lib/AktiveMerchant/Billing/Gateway.php
protected function urlize($params)
    {
        $string = "";
        foreach ($params as $key => $value) {
            $string .= $key . '=' . urlencode(trim($value)) . '&';
        }
        return rtrim($string, "& ");
    }
protected function urlize($params)
    {
        $string = "";
        foreach ($params as $key => $value) {
            $string .= $key . '=' . urlencode(trim($value)) . '&';
        }
        return rtrim($string, "& ");
    }
protected function urlize ( $ params ) { $ string = "" ; foreach ( $ params as $ key => $ value ) { $ string .= $ key . '=' . urlencode ( trim ( $ value ) ) . '&' ; } return rtrim ( $ string , "& " ) ; }
Convert an associative array to url parameters

@param array key/value hash of parameters

@return string
Convert an associative array to url parameters