3v4l.org

run code in 300+ PHP versions simultaneously
<?php $diff=date_diff(date_create('1997-1-1'),date_create(date("Y-m-d"))); echo $diff->format("%R%a days"); if ($diff < new DateTime('18 years')){ echo 'Too young!'; } else { echo 'old_enough'; }

preferences:
48.11 ms | 402 KiB | 5 Q