Quick spaghetti code for a SOAP connection example

redirection_quick_soap_example.php

<?php
/**
 * This is a really quick SOAP connection example, by no means it should be the
 * definitive way to connect with PHP
 */
header('Content-Type: text/plain');

$client = new SoapClient('http://redirection.dnetix.co/soap/redirect?wsdl');

$login = '';
$tranKey = '';
// Generating a random Nonce
if (function_exists('random_bytes')) {
    $Nonce = bin2hex(random_bytes(16));
} elseif (function_exists('openssl_random_pseudo_bytes')) {
    $Nonce = bin2hex(openssl_random_pseudo_bytes(16));
} else {
    $Nonce = mt_rand();
}
$Created = date('c');
$PasswordDigest = base64_encode(sha1($Nonce . $Created . $tranKey, true));

// Example for a basic request
$RedirectRequest = [
    'locale' => 'es_CO',
    'buyer' => [
        'documentType' => 'CC',
        'document' => '123456789',
        'name' => 'Pedro',
        'surname' => 'Perez',
        'email' => 'pedro.perez@example.com',
        'mobile' => '3218450961'
    ],
    'payment' => [
        'reference' => 'e2622059',
        'description' => 'Pago de prueba',
        'amount' => [
            'currency' => 'COP',
            'total' => '120000',
        ],
        'allowPartial' => 'false'
    ],
    'expiration' => date('c', strtotime('+1 day')),
    'returnUrl' => 'http://www.yoursite.com/needed/return',
    'ipAddress' => '127.0.0.1',
    'userAgent' => isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'CLIENT_USER_AGENT'
];

// Authentication Soap Header Generation
$UsernameToken = new stdClass();
$UsernameToken->Username = new SoapVar($login, XSD_STRING, NULL, 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd', NULL, 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd');
$UsernameToken->Password = new SoapVar($PasswordDigest, XSD_STRING, 'PasswordDigest', NULL, 'Password', 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd');
$UsernameToken->Nonce = new SoapVar(base64_encode($Nonce), XSD_STRING, null, 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd', null, 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd');
$UsernameToken->Created = new SoapVar($Created, XSD_STRING, NULL, 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd', null, 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd');
$security = new stdClass();
$security->UsernameToken = new SoapVar($UsernameToken, SOAP_ENC_OBJECT, NULL, 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd', 'UsernameToken', 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd');
$header = new SoapHeader('http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd', 'Security', $security, true);

// Creating the payment request
$requestId = null;
try {
    $client->__setSoapHeaders($header);
    $response = $client->createRequest([
        'payload' => $RedirectRequest
    ]);
    if ($response) {
        $response = $response->createRequestResult;

        if ($response->status->status == 'OK') {
            // Correct response, store the requestId and redirect the client to the processUrl
						echo "\n-- createRequest Response --\n";
            $requestId = $response->requestId;
            var_dump($response);
        } else {
            // Something went wrong, check the status->message to verify
            var_dump($response);
        }

    } else {
        // Error al conectar
    }
} catch (Exception $e) {
    echo "Error on createRequest\n";
    var_dump($e->getMessage());
}

// Only if the createRequest worked this is called, but you can call this method with all of
// that requestId generated by your site
if($requestId) {
    try {
        $client->__setSoapHeaders($header);
        $response = $client->getRequestInformation([
            'requestId' => $requestId
        ]);
        if ($response) {
            $response = $response->getRequestInformationResult;

            if ($response->status->status == 'OK') {
                // Correct response
								echo "\n-- getRequestInformation Response --\n";
                var_dump($response);
            } else {
                // Something went wrong, check the status->message to verify
                var_dump($response);
            }

        } else {
            // Error al conectar
        }
    } catch (Exception $e) {
        echo "Error on getRequestInformation\n";
        var_dump($e->getMessage());
    }
}