1--TEST--
2json_encode() Recursion test with JsonSerializable and serialize
3--FILE--
4<?php
5
6class JsonEncodeFirstTest implements JsonSerializable
7{
8    public $a = 1;
9
10    public function __serialize()
11    {
12        return [ 'result' => $this->a ];
13    }
14
15    public function jsonSerialize(): mixed
16    {
17        return [ 'serialize' => serialize($this) ];
18    }
19}
20
21class SerializeFirstTest implements JsonSerializable
22{
23    public $a = 1;
24
25    public function __serialize()
26    {
27        return [ 'result' => json_encode($this) ];
28    }
29
30    public function jsonSerialize(): mixed
31    {
32        return [ 'json' => serialize($this) ];
33    }
34}
35
36var_dump(json_encode(new JsonEncodeFirstTest()));
37var_dump(serialize(new SerializeFirstTest()));
38?>
39--EXPECT--
40string(68) "{"serialize":"O:19:\"JsonEncodeFirstTest\":1:{s:6:\"result\";i:1;}"}"
41string(113) "O:18:"SerializeFirstTest":1:{s:6:"result";s:62:"{"json":"O:18:\"SerializeFirstTest\":1:{s:6:\"result\";b:0;}"}";}"
42