}';
$xml_send = '
<request>
<language>es</language>
<command>GET_BANKS_LIST</command>
<merchant>
<apiLogin>' . $keysPayu['apiLogin'] . '</apiLogin>
<apiKey>' . $keysPayu['apiKey'] . '</apiKey>
</merchant>
<isTest></isTest>
<bankListInformation>
<paymentMethod>PSE</paymentMethod>
<paymentCountry>CO</paymentCountry>
</bankListInformation>
</request>';
$bancos = array();
//print_r($js_send);
// $arrayBanck=$conf->sendJson($js_send);
$arrayBanck = $conf->sendXml($xml_send);
/*echo "<pre>";
print_r($arrayBanck);
*/
//[bankListResponse] => Array ( [code] => SUCCESS [banks] => Array ( [0] => Array ( [bank] => Array ( 0 .. n
$bancos = $arrayBanck['bankListResponse']['banks'][0]['bank'];
$str_bancos = null;
foreach ($bancos as $row) {
    //$str_cities .= '<option value="'. $row['id_city'] .'">'. $row['city_name'] . '</option>';
    $str_bancos .= '<option value="' . $row['pseCode'] . '">' . $row['description'] . '</option>';
}
$array_result = array('results' => $str_bancos);
echo json_encode($array_result);