public static function getTypeName($type)
	{
		static $ref = [];
		
		$key = static::class;
		
		if(empty($ref[$key]))
		{
			$ref[$key] = new \ReflectionClass($key);
		}
		
		foreach($ref[$key]->getConstants() as $k => $v)
		{
			if($v === $type && strpos($k, 'T_') === 0)
			{
				return $k;
			}
		}

		return static::UNKNOWN;
	}