示例#1
0
 function &instance($group_id)
 {
     static $lookup = false;
     if (!$lookup) {
         $lookup = new AMPSystemLookup_PermissionLevel($group_id);
     } else {
         $lookup->_addCriteriaLevel($group_id);
         $lookup->init();
     }
     return $lookup->dataset;
 }