3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo is_int((string) time());
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.6

preferences:
98.77 ms | 402 KiB | 89 Q