public function delete($fileName)
    {
        $path = $this->getPathBase($fileName);

        if (!file_exists($path)) {
            return;
        }

        return unlink($path);
    }
public function delete($fileName)
    {
        $path = $this->getPathBase($fileName);

        if (!file_exists($path)) {
            return;
        }

        return unlink($path);
    }
public function delete ( $ fileName ) { $ path = $ this -> getPathBase ( $ fileName ) ; if ( ! file_exists ( $ path ) ) { return ; } return unlink ( $ path ) ; }
removes the file from the cache
@param  string $key
@return bool
removes the file from the cache