/*
    Next Business Date

    Description:    Returns next business date after added business days

    Author:         Markus Diersbock

    Notes:          Works with Daylight Savings, excludes holidays
*/
function next_business_date($start_date, $biz_days_added, $delim = "/"){

    for ($i = 0; $i <= $biz_days_added; $i++) {
        $rtn = getdate(strtotime($start_date." +".($i)." day"));

        // if Sat or Sun extend days added
        if ($rtn["wday"] == 6 || $rtn["wday"] == 0){
            $biz_days_added++;
        }
    }
    return date("m".$delim."d".$delim."Y", $rtn[0]);
}