86 Zeilen
1.9 KiB
PHP
86 Zeilen
1.9 KiB
PHP
<?php
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/**
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* @package Core
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* @subpackage Util
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* @version $Rev$
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* @since 2.1
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* @author Ortwin Pinke <o.pinke@conlite.org>
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* @copyright (c) 2019, conlite.org
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* @license http://www.gnu.de/documents/gpl.en.html GPL v3 (english version)
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* @license http://www.gnu.de/documents/gpl.de.html GPL v3 (deutsche Version)
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* @link http://www.conlite.org ConLite.org
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*
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* $Id$
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*/
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// security check
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defined('CON_FRAMEWORK') or die('Illegal call');
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class cIterator {
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/**
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* Holds the items which should be iterated
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* @var array
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*/
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var $_aIteratorItems;
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/**
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* Holds the keys of the array which should be iterated
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*
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* @var array
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*/
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protected $_aKeys;
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/**
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*
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* @param array $aItems items to add
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*/
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public function __construct($aItems) {
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if (is_array($aItems)) {
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$this->_aIteratorItems = $aItems;
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} else {
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$this->_aIteratorItems = array();
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}
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$this->reset();
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}
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/**
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* reset: Resets the iterator to the first element
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*
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* This function moves the iterator to the first element
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*
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* @return none
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*/
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function reset() {
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$this->_aKeys = array_keys($this->_aIteratorItems);
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}
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/**
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* next: Returns the next item in the iterator
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*
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* This function returns the item, or false if no
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* items are left.
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*
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* @return mixed item or false if nothing was found
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*/
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function next() {
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$key = array_shift($this->_aKeys);
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return isset($this->_aIteratorItems[$key]) ? $this->_aIteratorItems[$key] : false;
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}
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/**
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* count: Returns the number of items in the iterator
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*
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* @return int Number of items
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*/
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function count() {
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if(is_countable($this->_aIteratorItems)) {
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return count($this->_aIteratorItems);
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}
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return 0;
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}
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}
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?>
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