3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Now $time = time(); // Date you want $date = new DateTime('2014-09-18'); $newTime = $date->format('U'); // Copy paste the result into the command below echo ($time - $newTime) * 1000;
Output for 7.1.25 - 7.1.32, 7.2.0 - 7.2.23, 7.3.0 - 7.3.10
159655953000

preferences:
71.34 ms | 402 KiB | 48 Q