closure_use_variable_twice.phpt   [plain text]

--TEST--
Closure cannot use one variable twice
--FILE--
<?php

$a = 1;
$fn = function() use ($a, &$a) {
    $a = 2;
};
$fn();
var_dump($a);

?>
--EXPECTF--
Fatal error: Cannot use variable $a twice in %s on line %d