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php 5.4.3+patches

--TEST--
Closure 020: Trying to access private property outside class
--FILE--
<?php

class foo {
	private $test = 3;
	
	public function x() {
		$a = &$this;
		$this->a = function() use (&$a) { return $a; };
		var_dump($this->a->__invoke());
		var_dump(is_a($this->a, 'closure'));
		var_dump(is_callable($this->a));
		
		return $this->a;
	}
}

$foo = new foo;
$y = $foo->x();
var_dump($y()->test);

?>
--EXPECTF--
object(foo)#%d (2) {
  ["test":"foo":private]=>
  int(3)
  ["a"]=>
  object(Closure)#%d (2) {
    ["static"]=>
    array(1) {
      ["a"]=>
      *RECURSION*
    }
    ["this"]=>
    *RECURSION*
  }
}
bool(true)
bool(true)

Fatal error: Cannot access private property foo::$test in %s on line %d