PHP EntityRelations::getRelationTypePairIDs示例

 public static function syncRelations($entityguid, $userid, $relations = array())
 {
     $entityname = EntityTypes::getTypeByGuid($entityguid);
     if ($entityname === null) {
         throw new Exception("Object entity type not found for relation");
     }
     $relids = EntityRelations::relateDirectEntity($entityguid, "organization", $userid, $relations);
     EntityRelations::unrelateAll($entityguid, $relids, false, EntityRelations::getRelationTypePairIDs($entityname, "organization"));
     $relids = EntityRelations::relateDirectEntity($entityguid, "project", $userid, $relations);
     EntityRelations::unrelateAll($entityguid, $relids, false, EntityRelations::getRelationTypePairIDs($entityname, "project"));
 }