3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $bar = 42; } $s = serialize(new Foo); var_dump($s); var_dump(urlencode($s));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(34) "O:3:"Foo":1:{s:8:"Foobar";i:42;}" string(68) "O%3A3%3A%22Foo%22%3A1%3A%7Bs%3A8%3A%22%00Foo%00bar%22%3Bi%3A42%3B%7D"
preferences:
151.49 ms | 408 KiB | 5 Q