Merge pull request #1917 from and-ers/master

array_push optimizations (reverse-merged from commit 157ff01)

framework/utils/CVarDumper.php

@@ -121,7 +121,7 @@ private static function dumpInternal($var,$level)
 					self::$_output.=get_class($var).'(...)';
 				else
 				{
-					$id=self::$_objects[]=$var;
+					$id=array_push(self::$_objects,$var);
 					$className=get_class($var);
 					$members=(array)$var;
 					$spaces=str_repeat(' ',$level*4);