3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dt = new DateTime('now', new \DateTimeZone('UTC')); $dt->modify("+3 days"); $dt = clone $dt; $dt->modify("-6 weeks"); $serial = serialize(array($dt)); var_dump( $serial );

preferences:
58.01 ms | 402 KiB | 5 Q