1--TEST--
2Unserializing an abstract class should fail
3--FILE--
4<?php
5
6$payload = 'O:23:"RecursiveFilterIterator":0:{}';
7try {
8    var_dump(unserialize($payload));
9} catch (Error $e) {
10    echo $e->getMessage(), "\n";
11}
12
13?>
14--EXPECT--
15Cannot instantiate abstract class RecursiveFilterIterator
16