CHttpSessionIterator

所有包 | 方法

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

CHttpSessionIterator implements an iterator for CHttpSession.

It allows CHttpSession to return a new iterator for traversing the session variables.

公共方法

隐藏继承的方法

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

方法详情

__construct() 方法

public void __construct()

源码： framework/web/CHttpSessionIterator.php#35 (显示)


public function __construct()
{
    $this->_keys=array_keys($_SESSION);
}

Constructor.

current() 方法

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

源码： framework/web/CHttpSessionIterator.php#64 (显示)


public function current()
{
    return isset($_SESSION[$this->_key])?$_SESSION[$this->_key]:null;
}

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

key() 方法

public mixed key()
{return}	mixed	the key of the current array element

源码： framework/web/CHttpSessionIterator.php#54 (显示)


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

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

next() 方法

public void next()

源码： framework/web/CHttpSessionIterator.php#73 (显示)


public function next()
{
    do
    {
        $this->_key=next($this->_keys);
    }
    while(!isset($_SESSION[$this->_key]) && $this->_key!==false);
}

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

rewind() 方法

public void rewind()

源码： framework/web/CHttpSessionIterator.php#44 (显示)


public function rewind()
{
    $this->_key=reset($this->_keys);
}

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

valid() 方法

public boolean valid()
{return}	boolean

源码： framework/web/CHttpSessionIterator.php#87 (显示)


public function valid()
{
    return $this->_key!==false;
}

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