3v4l.org

run code in 500+ PHP versions simultaneously
<?php $date = new \DateTime(); $t1 = $date->getTimestamp(); $t2 = $date->format('U'); print gettype($t1) . PHP_EOL; print gettype($t2) . PHP_EOL;
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.6
integer string
preferences:
98.77 ms | 1470 KiB | 4 Q