3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sql_dob = date_create_from_format('Y-m-d','1969-03-09'); $today = date_create(); echo date_format($today,'Y'); $age = date_diff($today,$sql_dob); echo date_interval_format($age,'y'); ?>

preferences:
38.36 ms | 402 KiB | 5 Q