Spotlight::getUserTypes

static function getUserTypes()
{
	static $types = null;
	if ($types !== null)
	{
		return $types;
	}

	$types = array();
	$refClass = new ReflectionClass(__CLASS__);
	foreach ($refClass->getConstants() as $name => $value)
	{
		if (mb_substr($name, 0, 9) === "USER_TYPE")
		{
			$types[] = $value;
		}
	}

	return $types;
}