How to calculate the difference between two dates using PHP

function DateDiff($startDate, $endDate) {
        
    $startDate = strtotime($startDate);
    $endDate = strtotime($endDate);

    if ($startDate === false || $startDate < 0 || $endDate === false || $endDate < 0 || $startDate > $endDate){
        return false;
    }

    $years = date('Y', $endDate) - date('Y', $startDate);

    $endMonth = date('m', $endDate);
    $startMonth = date('m', $startDate);

    /*** Calculate months ***/
    $months = $endMonth - $startMonth;
    if ($months <= 0) {
        $months += 12;
        $years--;
    }

    if ($years < 0){
        return false;
    }

    /*** Calculate the days  ***/
    $offsets = array();
    if ($years > 0){
        $offsets[] = $years . (($years == 1) ? ' year' : ' years');
    }
    if ($months > 0){
        $offsets[] = $months . (($months == 1) ? ' month' : ' months');
    }
    $offsets = count($offsets) > 0 ? '+' . implode(' ', $offsets) : 'now';

    $days = $endDate - strtotime($offsets, $startDate);
    $days = date('z', $days);

    return array($years, $months, $days);
}

Plugin 'federated' is disabled. xampp

I have find solution for this error in xampp

1) On start MySQL service we have face some problem

2) Solution for this Error Plugin 'FEDERATED' is disabled.
     Just open Task Manager and go in Details tab then find mysqld.exe file stop this task.

3) Let's Re-try  start MySQL Service and see it's working.