/**
* Get a cache_id string from an id/group pair
*
* @param string $id The cache data id
* @param string $group The cache data group
*
* @return string The cache_id string
*
* @since 11.1
*/
protected function _getCacheId($id, $group)
{
$prefix = JCache::getPlatformPrefix();
$length = strlen($prefix);
$cache_id = parent::_getCacheId($id, $group);
if ($length) {
// Memcache use suffix instead of prefix
$cache_id = substr($cache_id, $length) . strrev($prefix);
}
return $cache_id;
}