You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.9 KiB
66 lines
1.9 KiB
<?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/>.
|
|
|
|
/**
|
|
* @package moodlecore
|
|
* @subpackage backup-helper
|
|
* @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
/**
|
|
* Implementation of iterator interface to work with common arrays
|
|
*
|
|
* This class implements the iterator interface in order to provide one
|
|
* common API to be used in backup and restore when, within the same code,
|
|
* both database recordsets (already iteratorors) and arrays of information
|
|
* are used.
|
|
*
|
|
* TODO: Finish phpdocs
|
|
*/
|
|
class backup_array_iterator implements iterator {
|
|
|
|
private $arr;
|
|
|
|
public function __construct(array $arr) {
|
|
$this->arr = $arr;
|
|
}
|
|
|
|
public function rewind() {
|
|
return reset($this->arr);
|
|
}
|
|
|
|
public function current() {
|
|
return current($this->arr);
|
|
}
|
|
|
|
public function key() {
|
|
return key($this->arr);
|
|
}
|
|
|
|
public function next() {
|
|
return next($this->arr);
|
|
}
|
|
|
|
public function valid() {
|
|
return key($this->arr) !== null;
|
|
}
|
|
|
|
public function close() { // Added to provide compatibility with recordset iterators
|
|
reset($this->arr); // Just reset the array
|
|
}
|
|
}
|
|
|