Create Time Slots in PHP for Given Time

By Pankaj Sood On Jun 29, 2021

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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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