require_once($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/prolog_before.php'); global $USER; $userData = CUser::GetByLogin("john_doe"); // replace with actual login name if ($arUser = $userData->Fetch()) { echo "User ID: " . $arUser["ID"] . "
"; echo "User name: " . $arUser["NAME"] . "
"; echo "User email: " . $arUser["EMAIL"] . "
"; }
require_once($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/prolog_before.php'); global $USER; $userData = CUser::GetByLogin("jane_smith"); // replace with actual login name if ($arUser = $userData->Fetch()) { $USER->Authorize($arUser["ID"]); header("Location: /home.php"); // redirect to home page }In this example, the code fetches user data by the login name "jane_smith" and authorizes them if found, redirecting them to the home page. PHP CUser GetByLogin is a method provided by the Bitrix CMS package library, which is a popular CMS for building websites and online stores.