- Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.20, 8.1.0 - 8.1.7
- 24/07/2018 24/07/2018
<?php
$date = (new \DateTime('2018-07-03'))->modify('+21 days');
echo $date->format('d/m/Y')."\n";
$date = (new \DateTime('2018-07-03'))->add(new \DateInterval('P21D'));
echo $date->format('d/m/Y')."\n";