Create Time Slots in PHP for Given Time

In this article, we will discuss “Create Time Slots in Php”. Check the following code snippet. With this code, we can create time slots for a given interval and time range.

function getTimeSlot($interval, $start_time, $end_time)
{
    $start = new DateTime($start_time);
    $end = new DateTime($end_time);
    $startTime = $start->format('H:i');
    $endTime = $end->format('H:i');
    $i=0;
    $time = [];
    while(strtotime($startTime) <= strtotime($endTime)){
        $start = $startTime;
        $end = date('H:i',strtotime('+'.$interval.' minutes',strtotime($startTime)));
        $startTime = date('H:i',strtotime('+'.$interval.' minutes',strtotime($startTime)));
        $i++;
        if(strtotime($startTime) <= strtotime($endTime)){
            $time[$i]['slot_start_time'] = $start;
            $time[$i]['slot_end_time'] = $end;
        }
    }
    return $time;
}

For e.g: create time slots for 30 minutes from 10 AM to 13 PM.

$slots = getTimeSlot(30, '10:00', '13:00');
echo '<pre>';
print_r($slots);

Output:

Array
(
    [1] => Array
        (
            [slot_start_time] => 10:00
            [slot_end_time] => 10:30
        )

    [2] => Array
        (
            [slot_start_time] => 10:30
            [slot_end_time] => 11:00
        )

    [3] => Array
        (
            [slot_start_time] => 11:00
            [slot_end_time] => 11:30
        )

    [4] => Array
        (
            [slot_start_time] => 11:30
            [slot_end_time] => 12:00
        )

    [5] => Array
        (
            [slot_start_time] => 12:00
            [slot_end_time] => 12:30
        )

    [6] => Array
        (
            [slot_start_time] => 12:30
            [slot_end_time] => 13:00
        )

)

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