3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export((fn(): float => '1.5'));
Output for 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
\Closure::__set_state(array( ))
Output for 8.1.0 - 8.1.28
Closure::__set_state(array( ))

preferences:
64.06 ms | 402 KiB | 62 Q