3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new stdClass; var_dump($foo instanceof Mongo); var_dump($foo instanceof Blabla);
Output for 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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
bool(false) bool(false)
preferences:
83.54 ms | 407 KiB | 5 Q