/** * Get the next row of data from the csv file (only the columns we care about) * * @return stdClass or false The stdClass is an object containing user, grade and lastmodified */ public function next() { global $DB; $result = new stdClass(); while ($record = $this->csvreader->next()) { $idstr = $record[$this->idindex]; // Strip the integer from the end of the participant string. $id = substr($idstr, strlen(get_string('hiddenuser', 'assign'))); if ($userid = $this->assignment->get_user_id_for_uniqueid($id)) { if (array_key_exists($userid, $this->validusers)) { $result->grade = $record[$this->gradeindex]; $result->modified = strtotime($record[$this->modifiedindex]); $result->user = $this->validusers[$userid]; $result->feedback = array(); foreach ($this->feedbackcolumnindexes as $description => $details) { if (!empty($details['index'])) { $details['value'] = $record[$details['index']]; $result->feedback[] = $details; } } return $result; } } } // If we got here the csvreader had no more rows. return false; }