3v4l.org

run code in 300+ PHP versions simultaneously
<?php $us = fmod(microtime(true), 1); if ($us > .8) usleep(300e3); $a = new DateTime(); usleep(1000); $b = new DateTime(); var_dump($a->format("Y-m-d H:i:s") == $b->format("Y-m-d H:i:s")); var_dump($a == $b);
Output for 7.1.0 - 7.1.2, 7.1.4 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0
bool(true) bool(false)
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.3
bool(true) bool(true)
preferences:
136.25 ms | 402 KiB | 119 Q