CQueueIterator

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

CQueueIterator implements an iterator for CQueue.

It allows CQueue to return a new iterator for traversing the items in the queue.

公共方法

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

__construct() 方法

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

源码： framework/collections/CQueueIterator.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/CQueueIterator.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/CQueueIterator.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/CQueueIterator.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/CQueueIterator.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/CQueueIterator.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.