$currentyear = intval(formatdate("Ymd", time()));
    	$bdage = $user_info['birthday'];
    	$bdage=str_replace('-','', $bdage);
    	$age = $currentyear-$bdage;
    	$age=intval(substr($age, 0, 2));
    	$age="($age Jahre)";

/* Alter ermitteln */
$age = '';
$temp  = explode('-', $user_info['birthday']);
$day   = intval($temp[2]);
$month = intval($temp[1]);
$year  = intval($temp[0]);
if (checkdate($month, $day, $year)) {
  $now = getdate();
  $age = $now['year'] - $year;
  if ($now['mon'] < $month || ($now['mon'] == $month && $now['mday'] < $day)) $age--;
  $age = "&nbsp;($age)";
}