--TEST--
Bug #12776 (array_walk crash)
--SKIPIF--
<?php
if (true) die("skip AOT does not support undefined variables");
?>

--FILE--
<?php
function test($val, $key)
{
    global $globalArray;
    $globalArray[] = $key;
    // this will end up crashing
    $globalArray[] = (string) $key;
    // this will end up OK
    print "val: {$val}; key: {$key}\n";
    flush();
}
function main()
{
    $arr = array('k' => 'v');
    array_walk($arr, 'test');
    print "First value: " . $globalArray[0];
    print "\nDone\n";
}
?>
--EXPECT--
val: v; key: k
First value: k
Done