Copyright &copy; 2005-2008 PradoSoft

  * @license http://www.pradosoft.com/license/

  * @version $Id$

  * @package System.Data.SqlMap.Configuration

@@ -79,7 +79,7 @@ class TSqlMapCacheModel extends TComponent
 	 */

 	public function initialize($cache=null)

 	{

-		if(is_null($cache))

+		if($cache===null)

 			$this->_cache= Prado::createComponent($this->getImplementationClass());

 		else

 			$this->_cache=$cache;

@@ -127,7 +127,7 @@ class TSqlMapCacheModel extends TComponent
 		//if flush ?

 		$value = $this->_cache->get($key);

 		$this->_requests++;

-		if(!is_null($value))

+		if($value!==null)

 			$this->_hits++;

 		return $value;

 	}

@@ -141,7 +141,7 @@ class TSqlMapCacheModel extends TComponent
 		if($key instanceof TSqlMapCacheKey)

 			$key = $key->getHash();

 

-		if(!is_null($value))

+		if($value!==null)

 			$this->_cache->set($key, $value);

 	}