Utils::saveSettings

static function saveSettings(array $settings)
{
	static $internal = true;

	$result = new PublicActionResult();
	$result->setResult(true);
	$allowedKeys = ['google_images_key'];

	foreach ($settings as $key => $value)
	{
		if (in_array($key, $allowedKeys))
		{
			BitrixMainConfigOption::set('landing', $key, $value);
		}
	}

	return $result;
}