3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); namespace Vendor\Package; class Foo {}
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Warning: Unsupported declare 'strict_types' in /in/6ekKe on line 2
preferences:
114.58 ms | 402 KiB | 182 Q