- Output for 7.3.0 - 7.3.27, 7.4.0 - 7.4.15, 8.0.0 - 8.0.2
- 53
<?php
function datediffInWeeks($date1, $date2)
{
if($date1 > $date2) return datediffInWeeks($date2, $date1);
$first = DateTime::createFromFormat('Y-m-d', $date1);
$second = DateTime::createFromFormat('Y-m-d', $date2);
return floor($first->diff($second)->days/7);
}
echo datediffInWeeks('2021-10-13', '2020-10-01');// 21