src/LinguaLeo/Cache/Decorator/HotCacheDecorator.php
public function mdelete(array $keys)
    {
        foreach ($keys as $k) {
            unset($this->hot[$k]);
        }
        return $this->cache->mdelete($keys);
    }
public function mdelete(array $keys)
    {
        foreach ($keys as $k) {
            unset($this->hot[$k]);
        }
        return $this->cache->mdelete($keys);
    }
{@inheritdoc}