151 lines
3.3 KiB
PHP
151 lines
3.3 KiB
PHP
<?php
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <admin@codeigniter.com>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace CodeIgniter\Cache\Handlers;
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use CodeIgniter\I18n\Time;
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use Config\Cache;
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use Exception;
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/**
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* Cache handler for WinCache from Microsoft & IIS.
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*
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* @codeCoverageIgnore
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*/
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class WincacheHandler extends BaseHandler
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{
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/**
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* Note: Use `CacheFactory::getHandler()` to instantiate.
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*/
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public function __construct(Cache $config)
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{
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$this->prefix = $config->prefix;
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}
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/**
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* {@inheritDoc}
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*/
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public function initialize()
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{
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}
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/**
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* {@inheritDoc}
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*/
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public function get(string $key)
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{
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$key = static::validateKey($key, $this->prefix);
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$success = false;
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$data = wincache_ucache_get($key, $success);
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// Success returned by reference from wincache_ucache_get()
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return $success ? $data : null;
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}
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/**
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* {@inheritDoc}
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*/
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public function save(string $key, $value, int $ttl = 60)
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{
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$key = static::validateKey($key, $this->prefix);
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return wincache_ucache_set($key, $value, $ttl);
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}
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/**
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* {@inheritDoc}
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*/
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public function delete(string $key)
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{
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$key = static::validateKey($key, $this->prefix);
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return wincache_ucache_delete($key);
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}
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/**
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* {@inheritDoc}
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*
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* @return never
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*/
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public function deleteMatching(string $pattern)
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{
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throw new Exception('The deleteMatching method is not implemented for Wincache. You must select File, Redis or Predis handlers to use it.');
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}
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/**
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* {@inheritDoc}
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*/
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public function increment(string $key, int $offset = 1)
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{
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$key = static::validateKey($key, $this->prefix);
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return wincache_ucache_inc($key, $offset);
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}
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/**
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* {@inheritDoc}
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*/
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public function decrement(string $key, int $offset = 1)
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{
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$key = static::validateKey($key, $this->prefix);
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return wincache_ucache_dec($key, $offset);
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}
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/**
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* {@inheritDoc}
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*/
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public function clean()
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{
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return wincache_ucache_clear();
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}
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/**
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* {@inheritDoc}
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*/
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public function getCacheInfo()
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{
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return wincache_ucache_info(true);
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}
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/**
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* {@inheritDoc}
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*/
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public function getMetaData(string $key)
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{
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$key = static::validateKey($key, $this->prefix);
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if ($stored = wincache_ucache_info(false, $key)) {
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$age = $stored['ucache_entries'][1]['age_seconds'];
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$ttl = $stored['ucache_entries'][1]['ttl_seconds'];
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$hitcount = $stored['ucache_entries'][1]['hitcount'];
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return [
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'expire' => $ttl > 0 ? Time::now()->getTimestamp() + $ttl : null,
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'hitcount' => $hitcount,
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'age' => $age,
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'ttl' => $ttl,
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];
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}
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return false; // @TODO This will return null in a future release
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}
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/**
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* {@inheritDoc}
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*/
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public function isSupported(): bool
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{
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return extension_loaded('wincache') && ini_get('wincache.ucenabled');
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}
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}
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