php calculate weeks between two dates
function numWeeks($dateOne, $dateTwo){
//Create a DateTime object for the first date.
$firstDate = new DateTime($dateOne);
//Create a DateTime object for the second date.
$secondDate = new DateTime($dateTwo);
//Get the difference between the two dates in days.
$differenceInDays = $firstDate->diff($secondDate)->days;
//Divide the days by 7
$differenceInWeeks = $differenceInDays / 7;
//Round down with floor and return the difference in weeks.
return floor($differenceInWeeks);
}
$numOfWeek = numWeeks('2021-01-21', '2021-01-28');