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<?php $cars=array("09:00","09:30","10:00","10:30","11:00","11:30","12:00","12:30"); $start = "09:40"; $end = "10:30"; $availability = array_combine($cars, array_map(function ($v) use ($start, $end) { return (strtotime($v) < strtotime($start) || strtotime($v) > strtotime($end)) ? 'available' : 'booked'; }, $cars)); print_r($availability);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [09:00] => available [09:30] => available [10:00] => booked [10:30] => booked [11:00] => available [11:30] => available [12:00] => available [12:30] => available )

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