group_id = $group_id; $this->file = $file; $this->indentation = $indentation; // TODO: Build a list of subgroups here. } // writeData writes group data into file. function writeData() { // TODO: write code here. // Write group info. Something dummy for now to test... fwrite($this->file, $this->indentation."\n"); fwrite($this->file, $this->indentation."\n"); // // // Call itself recursively for all subgroups. } }