3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { public function blah() { echo 'test'; } } $test = new test(); $serialized = serialize($test); echo $serialized; $unserialized = unserialize($serialized); $unserialized->blah();
Output for 5.6.0 - 5.6.27, 7.0.0 - 7.0.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
O:4:"test":0:{}test

preferences:
211.54 ms | 403 KiB | 227 Q