function to get members age

function to get members age :

PHP Code:

////////////////////////////GET USERS AGE////////////////////////////////// function getage($birthdate)
{
   list($day, $month, $year) = split('-',  $birthdate);
              $tmonth = date('n');
              $tday = date('j');
              $tyear = date('Y');
              $years = $tyear - $year;
              if ($tmonth <= $month)
              {
              if ($month == $tmonth)
              {
              if ($day > $tday)$years--;
               }
               else $years--;
               }

           return $years;
}  

usage 

Code:

echo getage("30-05-1982");