http.php

<?php
 
namespace Bitrix\Sale\Helpers\Rest;
 
use Bitrix\Main;
use Bitrix\Main\Web\HttpClient;
use Bitrix\Main\Web\Json;
use Bitrix\Sale;
 
class Http
{
    public static function sendRequest(string $url, array $params, array $options = []): Sale\Result
    {
        $result = new Sale\Result();
 
        $httpClientOptions = [];
        if (array_key_exists('HTTP_CLIENT_OPTIONS', $options) && is_array($options['HTTP_CLIENT_OPTIONS']))
        {
            $httpClientOptions = $options['HTTP_CLIENT_OPTIONS'];
        }
 
        $httpClient = new HttpClient($httpClientOptions);
 
        $isJsonRequest = isset($options['JSON_REQUEST']) && $options['JSON_REQUEST'] === true;
 
        if ($isJsonRequest)
        {
            $httpClient->setHeader('Content-Type', 'application/json');
        }
 
        $response = $httpClient->post(
            $url,
            $isJsonRequest ? Json::encode($params) : $params
        );
        if ($response === false)
        {
            $errors = $httpClient->getError();
            foreach ($errors as $code => $message)
            {
                $result->addError(new Main\Error($message, $code));
            }
 
            return $result;
        }
 
        $httpStatus = $httpClient->getStatus();
        if ($httpStatus === 200)
        {
            try
            {
                $response = Json::decode($response);
                $response = array_change_key_case($response, CASE_UPPER);
                $response = Main\Text\Encoding::convertEncoding($response, 'UTF-8', LANG_CHARSET);
            }
            catch (Main\ArgumentException $exception)
            {
                $response = [];
                $result->addError(
                    new Main\Error('Response decoding error', 'RESPONSE_DECODING_ERROR')
                );
            }
 
            $result->setData($response);
        }
 
        return $result;
    }
}