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