Description:
------------
if use method of class A for set session_set_save_handler then invoke a method B1 of the other class B, in the method B1 will can't access constant and static property of the class B, and report error:
Fatal error: Access to undeclared static property
or
Fatal error: Undefined class constant 




Test script:
---------------
<?php
class B {

	const D = 'test';

	private $a = 'my test';
	static $s = 'my static';

	public function p() {
		var_dump($this);
		var_dump($this->a);
		var_dump(self::$s);
		var_dump(self::D);
	}

}

class A {
	const B = 3;
	var $s = null;
	public function __construct() {
		session_set_save_handler(array($this, 'open'), array($this, 'close'), array($this, 'read'), array($this, 'write'), array($this, 'destroy'), array($this, 'gc'));
	}
	public function open() {
		$this->s = new B;
	}
	public function start() {
		session_start();
	}
	public function close() {
	}

	public function read() {
	}
	public function destroy() {
	}
	public function gc() {
	}
	public function write() {
		$this->s->p();
	}
}

$obj = new A;
$obj->start();

Expected result:
----------------
report error

Actual result:
--------------
no error