SteamGenerateMobileAuthPHP Generate Steam Mobile Auth (2FA) Code using PHP. Installation require_once './api/AuthFunctions.php' Usage Instantiate a steam auth.. $SteamAuth = new SteamAuth; ...generating 2FA Code: $SteamAuth->GenerateSteamGuardCode("Shared Secret Key"); Proof https://youtu.be/umoMBn_UTqg