Data Type Php

   $staff["givenname"][0] = "J";
   $staff["givenname"][1] = "M";
   $staff["givenname"][2] = "G";
   $staff["surname"][1] = "C";
   $staff["surname"][2] = "G";
   $staff["surname"][3] = "E";
   $res = array_multisort($staff["surname"],SORT_STRING,SORT_ASC,
                          $staff["givenname"],SORT_STRING,SORT_ASC);
   print_r($staff);
?>