Retrieve a specific proposal version

Overview

Use the getProposalVersion method via SOAP API 6.0 to retrieve a specific proposal version.

Request Parameters

Request Sample

<?php
declare(strict_types=1);

class Configuration
{
    public const MERCHANT_CODE = '';
    public const MERCHANT_KEY = '';
    public const URL = 'http://api.2checkout.com/soap/6.0';
    public const ACTION = 'getProposalVersion';
    public const ADDITIONAL_OPTIONS = null;
    public const PROPOSAL_ID = "7ee02473-b60a-415b-90ae-87c6c443f684";
    public const PROPOSAL_VERSION = 3;
    //array or JSON
    public const PAYLOAD = <<<JSON
    {
    }
JSON;
}

class Client
{
    public function call(
        string $url = Configuration::URL,
        $payload = Configuration::PAYLOAD,
        string $action = Configuration::ACTION,
        string $proposalId = Configuration::PROPOSAL_ID,
        int $proposalVersion = Configuration::PROPOSAL_VERSION
    ): ?object {
        if (is_array($payload)) {
            $payload = json_encode($payload);
        }
        if (!empty($payload)) {
            // SoapClient works with objects(StdClass)
            $payload = json_decode($payload);
        }

        $soapClient = $this->getClient($url);
        $sessionId = $this->getSession($soapClient);
        $args = array_filter([$sessionId, $proposalId, $proposalVersion]);

        return $soapClient->$action(...$args);
    }

    public function getClient(string $url): SoapClient
    {
        return new SoapClient(
            $url.'?wsdl',
            [
                'location' => $url,
                'cache_wsdl' => WSDL_CACHE_NONE,
            ]
        );
    }

    public function getSession(SoapClient $client)
    {
        $date = gmdate('Y-m-d H:i:s');
        $merchantCode = Configuration::MERCHANT_CODE;
        $key = Configuration::MERCHANT_KEY;
        $string = strlen($merchantCode).$merchantCode.strlen($date).$date;
        $hash = hash_hmac('md5', $string, $key);
        $client->__setCookie('XDEBUG_SESSION', 'PHPSTORM');

        return $client->login($merchantCode, $date, $hash);
    }
}

try {
    $client = new Client();
    var_dump($client->call());
} catch (Exception $ex) {
    var_dump($ex);
}

Response

The getProposalVersion call via SOAP API 6.0 returns the Proposal object.