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<?php $str = 'Saturday-Thursday'; list($begin, $end) = array_map(fn($d) => new DateTime($d), explode('-', $str)); $end = $end->modify($end < $begin ? '+8 days':'+1 day'); $interval = new DateInterval('P1D'); $daterange = new DatePeriod($begin, $interval, $end); $result = array_map(fn($d) => $d->format('l'), [...$daterange]); print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Saturday [1] => Sunday [2] => Monday [3] => Tuesday [4] => Wednesday [5] => Thursday )

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