3v4l.org

run code in 500+ PHP versions simultaneously
foo <?php declare(strict_types=1);
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21
Warning: Unsupported declare 'strict_types' in /in/uDDW3 on line 2 foo
preferences:
53.2 ms | 776 KiB | 3 Q