--TEST-- Bug #72598.2 (Reference is lost after array_slice()) --FILE-- <?php function ref(&$ref) { var_dump($ref); $ref = 1; } new class { function __construct() { $b = 0; $args = [&$b]; unset($b); for ($i = 0; $i < 2; $i++) { $a = array_slice($args, 0, 1); call_user_func_array('ref', $a); } } }; ?> --EXPECTF-- Warning: Parameter 1 to ref() expected to be a reference, value given in %sbug72598_2.php on line 14 int(0) Warning: Parameter 1 to ref() expected to be a reference, value given in %sbug72598_2.php on line 14 int(0)