mirror of
https://github.com/torrentpier/torrentpier-lts.git
synced 2025-03-01 15:21:02 +03:00
547 lines
14 KiB
PHP
547 lines
14 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\Cache\Storage\Adapter;
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use stdClass;
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use Zend\Cache\Exception;
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use Zend\Cache\Storage\Capabilities;
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use Zend\Cache\Storage\ClearByPrefixInterface;
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use Zend\Cache\Storage\FlushableInterface;
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use Zend\Cache\Storage\IterableInterface;
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use Zend\Session\Container as SessionContainer;
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class Session extends AbstractAdapter implements
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ClearByPrefixInterface,
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FlushableInterface,
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IterableInterface
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{
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/**
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* Set options.
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*
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* @param array|\Traversable|SessionOptions $options
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* @return Memory
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* @see getOptions()
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*/
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public function setOptions($options)
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{
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if (!$options instanceof SessionOptions) {
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$options = new SessionOptions($options);
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}
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return parent::setOptions($options);
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}
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/**
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* Get options.
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*
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* @return SessionOptions
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* @see setOptions()
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*/
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public function getOptions()
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{
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if (!$this->options) {
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$this->setOptions(new SessionOptions());
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}
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return $this->options;
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}
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/**
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* Get the session container
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*
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* @return SessionContainer
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*/
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protected function getSessionContainer()
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{
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$sessionContainer = $this->getOptions()->getSessionContainer();
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if (!$sessionContainer) {
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throw new Exception\RuntimeException("No session container configured");
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}
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return $sessionContainer;
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}
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/* IterableInterface */
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/**
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* Get the storage iterator
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*
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* @return KeyListIterator
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*/
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public function getIterator()
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if ($cntr->offsetExists($ns)) {
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$keys = array_keys($cntr->offsetGet($ns));
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} else {
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$keys = array();
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}
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return new KeyListIterator($this, $keys);
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}
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/* FlushableInterface */
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/**
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* Flush the whole session container
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*
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* @return bool
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*/
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public function flush()
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{
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$this->getSessionContainer()->exchangeArray(array());
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return true;
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}
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/* ClearByPrefixInterface */
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/**
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* Remove items matching given prefix
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*
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* @param string $prefix
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* @return bool
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*/
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public function clearByPrefix($prefix)
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{
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$prefix = (string) $prefix;
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if ($prefix === '') {
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throw new Exception\InvalidArgumentException('No prefix given');
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}
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if (!$cntr->offsetExists($ns)) {
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return true;
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}
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$data = $cntr->offsetGet($ns);
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$prefixL = strlen($prefix);
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foreach ($data as $key => & $item) {
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if (substr($key, 0, $prefixL) === $prefix) {
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unset($data[$key]);
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}
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}
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$cntr->offsetSet($ns, $data);
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return true;
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}
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/* reading */
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/**
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* Internal method to get an item.
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*
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* @param string $normalizedKey
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* @param bool $success
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* @param mixed $casToken
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* @return mixed Data on success, null on failure
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* @throws Exception\ExceptionInterface
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*/
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protected function internalGetItem(& $normalizedKey, & $success = null, & $casToken = null)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if (!$cntr->offsetExists($ns)) {
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$success = false;
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return;
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}
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$data = $cntr->offsetGet($ns);
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$success = array_key_exists($normalizedKey, $data);
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if (!$success) {
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return;
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}
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$casToken = $value = $data[$normalizedKey];
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return $value;
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}
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/**
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* Internal method to get multiple items.
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*
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* @param array $normalizedKeys
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* @return array Associative array of keys and values
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* @throws Exception\ExceptionInterface
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*/
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protected function internalGetItems(array & $normalizedKeys)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if (!$cntr->offsetExists($ns)) {
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return array();
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}
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$data = $cntr->offsetGet($ns);
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$result = array();
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foreach ($normalizedKeys as $normalizedKey) {
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if (array_key_exists($normalizedKey, $data)) {
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$result[$normalizedKey] = $data[$normalizedKey];
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}
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}
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return $result;
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}
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/**
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* Internal method to test if an item exists.
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*
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* @param string $normalizedKey
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* @return bool
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*/
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protected function internalHasItem(& $normalizedKey)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if (!$cntr->offsetExists($ns)) {
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return false;
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}
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$data = $cntr->offsetGet($ns);
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return array_key_exists($normalizedKey, $data);
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}
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/**
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* Internal method to test multiple items.
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*
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* @param array $normalizedKeys
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* @return array Array of found keys
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*/
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protected function internalHasItems(array & $normalizedKeys)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if (!$cntr->offsetExists($ns)) {
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return array();
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}
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$data = $cntr->offsetGet($ns);
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$result = array();
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foreach ($normalizedKeys as $normalizedKey) {
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if (array_key_exists($normalizedKey, $data)) {
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$result[] = $normalizedKey;
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}
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}
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return $result;
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}
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/**
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* Get metadata of an item.
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*
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* @param string $normalizedKey
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* @return array|bool Metadata on success, false on failure
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* @throws Exception\ExceptionInterface
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*
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* @triggers getMetadata.pre(PreEvent)
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* @triggers getMetadata.post(PostEvent)
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* @triggers getMetadata.exception(ExceptionEvent)
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*/
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protected function internalGetMetadata(& $normalizedKey)
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{
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return $this->internalHasItem($normalizedKey) ? array() : false;
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}
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/* writing */
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/**
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* Internal method to store an item.
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*
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* @param string $normalizedKey
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* @param mixed $value
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalSetItem(& $normalizedKey, & $value)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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$data = $cntr->offsetExists($ns) ? $cntr->offsetGet($ns) : array();
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$data[$normalizedKey] = $value;
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$cntr->offsetSet($ns, $data);
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return true;
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}
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/**
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* Internal method to store multiple items.
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*
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* @param array $normalizedKeyValuePairs
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* @return array Array of not stored keys
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* @throws Exception\ExceptionInterface
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*/
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protected function internalSetItems(array & $normalizedKeyValuePairs)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if ($cntr->offsetExists($ns)) {
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$data = array_merge($cntr->offsetGet($ns), $normalizedKeyValuePairs);
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} else {
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$data = $normalizedKeyValuePairs;
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}
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$cntr->offsetSet($ns, $data);
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return array();
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}
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/**
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* Add an item.
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*
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* @param string $normalizedKey
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* @param mixed $value
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalAddItem(& $normalizedKey, & $value)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if ($cntr->offsetExists($ns)) {
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$data = $cntr->offsetGet($ns);
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if (array_key_exists($normalizedKey, $data)) {
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return false;
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}
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$data[$normalizedKey] = $value;
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} else {
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$data = array($normalizedKey => $value);
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}
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$cntr->offsetSet($ns, $data);
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return true;
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}
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/**
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* Internal method to add multiple items.
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*
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* @param array $normalizedKeyValuePairs
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* @return array Array of not stored keys
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* @throws Exception\ExceptionInterface
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*/
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protected function internalAddItems(array & $normalizedKeyValuePairs)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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$result = array();
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if ($cntr->offsetExists($ns)) {
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$data = $cntr->offsetGet($ns);
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foreach ($normalizedKeyValuePairs as $normalizedKey => $value) {
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if (array_key_exists($normalizedKey, $data)) {
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$result[] = $normalizedKey;
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} else {
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$data[$normalizedKey] = $value;
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}
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}
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} else {
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$data = $normalizedKeyValuePairs;
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}
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$cntr->offsetSet($ns, $data);
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return $result;
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}
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/**
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* Internal method to replace an existing item.
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*
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* @param string $normalizedKey
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* @param mixed $value
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalReplaceItem(& $normalizedKey, & $value)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if (!$cntr->offsetExists($ns)) {
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return false;
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}
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$data = $cntr->offsetGet($ns);
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if (!array_key_exists($normalizedKey, $data)) {
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return false;
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}
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$data[$normalizedKey] = $value;
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$cntr->offsetSet($ns, $data);
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return true;
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}
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/**
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* Internal method to replace multiple existing items.
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*
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* @param array $normalizedKeyValuePairs
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* @return array Array of not stored keys
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* @throws Exception\ExceptionInterface
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*/
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protected function internalReplaceItems(array & $normalizedKeyValuePairs)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if (!$cntr->offsetExists($ns)) {
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return array_keys($normalizedKeyValuePairs);
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}
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$data = $cntr->offsetGet($ns);
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$result = array();
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foreach ($normalizedKeyValuePairs as $normalizedKey => $value) {
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if (!array_key_exists($normalizedKey, $data)) {
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$result[] = $normalizedKey;
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} else {
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$data[$normalizedKey] = $value;
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}
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}
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$cntr->offsetSet($ns, $data);
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return $result;
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}
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/**
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* Internal method to remove an item.
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*
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* @param string $normalizedKey
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalRemoveItem(& $normalizedKey)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if (!$cntr->offsetExists($ns)) {
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return false;
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}
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$data = $cntr->offsetGet($ns);
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if (!array_key_exists($normalizedKey, $data)) {
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return false;
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}
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unset($data[$normalizedKey]);
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if (!$data) {
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$cntr->offsetUnset($ns);
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} else {
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$cntr->offsetSet($ns, $data);
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}
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return true;
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}
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/**
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* Internal method to increment an item.
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*
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* @param string $normalizedKey
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* @param int $value
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* @return int|bool The new value on success, false on failure
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* @throws Exception\ExceptionInterface
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*/
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protected function internalIncrementItem(& $normalizedKey, & $value)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if ($cntr->offsetExists($ns)) {
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$data = $cntr->offsetGet($ns);
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} else {
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$data = array();
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}
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if (array_key_exists($normalizedKey, $data)) {
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$data[$normalizedKey]+= $value;
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$newValue = $data[$normalizedKey];
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} else {
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// initial value
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$newValue = $value;
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$data[$normalizedKey] = $newValue;
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}
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$cntr->offsetSet($ns, $data);
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return $newValue;
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}
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/**
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* Internal method to decrement an item.
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*
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* @param string $normalizedKey
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* @param int $value
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* @return int|bool The new value on success, false on failure
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* @throws Exception\ExceptionInterface
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*/
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protected function internalDecrementItem(& $normalizedKey, & $value)
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{
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$cntr = $this->getSessionContainer();
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$ns = $this->getOptions()->getNamespace();
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if ($cntr->offsetExists($ns)) {
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$data = $cntr->offsetGet($ns);
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} else {
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$data = array();
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}
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if (array_key_exists($normalizedKey, $data)) {
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$data[$normalizedKey]-= $value;
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$newValue = $data[$normalizedKey];
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} else {
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// initial value
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$newValue = -$value;
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$data[$normalizedKey] = $newValue;
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}
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$cntr->offsetSet($ns, $data);
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return $newValue;
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}
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/* status */
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/**
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* Internal method to get capabilities of this adapter
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*
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* @return Capabilities
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*/
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protected function internalGetCapabilities()
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{
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if ($this->capabilities === null) {
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$this->capabilityMarker = new stdClass();
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$this->capabilities = new Capabilities(
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$this,
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$this->capabilityMarker,
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array(
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'supportedDatatypes' => array(
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'NULL' => true,
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'boolean' => true,
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'integer' => true,
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'double' => true,
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'string' => true,
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'array' => 'array',
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'object' => 'object',
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'resource' => false,
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),
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'supportedMetadata' => array(),
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'minTtl' => 0,
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'maxKeyLength' => 0,
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'namespaceIsPrefix' => false,
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'namespaceSeparator' => '',
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)
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);
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}
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return $this->capabilities;
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}
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}
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