3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(uniqid() === uniqid());
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.15, 7.3.0 - 7.3.2
bool(false)
preferences:
175.98 ms | 403 KiB | 208 Q