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CQueueIterator

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

隐藏继承的方法

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

方法详情

__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.