public function unban($channel, $hostmask, $priority = SMARTIRC_MEDIUM)
    {
        return $this->mode($channel, '-b '.$hostmask, $priority);
    }
public function unban($channel, $hostmask, $priority = SMARTIRC_MEDIUM)
    {
        return $this->mode($channel, '-b '.$hostmask, $priority);
    }
public function unban ( $ channel , $ hostmask , $ priority = SMARTIRC_MEDIUM ) { return $ this -> mode ( $ channel , '-b ' . $ hostmask , $ priority ) ; }
unbans a hostmask on the given channel

@param string $channel
@param string $hostmask
@param integer $priority message priority, default is SMARTIRC_MEDIUM
@return Net_SmartIRC
@api
unbans a hostmask on the given channel