1--TEST--
2GH-9583: session_create_id() fails with user defined save handler that doesn't have a validateId() method
3--EXTENSIONS--
4session
5--FILE--
6<?php
7
8class SessionHandlerTester implements \SessionHandlerInterface
9{
10
11    public function close(): bool { return true; }
12
13    public function destroy($id): bool { return true; }
14
15    public function gc($max_lifetime): int|false { return 1; }
16
17    public function open($path, $name): bool { return true; }
18
19    public function read($id): string { return ''; }
20
21    public function write($id, $data): bool { return true; }
22
23    //public function create_sid() { return uniqid(); }
24
25    //public function validateId($key) { return true; }
26}
27
28$obj = new SessionHandlerTester();
29ini_set('session.use_strict_mode','1');
30session_set_save_handler($obj);
31session_start();
32
33$originalSessionId = session_id();
34
35session_write_close();
36
37session_start();
38
39$newSessionId = session_id();
40
41echo 'validateId() ', (method_exists($obj, 'validateId') ? ('returns ' . ($obj->validateId(1) ? 'true' : 'false')) : 'is commented out'), "\n";
42var_dump($originalSessionId == $newSessionId);
43
44?>
45--EXPECT--
46validateId() is commented out
47bool(true)
48