--TEST--
foreach() by-ref bug
--FILE--
<?php
$foo = array(1,2,3,4);
foreach($foo as $key => &$val) {
	if($val == 3) {
		$foo[$key] = 0;
	} else {
		$val++;
	}
}
var_dump($foo);
?>
--EXPECT--	
array(4) {
  [0]=>
  int(2)
  [1]=>
  int(3)
  [2]=>
  int(0)
  [3]=>
  &int(5)
}