3v4l.org

run code in 300+ PHP versions simultaneously
<?php mt_srand(12345); echo mt_rand();
Output for 7.1.0 - 7.1.7, 7.2.0
1996335345
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
162946439
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
1252620910
preferences:
169.43 ms | 402 KiB | 212 Q