friendica/src/Core/Cache/AbstractCacheDriver.php

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<?php
namespace Friendica\Core\Cache;
use Friendica\BaseObject;
/**
* Abstract class for common used functions
*
* Class AbstractCacheDriver
*
* @package Friendica\Core\Cache
*/
abstract class AbstractCacheDriver extends BaseObject
{
/**
* @param string $key The original key
* @return string The cache key used for the cache
*/
protected function getCacheKey($key) {
// We fetch with the hostname as key to avoid problems with other applications
return self::getApp()->get_hostname() . ":" . $key;
}
}