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105 lines
2.6 KiB
PHP
105 lines
2.6 KiB
PHP
<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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namespace Zend\Session\Storage;
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use Zend\Stdlib\ArrayObject;
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/**
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* Session storage in $_SESSION
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*
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* Replaces the $_SESSION superglobal with an ArrayObject that allows for
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* property access, metadata storage, locking, and immutability.
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*/
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class SessionStorage extends ArrayStorage
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{
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/**
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* Constructor
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*
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* Sets the $_SESSION superglobal to an ArrayObject, maintaining previous
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* values if any discovered.
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*
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* @param array|null $input
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* @param int $flags
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* @param string $iteratorClass
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*/
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public function __construct($input = null, $flags = ArrayObject::ARRAY_AS_PROPS, $iteratorClass = '\\ArrayIterator')
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{
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$resetSession = true;
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if ((null === $input) && isset($_SESSION)) {
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$input = $_SESSION;
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if (is_object($input) && $_SESSION instanceof ArrayObject) {
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$resetSession = false;
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} elseif (is_object($input) && !$_SESSION instanceof ArrayObject) {
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$input = (array) $input;
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}
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} elseif (null === $input) {
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$input = array();
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}
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parent::__construct($input, $flags, $iteratorClass);
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if ($resetSession) {
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$_SESSION = $this;
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}
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}
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/**
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* Destructor
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*
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* Resets $_SESSION superglobal to an array, by casting object using
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* getArrayCopy().
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*
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* @return void
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*/
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public function __destruct()
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{
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$_SESSION = (array) $this->getArrayCopy();
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}
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/**
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* Load session object from an existing array
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*
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* Ensures $_SESSION is set to an instance of the object when complete.
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*
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* @param array $array
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* @return SessionStorage
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*/
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public function fromArray(array $array)
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{
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parent::fromArray($array);
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if ($_SESSION !== $this) {
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$_SESSION = $this;
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}
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return $this;
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}
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/**
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* Mark object as isImmutable
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*
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* @return SessionStorage
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*/
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public function markImmutable()
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{
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$this['_IMMUTABLE'] = true;
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return $this;
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}
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/**
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* Determine if this object is isImmutable
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*
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* @return bool
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*/
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public function isImmutable()
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{
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return (isset($this['_IMMUTABLE']) && $this['_IMMUTABLE']);
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}
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}
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