replace is_null() function calls with native native language constuct

1 files changed, 4 insertions, 4 deletions

diff --git a/framework/Data/SqlMap/Statements/TCachingStatement.php b/framework/Data/SqlMap/Statements/TCachingStatement.php
index c8a748c1..fcaeb974 100644
--- a/framework/Data/SqlMap/Statements/TCachingStatement.php
+++ b/framework/Data/SqlMap/Statements/TCachingStatement.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.Statements

@@ -47,7 +47,7 @@ class TCachingStatement implements IMappedStatement
 		$sql = $this->createCommand($connection, $parameter, $skip, $max);

 		$key = $this->getCacheKey(array(clone($sql), $keyProperty, $valueProperty,$skip, $max));

 		$map = $this->getStatement()->getCache()->get($key);

-		if(is_null($map))

+		if($map===null)

 		{

 			$map = $this->_mappedStatement->runQueryForMap(

 				$connection, $parameter, $sql, $keyProperty, $valueProperty,  $delegate);

@@ -71,7 +71,7 @@ class TCachingStatement implements IMappedStatement
 		$sql = $this->createCommand($connection, $parameter, $skip, $max);

 		$key = $this->getCacheKey(array(clone($sql), $parameter, $skip, $max));

 		$list = $this->getStatement()->getCache()->get($key);

-		if(is_null($list))

+		if($list===null)

 		{

 			$list = $this->_mappedStatement->runQueryForList(

 				$connection, $parameter, $sql, $result, $delegate);

@@ -85,7 +85,7 @@ class TCachingStatement implements IMappedStatement
 		$sql = $this->createCommand($connection, $parameter);

 		$key = $this->getCacheKey(array(clone($sql), $parameter));

 		$object = $this->getStatement()->getCache()->get($key);

-		if(is_null($object))

+		if($object===null)

 		{

 			$object = $this->_mappedStatement->runQueryForObject($connection, $sql, $result);

 			$this->getStatement()->getCache()->set($key, $object);