OpenPGP_Packet::__construct PHP Method

    function __construct($data = NULL)
    {
        $this->tag = array_search(substr(substr(get_class($this), 8), 0, -6), self::$tags);
        $this->data = $data;
    }

 function __construct($sha1 = '')
 {
     parent::__construct();
     $this->data = $sha1;
 }