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104 lines
2.1 KiB
PHP
104 lines
2.1 KiB
PHP
<?php
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/*
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* This file is part of MailSo.
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*
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* (c) 2014 Usenko Timur
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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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namespace MailSo\Cache\Drivers;
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/**
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* @category MailSo
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* @package Cache
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* @subpackage Drivers
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*/
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class Memcache implements \MailSo\Cache\DriverInterface
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{
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/**
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* @var string
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*/
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private $sHost;
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/**
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* @var int
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*/
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private $iPost;
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/**
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* @var int
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*/
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private $iExpire;
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/**
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* @var \Memcache|null
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*/
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private $oMem;
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/**
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* @var string
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*/
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private $sKeyPrefix;
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private function __construct(string $sHost = '127.0.0.1', int $iPost = 11211, int $iExpire = 43200, string $sKeyPrefix = '')
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{
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$this->sHost = $sHost;
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$this->iPost = $iPost;
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$this->iExpire = 0 < $iExpire ? $iExpire : 43200;
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$this->oMem = new \Memcache();
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if (!$this->oMem->connect($this->sHost, $this->iPost))
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{
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$this->oMem = null;
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}
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$this->sKeyPrefix = $sKeyPrefix;
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if (!empty($this->sKeyPrefix))
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{
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$this->sKeyPrefix =
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\preg_replace('/[^a-zA-Z0-9_]/', '_', rtrim(trim($this->sKeyPrefix), '\\/')).'/';
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}
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}
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public static function NewInstance(string $sHost = '127.0.0.1', int $iPost = 11211, int $iExpire = 43200, string $sKeyPrefix = '') : self
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{
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return new self($sHost, $iPost, $iExpire, $sKeyPrefix);
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}
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public function Set(string $sKey, string $sValue) : bool
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{
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return $this->oMem ? $this->oMem->set($this->generateCachedKey($sKey), $sValue, 0, $this->iExpire) : false;
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}
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public function Get(string $sKey) : string
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{
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$sValue = $this->oMem ? $this->oMem->get($this->generateCachedKey($sKey)) : '';
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return \is_string($sValue) ? $sValue : '';
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}
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public function Delete(string $sKey) : void
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{
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if ($this->oMem)
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{
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$this->oMem->delete($this->generateCachedKey($sKey));
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}
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}
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public function GC(int $iTimeToClearInHours = 24) : bool
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{
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if (0 === $iTimeToClearInHours && $this->oMem)
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{
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return $this->oMem->flush();
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}
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return false;
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}
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private function generateCachedKey(string $sKey) : string
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{
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return $this->sKeyPrefix.\sha1($sKey);
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}
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}
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