Online PHP editor | refs for Il6Db

<?php function isMonday($date) { return $date->format('N') === '1'; } function isSunday($date) { return $date->format('N') === '7'; } function getMondays($start, $end) { $mondays = []; $datePeriod = new DatePeriod($start, new DateInterval('P1D'), $end); foreach ($datePeriod as $date) { if (isMonday($date)) $mondays[] = $date; } if (!isSunday($end)) array_pop($mondays); return $mondays; } $startDate = new DateTime('2021-06-20'); $endDate = new DateTime('2021-07-07'); var_dump(getMondays($startDate, $endDate));