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<?php
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/**
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* This file is part of the O2System Framework package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System\Cache\Adapters\Memcached;
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// ------------------------------------------------------------------------
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use O2System\Cache\Abstracts\AbstractAdapter;
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use O2System\Cache\DataStructures\Config;
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use O2System\Spl\Exceptions\Logic\BadFunctionCall\BadMethodCallException;
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/**
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* Class Adapter
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*
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* @package O2System\Cache\Adapters\File
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*/
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abstract class Adapter extends AbstractAdapter
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{
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/**
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* Adapter::$platform
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*
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* Adapter Platform Name
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*
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* @var string
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*/
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protected $platform = 'Memcached';
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// ------------------------------------------------------------------------
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/**
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* Adapter::$memchached
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*
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* Memcached Instance
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*
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* @var \Memcached
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*/
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protected $memcached;
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// ------------------------------------------------------------------------
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/**
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* AbstractAdapter::__construct
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*
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* @param Config|NULL $config
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*
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* @return Adapter
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*/
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public function __construct(Config $config = null)
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{
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if (isset($config)) {
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if ($this->isSupported()) {
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$this->connect($config->getArrayCopy());
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if ($config->offsetExists('prefixKey')) {
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$this->setPrefixKey($config->prefixKey);
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}
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}
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} elseif ($this->isSupported()) {
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$this->connect([]);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::isSupported
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*
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* Checks if this adapter is supported on this system.
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*
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* @return bool Returns FALSE if not supported.
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*/
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public function isSupported()
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{
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return (bool)(extension_loaded('memcached') && class_exists('Memcached', false));
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::connect
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*
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* @param array $config Cache adapter connection configuration.
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*
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* @return void
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*/
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public function connect(array $config)
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{
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$this->memcached = new \Memcached();
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$this->memcached->setOption(\Memcached::OPT_BINARY_PROTOCOL, false);
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if (empty($config)) {
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$this->config = [
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'host' => '127.0.0.1',
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'port' => 11211,
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'weight' => 1,
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];
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$this->memcached->addserver($this->config[ 'host' ], $this->config[ 'port' ]);
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} elseif (isset($config[ 'servers' ])) {
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foreach ($config[ 'servers' ] as $server) {
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$this->config[ $server[ 'host' ] ] = array_merge(
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[
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'host' => '127.0.0.1',
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'port' => 11211,
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'weight' => 1,
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],
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$server
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);
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if (array_key_exists('status', $server)) {
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if ($server[ 'status' ] === false) {
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$this->config[ $server[ 'host' ] ][ 'retryInterval' ] = -1;
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$this->memcached->addserver(
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$this->config[ $server[ 'host' ] ][ 'host' ],
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$this->config[ $server[ 'host' ] ][ 'port' ],
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$this->config[ $server[ 'host' ] ][ 'weight' ]
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);
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continue;
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}
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}
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$this->memcached->addserver(
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$this->config[ $server[ 'host' ] ][ 'host' ],
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$this->config[ $server[ 'host' ] ][ 'port' ],
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$this->config[ $server[ 'host' ] ][ 'weight' ]
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);
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}
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} else {
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$this->config = array_merge(
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[
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'host' => '127.0.0.1',
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'port' => 11211,
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'weight' => 1,
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],
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$config
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);
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if (isset($this->config[ 'status' ])) {
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if ($this->config[ 'status' ] === false) {
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$this->memcached->addserver(
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$this->config[ 'host' ],
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$this->config[ 'port' ],
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$this->config[ 'weight' ]
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);
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} else {
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$this->memcached->addserver(
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$this->config[ 'host' ],
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$this->config[ 'port' ],
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$this->config[ 'weight' ]
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);
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}
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} else {
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$this->memcached->addserver(
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$this->config[ 'host' ],
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$this->config[ 'port' ],
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$this->config[ 'weight' ]
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);
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}
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::isConnected
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*
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* Checks if this adapter has a successful connection.
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*
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* @return bool Returns FALSE if not supported.
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*/
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public function isConnected()
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{
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return (bool)($this->memcached instanceof \Memcached);
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}
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/**
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* Adapter::__call
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*
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* @param string $method Memcache Adapter Class / Memcache Class / Memcache ItemPool Class method name.
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* @param array $arguments Method arguments.
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*
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* @return mixed
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* @throws \O2System\Spl\Exceptions\Logic\BadFunctionCall\BadMethodCallException
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*/
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public function __call($method, array $arguments = [])
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{
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if (method_exists($this, $method)) {
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return call_user_func_array([&$this, $method], $arguments);
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} elseif ($this->memcached instanceof \Memcache AND method_exists($this->memcached, $method)) {
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return call_user_func_array([&$this->memcached, $method], $arguments);
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}
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throw new BadMethodCallException('E_BAD_METHOD_CALL_CACHE_EXCEPTION', 0, [__CLASS__ . '::' . $method]);
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::increment
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*
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* Increment a raw value offset.
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*
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* @param string $key Cache item key.
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* @param int $step Increment step to add.
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*
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* @return mixed New value on success or FALSE on failure.
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*/
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public function increment($key, $step = 1)
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{
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return $this->memcached->increment($this->prefixKey . $key, $step);
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::decrement
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*
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* Decrement a raw value offset.
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*
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* @param string $key Cache item key.
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* @param int $step Decrement step to add.
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*
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* @return mixed New value on success or FALSE on failure.
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*/
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public function decrement($key, $step = 1)
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{
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return $this->memcached->decrement($this->prefixKey . $key, $step);
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::getInfo
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*
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* Gets item pool adapter info.
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*
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* @return mixed
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*/
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public function getInfo()
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{
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return [
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'version' => $this->memcached->getVersion(),
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'servers' => $this->memcached->getServerList(),
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];
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::getInfo
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*
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* Gets item pool adapter stats.
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*
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* @return mixed
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*/
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public function getStats()
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{
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return $this->memcached->getStats();
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}
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} |
o2system /
cache
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