129 lines
2.7 KiB
PHP
129 lines
2.7 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/**
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* PHP Array (OO wrapper)
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* Used to be returned by reference by __get() methods
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*
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @todo also implement Countable for PHP 5.1 but not yet to stay 5.0 compatible
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*/
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class Zend_Pdf_PhpArray implements ArrayAccess, Iterator, Countable {
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/**
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* Array element
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* @var mixed
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*/
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protected $_items = array();
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/**
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* Object constructor
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*
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* @param array $srcArray
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*/
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public function __construct($srcArray = null)
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{
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if ($srcArray === null) {
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reset($this->_items);
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} else if (is_array($srcArray)) {
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$this->_items = $srcArray;
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} else {
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throw new Exception('Array can be initialized only by other array');
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}
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}
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public function current()
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{
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return current($this->_items);
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}
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public function next()
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{
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return next($this->_items);
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}
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public function key()
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{
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return key($this->_items);
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}
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public function valid() {
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return current($this->_items)!==false;
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}
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public function rewind()
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{
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reset($this->_items);
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}
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public function offsetExists($offset)
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{
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return array_key_exists($offset, $this->_items);
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}
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public function offsetGet($offset)
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{
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return $this->_items[$offset];
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}
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public function offsetSet($offset, $value)
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{
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if ($offset === null) {
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$this->_items[] = $value;
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} else {
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$this->_items[$offset] = $value;
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}
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}
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public function offsetUnset($offset)
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{
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unset($this->_items[$offset]);
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}
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public function clear()
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{
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$this->_items = array();
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}
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/**
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* Defined by Countable interface
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*
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* @return int
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*/
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public function count()
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{
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return count($this->_items);
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}
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}
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