Yii2 Bootstrap 3
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<?php
/**
* Dictionary class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\web;
use yii\base\DictionaryIterator;
/**
* Dictionary implements a collection that stores key-value pairs.
*
* You can access, add or remove an item with a key by using
* [[itemAt()]], [[add()]], and [[remove()]].
*
* To get the number of the items in the dictionary, use [[getCount()]].
*
* Because Dictionary implements a set of SPL interfaces, it can be used
* like a regular PHP array as follows,
*
* ~~~
* $dictionary[$key] = $value; // add a key-value pair
* unset($dictionary[$key]); // remove the value with the specified key
* if (isset($dictionary[$key])) // if the dictionary contains the key
* foreach ($dictionary as $key=>$value) // traverse the items in the dictionary
* $n = count($dictionary); // returns the number of items in the dictionary
* ~~~
*
* @property integer $count the number of items in the dictionary
* @property array $keys The keys in the dictionary
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class CookieCollection extends \yii\base\Object implements \IteratorAggregate, \ArrayAccess, \Countable
{
/**
* @var Cookie[] internal data storage
*/
private $_cookies = array();
/**
* Constructor.
* Initializes the dictionary with an array or an iterable object.
* @param array $cookies the initial data to be populated into the dictionary.
* This can be an array or an iterable object.
* @param array $config name-value pairs that will be used to initialize the object properties
*/
public function __construct($cookies = array(), $config = array())
{
$this->_cookies = $cookies;
parent::__construct($config);
}
/**
* Returns an iterator for traversing the items in the dictionary.
* This method is required by the SPL interface `IteratorAggregate`.
* It will be implicitly called when you use `foreach` to traverse the dictionary.
* @return DictionaryIterator an iterator for traversing the items in the dictionary.
*/
public function getIterator()
{
return new DictionaryIterator($this->_cookies);
}
/**
* Returns the number of items in the dictionary.
* This method is required by the SPL `Countable` interface.
* It will be implicitly called when you use `count($dictionary)`.
* @return integer number of items in the dictionary.
*/
public function count()
{
return $this->getCount();
}
/**
* Returns the number of items in the dictionary.
* @return integer the number of items in the dictionary
*/
public function getCount()
{
return count($this->_cookies);
}
/**
* Returns the keys stored in the dictionary.
* @return array the key list
*/
public function getNames()
{
return array_keys($this->_cookies);
}
/**
* Returns the item with the specified key.
* @param mixed $name the key
* @return Cookie the element with the specified key.
* Null if the key cannot be found in the dictionary.
*/
public function getCookie($name)
{
return isset($this->_cookies[$name]) ? $this->_cookies[$name] : null;
}
/**
* Adds an item into the dictionary.
* Note, if the specified key already exists, the old value will be overwritten.
* @param Cookie $cookie value
* @throws Exception if the dictionary is read-only
*/
public function add(Cookie $cookie)
{
if (isset($this->_cookies[$cookie->name])) {
$this->remove($this->_cookies[$cookie->name]);
}
setcookie($cookie->name, $cookie->value, $cookie->expire, $cookie->path, $cookie->domain, $cookie->secure, $cookie->httpOnly);
$this->_cookies[$cookie->name] = $cookie;
}
/**
* Removes an item from the dictionary by its key.
* @param mixed $key the key of the item to be removed
* @return mixed the removed value, null if no such key exists.
* @throws Exception if the dictionary is read-only
*/
public function remove(Cookie $cookie)
{
setcookie($cookie->name, '', 0, $cookie->path, $cookie->domain, $cookie->secure, $cookie->httpOnly);
unset($this->_cookies[$cookie->name]);
}
/**
* Removes all items from the dictionary.
* @param boolean $safeClear whether to clear every item by calling [[remove]].
* Defaults to false, meaning all items in the dictionary will be cleared directly
* without calling [[remove]].
*/
public function clear($safeClear = false)
{
if ($safeClear) {
foreach (array_keys($this->_cookies) as $key) {
$this->remove($key);
}
} else {
$this->_cookies = array();
}
}
/**
* Returns the dictionary as a PHP array.
* @return array the list of items in array
*/
public function toArray()
{
return $this->_cookies;
}
/**
* Returns whether there is an element at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `isset($dictionary[$offset])`.
* This is equivalent to [[contains]].
* @param mixed $offset the offset to check on
* @return boolean
*/
public function offsetExists($offset)
{
return isset($this->_cookies[$offset]);
}
/**
* Returns the element at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `$value = $dictionary[$offset];`.
* This is equivalent to [[itemAt]].
* @param mixed $offset the offset to retrieve element.
* @return mixed the element at the offset, null if no element is found at the offset
*/
public function offsetGet($offset)
{
return $this->getCookie($offset);
}
/**
* Sets the element at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `$dictionary[$offset] = $item;`.
* If the offset is null, the new item will be appended to the dictionary.
* Otherwise, the existing item at the offset will be replaced with the new item.
* This is equivalent to [[add]].
* @param mixed $offset the offset to set element
* @param mixed $item the element value
*/
public function offsetSet($offset, $item)
{
$this->add($item);
}
/**
* Unsets the element at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `unset($dictionary[$offset])`.
* This is equivalent to [[remove]].
* @param mixed $offset the offset to unset element
*/
public function offsetUnset($offset)
{
if (isset($this->_cookies[$offset])) {
$this->remove($this->_cookies[$offset]);
}
}
/**
* @return array list of validated cookies
*/
protected function loadCookies($data)
{
$cookies = array();
if ($this->_request->enableCookieValidation) {
$sm = Yii::app()->getSecurityManager();
foreach ($_COOKIE as $name => $value) {
if (is_string($value) && ($value = $sm->validateData($value)) !== false) {
$cookies[$name] = new CHttpCookie($name, @unserialize($value));
}
}
} else {
foreach ($_COOKIE as $name => $value) {
$cookies[$name] = new CHttpCookie($name, $value);
}
}
return $cookies;
}
}