mirror of
https://github.com/torrentpier/torrentpier-lts.git
synced 2025-03-01 15:21:02 +03:00
755 lines
23 KiB
PHP
755 lines
23 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 APCIterator as BaseApcIterator;
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use stdClass;
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use Traversable;
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use Zend\Cache\Exception;
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use Zend\Cache\Storage\AvailableSpaceCapableInterface;
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use Zend\Cache\Storage\Capabilities;
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use Zend\Cache\Storage\ClearByNamespaceInterface;
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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\Cache\Storage\TotalSpaceCapableInterface;
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class Apc extends AbstractAdapter implements
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AvailableSpaceCapableInterface,
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ClearByNamespaceInterface,
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ClearByPrefixInterface,
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FlushableInterface,
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IterableInterface,
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TotalSpaceCapableInterface
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{
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/**
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* Buffered total space in bytes
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*
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* @var null|int|float
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*/
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protected $totalSpace;
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/**
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* Constructor
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*
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* @param null|array|Traversable|ApcOptions $options
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* @throws Exception\ExceptionInterface
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*/
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public function __construct($options = null)
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{
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if (version_compare('3.1.6', phpversion('apc')) > 0) {
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throw new Exception\ExtensionNotLoadedException("Missing ext/apc >= 3.1.6");
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}
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$enabled = ini_get('apc.enabled');
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if (PHP_SAPI == 'cli') {
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$enabled = $enabled && (bool) ini_get('apc.enable_cli');
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}
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if (!$enabled) {
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throw new Exception\ExtensionNotLoadedException(
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"ext/apc is disabled - see 'apc.enabled' and 'apc.enable_cli'"
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);
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}
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parent::__construct($options);
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}
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/* options */
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/**
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* Set options.
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*
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* @param array|Traversable|ApcOptions $options
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* @return Apc
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* @see getOptions()
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*/
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public function setOptions($options)
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{
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if (!$options instanceof ApcOptions) {
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$options = new ApcOptions($options);
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}
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return parent::setOptions($options);
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}
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/**
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* Get options.
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*
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* @return ApcOptions
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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 ApcOptions());
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}
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return $this->options;
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}
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/* TotalSpaceCapableInterface */
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/**
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* Get total space in bytes
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*
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* @return int|float
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*/
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public function getTotalSpace()
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{
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if ($this->totalSpace === null) {
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$smaInfo = apc_sma_info(true);
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$this->totalSpace = $smaInfo['num_seg'] * $smaInfo['seg_size'];
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}
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return $this->totalSpace;
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}
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/* AvailableSpaceCapableInterface */
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/**
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* Get available space in bytes
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*
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* @return int|float
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*/
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public function getAvailableSpace()
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{
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$smaInfo = apc_sma_info(true);
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return $smaInfo['avail_mem'];
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}
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/* IterableInterface */
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/**
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* Get the storage iterator
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*
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* @return ApcIterator
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*/
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public function getIterator()
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = '';
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$pattern = null;
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if ($namespace !== '') {
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$prefix = $namespace . $options->getNamespaceSeparator();
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$pattern = '/^' . preg_quote($prefix, '/') . '/';
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}
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$baseIt = new BaseApcIterator('user', $pattern, 0, 1, APC_LIST_ACTIVE);
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return new ApcIterator($this, $baseIt, $prefix);
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}
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/* FlushableInterface */
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/**
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* Flush the whole storage
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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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return apc_clear_cache('user');
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}
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/* ClearByNamespaceInterface */
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/**
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* Remove items by given namespace
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*
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* @param string $namespace
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* @return bool
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*/
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public function clearByNamespace($namespace)
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{
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$namespace = (string) $namespace;
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if ($namespace === '') {
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throw new Exception\InvalidArgumentException('No namespace given');
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}
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$options = $this->getOptions();
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$prefix = $namespace . $options->getNamespaceSeparator();
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$pattern = '/^' . preg_quote($prefix, '/') . '/';
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return apc_delete(new BaseApcIterator('user', $pattern, 0, 1, APC_LIST_ACTIVE));
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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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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$nsPrefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$pattern = '/^' . preg_quote($nsPrefix . $prefix, '/') . '/';
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return apc_delete(new BaseApcIterator('user', $pattern, 0, 1, APC_LIST_ACTIVE));
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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, & $casToken = null)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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$result = apc_fetch($internalKey, $success);
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if (!$success) {
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return;
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}
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$casToken = $result;
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return $result;
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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 & $normalizedKeys)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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if ($namespace === '') {
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return apc_fetch($normalizedKeys);
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}
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$prefix = $namespace . $options->getNamespaceSeparator();
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$internalKeys = array();
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foreach ($normalizedKeys as $normalizedKey) {
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$internalKeys[] = $prefix . $normalizedKey;
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}
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$fetch = apc_fetch($internalKeys);
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// remove namespace prefix
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$prefixL = strlen($prefix);
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$result = array();
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foreach ($fetch as $internalKey => & $value) {
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$result[substr($internalKey, $prefixL)] = $value;
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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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* @throws Exception\ExceptionInterface
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*/
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protected function internalHasItem(& $normalizedKey)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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return apc_exists($prefix . $normalizedKey);
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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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* @throws Exception\ExceptionInterface
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*/
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protected function internalHasItems(array & $normalizedKeys)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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if ($namespace === '') {
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// array_filter with no callback will remove entries equal to FALSE
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return array_keys(array_filter(apc_exists($normalizedKeys)));
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}
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$prefix = $namespace . $options->getNamespaceSeparator();
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$internalKeys = array();
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foreach ($normalizedKeys as $normalizedKey) {
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$internalKeys[] = $prefix . $normalizedKey;
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}
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$exists = apc_exists($internalKeys);
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$result = array();
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$prefixL = strlen($prefix);
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foreach ($exists as $internalKey => $bool) {
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if ($bool === true) {
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$result[] = substr($internalKey, $prefixL);
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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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protected function internalGetMetadata(& $normalizedKey)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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// @see http://pecl.php.net/bugs/bug.php?id=22564
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if (!apc_exists($internalKey)) {
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$metadata = false;
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} else {
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$format = APC_ITER_ALL ^ APC_ITER_VALUE ^ APC_ITER_TYPE ^ APC_ITER_REFCOUNT;
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$regexp = '/^' . preg_quote($internalKey, '/') . '$/';
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$it = new BaseApcIterator('user', $regexp, $format, 100, APC_LIST_ACTIVE);
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$metadata = $it->current();
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}
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if (!$metadata) {
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return false;
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}
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$this->normalizeMetadata($metadata);
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return $metadata;
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}
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/**
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* Get metadata of multiple items
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*
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* @param array $normalizedKeys
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* @return array Associative array of keys and metadata
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*
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* @triggers getMetadatas.pre(PreEvent)
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* @triggers getMetadatas.post(PostEvent)
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* @triggers getMetadatas.exception(ExceptionEvent)
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*/
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protected function internalGetMetadatas(array & $normalizedKeys)
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{
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$keysRegExp = array();
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foreach ($normalizedKeys as $normalizedKey) {
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$keysRegExp[] = preg_quote($normalizedKey, '/');
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}
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefixL = 0;
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if ($namespace === '') {
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$pattern = '/^(' . implode('|', $keysRegExp) . ')' . '$/';
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} else {
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$prefix = $namespace . $options->getNamespaceSeparator();
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$prefixL = strlen($prefix);
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$pattern = '/^' . preg_quote($prefix, '/') . '(' . implode('|', $keysRegExp) . ')' . '$/';
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}
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$format = APC_ITER_ALL ^ APC_ITER_VALUE ^ APC_ITER_TYPE ^ APC_ITER_REFCOUNT;
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$it = new BaseApcIterator('user', $pattern, $format, 100, APC_LIST_ACTIVE);
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$result = array();
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foreach ($it as $internalKey => $metadata) {
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// @see http://pecl.php.net/bugs/bug.php?id=22564
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if (!apc_exists($internalKey)) {
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continue;
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}
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$this->normalizeMetadata($metadata);
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$result[substr($internalKey, $prefixL)] = $metadata;
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}
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return $result;
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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, & $value)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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$ttl = $options->getTtl();
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if (!apc_store($internalKey, $value, $ttl)) {
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$type = is_object($value) ? get_class($value) : gettype($value);
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throw new Exception\RuntimeException(
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"apc_store('{$internalKey}', <{$type}>, {$ttl}) failed"
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);
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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 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 & $normalizedKeyValuePairs)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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if ($namespace === '') {
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return array_keys(apc_store($normalizedKeyValuePairs, null, $options->getTtl()));
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}
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$prefix = $namespace . $options->getNamespaceSeparator();
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$internalKeyValuePairs = array();
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foreach ($normalizedKeyValuePairs as $normalizedKey => &$value) {
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$internalKey = $prefix . $normalizedKey;
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$internalKeyValuePairs[$internalKey] = &$value;
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}
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$failedKeys = apc_store($internalKeyValuePairs, null, $options->getTtl());
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$failedKeys = array_keys($failedKeys);
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// remove prefix
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$prefixL = strlen($prefix);
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foreach ($failedKeys as & $key) {
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$key = substr($key, $prefixL);
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}
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return $failedKeys;
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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, & $value)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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$ttl = $options->getTtl();
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if (!apc_add($internalKey, $value, $ttl)) {
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if (apc_exists($internalKey)) {
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return false;
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}
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$type = is_object($value) ? get_class($value) : gettype($value);
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throw new Exception\RuntimeException(
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"apc_add('{$internalKey}', <{$type}>, {$ttl}) failed"
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);
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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 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 & $normalizedKeyValuePairs)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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if ($namespace === '') {
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return array_keys(apc_add($normalizedKeyValuePairs, null, $options->getTtl()));
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}
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$prefix = $namespace . $options->getNamespaceSeparator();
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$internalKeyValuePairs = array();
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foreach ($normalizedKeyValuePairs as $normalizedKey => $value) {
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$internalKey = $prefix . $normalizedKey;
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$internalKeyValuePairs[$internalKey] = $value;
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}
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$failedKeys = apc_add($internalKeyValuePairs, null, $options->getTtl());
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$failedKeys = array_keys($failedKeys);
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// remove prefix
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$prefixL = strlen($prefix);
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foreach ($failedKeys as & $key) {
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$key = substr($key, $prefixL);
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}
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return $failedKeys;
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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, & $value)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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if (!apc_exists($internalKey)) {
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return false;
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}
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$ttl = $options->getTtl();
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if (!apc_store($internalKey, $value, $ttl)) {
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$type = is_object($value) ? get_class($value) : gettype($value);
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throw new Exception\RuntimeException(
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"apc_store('{$internalKey}', <{$type}>, {$ttl}) failed"
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);
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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 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(& $normalizedKey)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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return apc_delete($prefix . $normalizedKey);
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}
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/**
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* Internal method to remove multiple items.
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*
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* @param array $normalizedKeys
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* @return array Array of not removed keys
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* @throws Exception\ExceptionInterface
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*/
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protected function internalRemoveItems(array & $normalizedKeys)
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{
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$options = $this->getOptions();
|
|
$namespace = $options->getNamespace();
|
|
if ($namespace === '') {
|
|
return apc_delete($normalizedKeys);
|
|
}
|
|
|
|
$prefix = $namespace . $options->getNamespaceSeparator();
|
|
$internalKeys = array();
|
|
foreach ($normalizedKeys as $normalizedKey) {
|
|
$internalKeys[] = $prefix . $normalizedKey;
|
|
}
|
|
|
|
$failedKeys = apc_delete($internalKeys);
|
|
|
|
// remove prefix
|
|
$prefixL = strlen($prefix);
|
|
foreach ($failedKeys as & $key) {
|
|
$key = substr($key, $prefixL);
|
|
}
|
|
|
|
return $failedKeys;
|
|
}
|
|
|
|
/**
|
|
* Internal method to increment an item.
|
|
*
|
|
* @param string $normalizedKey
|
|
* @param int $value
|
|
* @return int|bool The new value on success, false on failure
|
|
* @throws Exception\ExceptionInterface
|
|
*/
|
|
protected function internalIncrementItem(& $normalizedKey, & $value)
|
|
{
|
|
$options = $this->getOptions();
|
|
$namespace = $options->getNamespace();
|
|
$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
|
|
$internalKey = $prefix . $normalizedKey;
|
|
$value = (int) $value;
|
|
$newValue = apc_inc($internalKey, $value);
|
|
|
|
// initial value
|
|
if ($newValue === false) {
|
|
$ttl = $options->getTtl();
|
|
$newValue = $value;
|
|
if (!apc_add($internalKey, $newValue, $ttl)) {
|
|
throw new Exception\RuntimeException(
|
|
"apc_add('{$internalKey}', {$newValue}, {$ttl}) failed"
|
|
);
|
|
}
|
|
}
|
|
|
|
return $newValue;
|
|
}
|
|
|
|
/**
|
|
* Internal method to decrement an item.
|
|
*
|
|
* @param string $normalizedKey
|
|
* @param int $value
|
|
* @return int|bool The new value on success, false on failure
|
|
* @throws Exception\ExceptionInterface
|
|
*/
|
|
protected function internalDecrementItem(& $normalizedKey, & $value)
|
|
{
|
|
$options = $this->getOptions();
|
|
$namespace = $options->getNamespace();
|
|
$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
|
|
$internalKey = $prefix . $normalizedKey;
|
|
$value = (int) $value;
|
|
$newValue = apc_dec($internalKey, $value);
|
|
|
|
// initial value
|
|
if ($newValue === false) {
|
|
$ttl = $options->getTtl();
|
|
$newValue = -$value;
|
|
if (!apc_add($internalKey, $newValue, $ttl)) {
|
|
throw new Exception\RuntimeException(
|
|
"apc_add('{$internalKey}', {$newValue}, {$ttl}) failed"
|
|
);
|
|
}
|
|
}
|
|
|
|
return $newValue;
|
|
}
|
|
|
|
/* status */
|
|
|
|
/**
|
|
* Internal method to get capabilities of this adapter
|
|
*
|
|
* @return Capabilities
|
|
*/
|
|
protected function internalGetCapabilities()
|
|
{
|
|
if ($this->capabilities === null) {
|
|
$marker = new stdClass();
|
|
$capabilities = new Capabilities(
|
|
$this,
|
|
$marker,
|
|
array(
|
|
'supportedDatatypes' => array(
|
|
'NULL' => true,
|
|
'boolean' => true,
|
|
'integer' => true,
|
|
'double' => true,
|
|
'string' => true,
|
|
'array' => true,
|
|
'object' => 'object',
|
|
'resource' => false,
|
|
),
|
|
'supportedMetadata' => array(
|
|
'internal_key',
|
|
'atime', 'ctime', 'mtime', 'rtime',
|
|
'size', 'hits', 'ttl',
|
|
),
|
|
'minTtl' => 1,
|
|
'maxTtl' => 0,
|
|
'staticTtl' => true,
|
|
'ttlPrecision' => 1,
|
|
'useRequestTime' => (bool) ini_get('apc.use_request_time'),
|
|
'expiredRead' => false,
|
|
'maxKeyLength' => 5182,
|
|
'namespaceIsPrefix' => true,
|
|
'namespaceSeparator' => $this->getOptions()->getNamespaceSeparator(),
|
|
)
|
|
);
|
|
|
|
// update namespace separator on change option
|
|
$this->getEventManager()->attach('option', function ($event) use ($capabilities, $marker) {
|
|
$params = $event->getParams();
|
|
|
|
if (isset($params['namespace_separator'])) {
|
|
$capabilities->setNamespaceSeparator($marker, $params['namespace_separator']);
|
|
}
|
|
});
|
|
|
|
$this->capabilities = $capabilities;
|
|
$this->capabilityMarker = $marker;
|
|
}
|
|
|
|
return $this->capabilities;
|
|
}
|
|
|
|
/* internal */
|
|
|
|
/**
|
|
* Normalize metadata to work with APC
|
|
*
|
|
* @param array $metadata
|
|
* @return void
|
|
*/
|
|
protected function normalizeMetadata(array & $metadata)
|
|
{
|
|
$apcMetadata = $metadata;
|
|
$metadata = array(
|
|
'internal_key' => isset($metadata['key']) ? $metadata['key'] : $metadata['info'],
|
|
'atime' => isset($metadata['access_time']) ? $metadata['access_time'] : $metadata['atime'],
|
|
'ctime' => isset($metadata['creation_time']) ? $metadata['creation_time'] : $metadata['ctime'],
|
|
'mtime' => isset($metadata['modified_time']) ? $metadata['modified_time'] : $metadata['mtime'],
|
|
'rtime' => isset($metadata['deletion_time']) ? $metadata['deletion_time'] : $metadata['dtime'],
|
|
'size' => $metadata['mem_size'],
|
|
'hits' => isset($metadata['nhits']) ? $metadata['nhits'] : $metadata['num_hits'],
|
|
'ttl' => $metadata['ttl'],
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Internal method to set an item only if token matches
|
|
*
|
|
* @param mixed $token
|
|
* @param string $normalizedKey
|
|
* @param mixed $value
|
|
* @return bool
|
|
* @see getItem()
|
|
* @see setItem()
|
|
*/
|
|
protected function internalCheckAndSetItem(& $token, & $normalizedKey, & $value)
|
|
{
|
|
if (is_int($token) && is_int($value)) {
|
|
return apc_cas($normalizedKey, $token, $value);
|
|
}
|
|
|
|
return parent::internalCheckAndSetItem($token, $normalizedKey, $value);
|
|
}
|
|
}
|