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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Mysqli specific recordset.
*
* @package core_dml
* @copyright 2008 Petr Skoda (http://skodak.org)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(__DIR__.'/moodle_recordset.php');
/**
* Mysqli specific moodle recordset class
*
* @package core
* @subpackage dml_driver
* @copyright 2008 Petr Skoda (http://skodak.org)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mysqli_native_moodle_recordset extends moodle_recordset {
protected $result;
protected $current;
public function __construct($result) {
$this->result = $result;
$this->current = $this->fetch_next();
}
public function __destruct() {
$this->close();
}
private function fetch_next() {
if (!$this->result) {
return false;
}
if (!$row = $this->result->fetch_assoc()) {
$this->result->close();
$this->result = null;
return false;
}
$row = array_change_key_case($row, CASE_LOWER);
return $row;
}
public function current() {
return (object)$this->current;
}
public function key() {
// return first column value as key
if (!$this->current) {
return false;
}
$key = reset($this->current);
return $key;
}
public function next() {
$this->current = $this->fetch_next();
}
public function valid() {
return !empty($this->current);
}
public function close() {
if ($this->result) {
$this->result->close();
$this->result = null;
}
$this->current = null;
}
}