function AgeFromBDate($date){
    ///// date in Y-m-d h:i:s format
    $year = intval(substr($date,0,4));
    $month = intval(substr($date,5,2));
    $day = intval(substr($date,8,2));
    $n_year = date("Y");
    $n_month = date("m");
    $n_day = date("d");
    if ($month==$n_month) {
        if ($day>$n_day) {
            $new_age = floor(($n_year - $year)+($n_month - $month-1)/12);
        } else {
            $new_age = floor(($n_year - $year) + ($n_month - $month)/12);
        }
    } else {
        $new_age = floor(($n_year - $year) + ($n_month - $month)/12);
    }
    return $new_age;
}