Create percentage discount

Overview

Use setPromotionDiscount via SOAP API 4.0 to set a percentage-based promotion discount.

Parameters

Response

Request

<?php 

class Client
{
    protected static $merchantCode;
    protected static $loginDate;
    protected static $hash;
    protected static $baseUrl;
    protected static $callCount = 0;
    protected static $sessionId = '';

    protected static $client;

    public static function setCredentials($code, $key)
    {
        static::$merchantCode = $code;
        static::$loginDate = gmdate('Y-m-d H:i:s');
        static::$hash = hash_hmac('md5', strlen($code) . $code . strlen(static::$loginDate) . static::$loginDate, $key);
        static::$sessionId = static::login();
    }

    public static function setBaseUrl($url)
    {
        static::$baseUrl = $url;
    }

    public static function login()
    {
        $client = static::getClient();
        return $client->login(static::$merchantCode, static::$loginDate, static::$hash);
    }

    public static function __callStatic($name, $arguments = array())
    {
        $client = static::getClient();

        array_unshift($arguments, static::$sessionId);
        $response = call_user_func_array(array($client, $name), $arguments);

        return $response;
    }

    protected static function getClient()
    {
        $opts = array(
            'http'=> ['user_agent' => 'PHPSoapClient'],
            'ssl' => [
                'verify_peer' => false,
                'verify_peer_name' => false,
            ],
        );

        if (null === static::$client) {
            static::$client = new \SoapClient(static::$baseUrl . '?wsdl', [
                'location' => static::$baseUrl,
                'cache_wsdl' => WSDL_CACHE_NONE,
                'stream_context' => stream_context_create($opts),
            ]);
        }

        return static::$client;
    }
}

Client::setBaseUrl('https://api.avangate.com/soap/3.1/');
Client::setCredentials('YOUR_MERCHANT_CODE', 'YOUR_SECRET_KEY');
Client::login();

// create discount object
$discountObj = new stdClass;
$discountObj->Type = 'PERCENT';
$discountObj->Value = 30;

$promotionCode = 'YOUR_PROMO_CODE'; // code of the promotion that you want to update
$response = Client::setPromotionDiscount($promotionCode,$discountObj); // Set the promotion discount to the existing promotion
var_dump($response);