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<?php $cars=array("09:00","09:30","10:00","10:30","11:00","11:30","12:00","12:30"); $start = "09:30"; $end = "10:30"; $cars = array_filter($cars, function ($v) use ($start, $end) { return strtotime($v) < strtotime($start) || strtotime($v) > strtotime($end); }); print_r($cars);

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