3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function getClass() { return __CLASS__; } } $bar = new Foo(); var_dump($bar instanceof ($bar->getClass()));
Output for 8.0.0 - 8.0.3
bool(true)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.27, 7.4.0 - 7.4.16
Parse error: syntax error, unexpected '(' in /in/oBvfJ on line 11
Process exited with code 255.
preferences:
185.61 ms | 403 KiB | 283 Q