134 lines
2.3 KiB
PHP
134 lines
2.3 KiB
PHP
<?php
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/**
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* Banker
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*
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* A Caching library implementing psr/cache
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*
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* PHP version 5.6
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*
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* @package Banker
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* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2016 Timothy J. Warren
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version 1.0.0
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* @link https://git.timshomepage.net/timw4mail/banker
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*/
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namespace Aviat\Banker\Driver;
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use Aviat\Banker\Exception\CacheException;
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use Memcached;
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use MemcachedException;
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/**
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* Memcached cache backend
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*/
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class MemcachedDriver extends Driver {
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/**
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* Driver for PHP Memcache extension
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*
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* @param array $config
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* @throws CacheException
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*/
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public function __construct(array $config = [])
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{
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if ( ! class_exists('Memcached'))
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{
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throw new CacheException("Memcached driver requires memcached extensions");
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}
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$this->conn = new Memcached();
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$this->conn->addServer($config['host'], $config['port']);
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}
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/**
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* Disconnect from memcached server
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*/
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public function __destruct()
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{
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$this->conn->quit();
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}
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/**
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* See if a key currently exists in the cache
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*
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* @param string $key
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* @return bool
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*/
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public function exists($key)
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{
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return $this->conn->get($key) !== FALSE;
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}
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/**
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* Get the value for the selected cache key
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*
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* @param string $key
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* @return mixed
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*/
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public function get($key)
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{
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return $this->conn->get($key);
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}
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/**
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* Retrieve a set of values by their cache key
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*
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* @param string[] $keys
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* @return array
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*/
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public function getMultiple(array $keys = [])
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{
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return $this->conn->getMulti($keys);
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}
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/**
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* Set a cached value
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*
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* @param string $key
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* @param mixed $value
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* @param int $expires
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* @return DriverInterface
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*/
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public function set($key, $value, $expires = 0)
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{
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$this->conn->set($key, $value, $expires);
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return $this;
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}
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/**
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* Remove an item from the cache
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*
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* @param string $key
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* @return boolean
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*/
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public function delete($key)
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{
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return $this->conn->delete($key);
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}
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/**
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* Remove multiple items from the cache
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*
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* @param string[] $keys
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* @return boolean
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*/
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public function deleteMultiple(array $keys = [])
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{
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return $this->conn->deleteMulti($keys);
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}
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/**
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* Empty the cache
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*
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* @return boolean
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*/
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public function flush()
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{
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return $this->conn->flush();
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}
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}
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