Function clusterObj_getGroupString

mapscript/php/mapscript_i.c:1590–1592

}

char *clusterObj_getGroupString(clusterObj *self) {
    return msGetExpressionString(&(self->group));
  }

int clusterObj_setFilter(clusterObj *self, char *string) {
    if (!string || strlen(string) == 0) {