Viewing file:  WincacheHandler.php (3.14 KB) -rw-r--r--
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<?php
/**
* This file is part of CodeIgniter 4 framework.
*
* (c) CodeIgniter Foundation <admin@codeigniter.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace CodeIgniter\Cache\Handlers;
use Config\Cache;
use Exception;
/**
* Cache handler for WinCache from Microsoft & IIS.
*
* @codeCoverageIgnore
*/
class WincacheHandler extends BaseHandler
{
public function __construct(Cache $config)
{
$this->prefix = $config->prefix;
}
/**
* {@inheritDoc}
*/
public function initialize()
{
}
/**
* {@inheritDoc}
*/
public function get(string $key)
{
$key = static::validateKey($key, $this->prefix);
$success = false;
$data = wincache_ucache_get($key, $success);
// Success returned by reference from wincache_ucache_get()
return $success ? $data : null;
}
/**
* {@inheritDoc}
*/
public function save(string $key, $value, int $ttl = 60)
{
$key = static::validateKey($key, $this->prefix);
return wincache_ucache_set($key, $value, $ttl);
}
/**
* {@inheritDoc}
*/
public function delete(string $key)
{
$key = static::validateKey($key, $this->prefix);
return wincache_ucache_delete($key);
}
/**
* {@inheritDoc}
*/
public function deleteMatching(string $pattern)
{
throw new Exception('The deleteMatching method is not implemented for Wincache. You must select File, Redis or Predis handlers to use it.');
}
/**
* {@inheritDoc}
*/
public function increment(string $key, int $offset = 1)
{
$key = static::validateKey($key, $this->prefix);
return wincache_ucache_inc($key, $offset);
}
/**
* {@inheritDoc}
*/
public function decrement(string $key, int $offset = 1)
{
$key = static::validateKey($key, $this->prefix);
return wincache_ucache_dec($key, $offset);
}
/**
* {@inheritDoc}
*/
public function clean()
{
return wincache_ucache_clear();
}
/**
* {@inheritDoc}
*/
public function getCacheInfo()
{
return wincache_ucache_info(true);
}
/**
* {@inheritDoc}
*/
public function getMetaData(string $key)
{
$key = static::validateKey($key, $this->prefix);
if ($stored = wincache_ucache_info(false, $key)) {
$age = $stored['ucache_entries'][1]['age_seconds'];
$ttl = $stored['ucache_entries'][1]['ttl_seconds'];
$hitcount = $stored['ucache_entries'][1]['hitcount'];
return [
'expire' => $ttl > 0 ? time() + $ttl : null,
'hitcount' => $hitcount,
'age' => $age,
'ttl' => $ttl,
];
}
return false; // @TODO This will return null in a future release
}
/**
* {@inheritDoc}
*/
public function isSupported(): bool
{
return extension_loaded('wincache') && ini_get('wincache.ucenabled');
}
}
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