3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); echo 1;
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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/BhA8V on line 3 1

preferences:
193.31 ms | 402 KiB | 217 Q