【php开源代码栏目提醒】:文章导读:在新的一年中,各位网友都进入紧张的学习或是工作阶段。网学会员整理了php开源代码-PHPArray.php的相关内容供大家参考,祝大家在新的一年里工作和学习顺利!
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to version 1.0 of the Zend Framework
* license, that is bundled with this package in the file LICENSE, and
* is available through the world-wide-web at the following URL:
* http://www.zend.com/license/framework/1_0.txt. If you did not receive
* a copy of the Zend Framework license and are unable to obtain it
* through the world-wide-
web, please send a note to license@zend.com
* so we can mail you a copy immediately.
*
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
*/
/**
* PHP Array (OO wrapper)
* Used to be returned by reference by __get() methods
*
* @todo also implement Countable for
PHP 5.1 but not yet to stay 5.0 compatible
*
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
*/
class Zend_Pdf_PHPArray implements ArrayAccess, Iterator {
/**
* Array element
* @var mixed
*/
protected $_items = array();
/**
* Object constructor
*
* @param array $srcArray
*/
public function __construct($srcArray = null)
{
if ($srcArray === null) {
reset($this->_items);
} else if (is_array($srcArray)) {
$this->_items = $srcArray;
} else {
throw new Exception('Array can be initialized only by other array');
}
}
public function current()
{
return current($this->_items);
}
public function next()
{
return next($this->_items);
}
public function key()
{
return key($this->_items);
}
public function valid() {
return current($this->_items)!==false;
}
public function rewind()
{
reset($this->_items);
}
public function offsetExists($offset)
{
return array_key_exists($offset, $this->_items);
}
public function offsetGet($offset)
{
return $this->_items[$offset];
}
public function offsetSet($offset, $value)
{
if ($offset === null) {
$this->_items[] = $value;
} else {
$this->_items[$offset] = $value;
}
}
public function offsetUnset($offset)
{
unset($this->_items[$offset]);
}
public function clear()
{
$this->_items = array();
}
}