PHP: List Months Between 2 Dates

Based on code:

function list_months($start, $end) {
    $period = new DatePeriod(
        (new DateTime($start))->modify('first day of this month'),
        DateInterval::createFromDateString('1 month'),
        (new DateTime($end))->modify('first day of next month')
    );
    $month = [];
    foreach ($period as $dt) {
        $month[] = $dt->format('Ym');
    }
    return $month;
}

Notes:

  • Line 3: get the first of the month from start date.
  • Line 5: get the first of the end date’s next month. This to include month of end date in result.

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