Description:
------------
Now language allow only constant for static variable in function (static $a = 0).
Please allow functionality such as in C++

Test script:
---------------
class testA {
	private function __constructor(){}
	public static function getInstance() {
		static $a = new testA();
		return $a;
	}

	public function a() {
		return 5;
	}
}

$a = testA::getInstance();
echo $a->a();
exit;

Expected result:
----------------
5

Actual result:
--------------
fatal error
PHP Parse error:  syntax error, unexpected T_NEW