CStackIterator

包	system.collections
继承	class CStackIterator
实现	Iterator, Traversable
可用自	1.0
源码	framework/collections/CStackIterator.php

CStackIterator implements an iterator for CStack.

It allows CStack to return a new iterator for traversing the items in the stack.

公共方法

方法	描述	被定义在
__construct()	Constructor.	CStackIterator
current()	Returns the current array item.	CStackIterator
key()	Returns the key of the current array item.	CStackIterator
next()	Moves the internal pointer to the next array item.	CStackIterator
rewind()	Rewinds internal array pointer.	CStackIterator
valid()	Returns whether there is an item at current position.	CStackIterator

__construct() 方法

public void __construct(array &$data)
$data	array	the data to be iterated through

源码： framework/collections/CStackIterator.php#39 (显示)


public function __construct(&$data)
{
    $this->_d=&$data;
    $this->_i=0;
    $this->_c=count($this->_d);
}

Constructor.

current() 方法

public mixed current()
{return}	mixed	the current array item

源码： framework/collections/CStackIterator.php#70 (显示)


public function current()
{
    return $this->_d[$this->_i];
}

Returns the current array item. This method is required by the interface Iterator.

key() 方法

public integer key()
{return}	integer	the key of the current array item

源码： framework/collections/CStackIterator.php#60 (显示)


public function key()
{
    return $this->_i;
}

Returns the key of the current array item. This method is required by the interface Iterator.

next() 方法

public void next()

源码： framework/collections/CStackIterator.php#79 (显示)


public function next()
{
    $this->_i++;
}

Moves the internal pointer to the next array item. This method is required by the interface Iterator.

rewind() 方法

public void rewind()

源码： framework/collections/CStackIterator.php#50 (显示)


public function rewind()
{
    $this->_i=0;
}

Rewinds internal array pointer. This method is required by the interface Iterator.

valid() 方法

public boolean valid()
{return}	boolean

源码： framework/collections/CStackIterator.php#89 (显示)


public function valid()
{
    return $this->_i<$this->_c;
}

Returns whether there is an item at current position. This method is required by the interface Iterator.