3v4l.org

run code in 500+ PHP versions simultaneously
<?php declare(strict_types=1) // Error. echo 'hi!'; { // Code. }
Output for 7.4.0 - 7.4.30, 8.0.1 - 8.0.22, 8.1.0 - 8.1.9, 8.3.5
Fatal error: strict_types declaration must not use block mode in /in/9WLmh on line 2
Process exited with code 255.
preferences:
55.55 ms | 731 KiB | 3 Q