index.php

См. документацию.

<?php
const NO_AGENT_CHECK = true;
const NO_AGENT_STATISTIC = true;
const NOT_CHECK_PERMISSIONS = true;
 
require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php");
 
use Bitrix\Main\Localization\Loc;
Loc::loadMessages(__FILE__);
 
$arResult = array();
 
if (!\Bitrix\Main\Loader::includeModule('sale'))
    $arResult["ERROR"] = Loc::getMessage("SALE_SRV_LOCATION_CANT_INCLUDE_MODULE");
 
if(!isset($arResult["ERROR"]) && check_bitrix_sessid())
{
    $action = isset($_REQUEST['action']) ? trim($_REQUEST['action']): '';
    $lang = isset($_REQUEST['lang']) ? $_REQUEST['lang']: LANGUAGE_ID;
    $countryIds = isset($_REQUEST['countryIds']) ? $_REQUEST['countryIds']: array();
 
    switch ($action)
    {
        case "getRegionList":
 
            $arResult["DATA"] = \Bitrix\Sale\SalesZone::getRegions($countryIds, $lang);
 
            break;
 
        case "getCityList":
 
            $regionIds = isset($_REQUEST['regionIds']) && is_array($_REQUEST['regionIds'])? $_REQUEST['regionIds']: array();
 
            $arResult["DATA"] = \Bitrix\Sale\SalesZone::getCities($countryIds, $regionIds, $lang);
            break;
    }
}
else
{
    if(!isset($arResult["ERROR"]))
        $arResult["ERROR"] = Loc::getMessage("SALE_SRV_LOCATION_ACCESS_DENIED");
}
 
if(isset($arResult["ERROR"]))
    $arResult["RESULT"] = "ERROR";
else
    $arResult["RESULT"] = "OK";
 
header('Content-Type: application/json');
echo json_encode($arResult);
 
require($_SERVER["DOCUMENT_ROOT"].BX_ROOT."/modules/main/include/epilog_after.php");