class privacy {
	
	/*	[+++++ PRIVACY OPTIONS ++++++]
	 *
	 *  Options and Their Numerical Place in the Binary Stream
	 *	Limits and Effect on MySQL
	 *	BIGINT	(MySQL Datatype)	Allows for 64 Options
	 *	INT 	(MySQL DataType)	Allows 32 Options
	 */
	private static $options = array(
		1		=>	array('cn','profile'),
		2		=>	array('cn','profile'),
		4		=>	array('cn','blog'),
		8		=>	array('cn','portfolio'),
		16		=>	array('cn','friends'),
		32		=>	array('friends','profile'),
		64		=>	array('friends','blog'),
		128		=>	array('friends','portfolio'),
		256		=>	array('friends','friends'),
		512		=>	array('members','profile'),
		1024	=>	array('members','blog'),
		2048	=>	array('members','portfolio'),
		4096	=>	array('members','friends'),
		8192	=>	array('guests','profile'),
		16384	=>	array('guests','blog'),
		32768	=>	array('guests','portfolio'),
		65536	=>	array('guests','friends')
	);
	
	/*	int	serialize
	 *
	 *	Checks array of keys for whether an option is on or off and create a numerical INT value for them.
	 *
	 *	array	$input
	 */
	function serialize($input) {
		$sum = 0;
		while (list($key,$val) = each(self::$options)) {
			echo 1;
			if($input[$val[0]][$val[1]] == '1') {
				$sum += $key;
			}
		}
		return $sum;
	}
	/*	array	unserialize
	 *
	 *	Outputs an associative array of options on or off depending on an int
	 *
	 *	int	$int
	 */
	function unserialize($int) {
		$total = intval($int);
		while (list($key,$val) = each(self::$options)) {
			if($key <= $total) {
				$output[$val[0]][$val[1]] = 1;
				$total = ($total - $key);
			}
		}
		return $output;
	}
}