public function prependOutput($str)
    {
        if (!isset($this->bev)) {
            return false;
        }
        return $this->bev->output->prepend($str);
    }
public function prependOutput($str)
    {
        if (!isset($this->bev)) {
            return false;
        }
        return $this->bev->output->prepend($str);
    }
public function prependOutput ( $ str ) { if ( ! isset ( $ this -> bev ) ) { return false ; } return $ this -> bev -> output -> prepend ( $ str ) ; }
Prepends data to output buffer
@param  string $str Data
@return boolean      Success
Prepends data to output buffer