/**
* Create a new cache item
*
* @param $key
* @param null $value
* @param null $ttl
*
* @return CacheItem
*/
public function createItem($key, $value = null, $ttl = null)
{
$item = new CacheItem($this, $key);
if ($value !== null) {
$item->set($value, $ttl);
}
return $item;
}
