add_option_whitelist( array $new_options, string|array $options = '' )

function add_option_whitelist( $new_options, $options = '' ) {
	if ( $options == '' )
		global $whitelist_options;
	else
		$whitelist_options = $options;

	foreach ( $new_options as $page => $keys ) {
		foreach ( $keys as $key ) {
			if ( !isset($whitelist_options[ $page ]) || !is_array($whitelist_options[ $page ]) ) {
				$whitelist_options[ $page ] = array();
				$whitelist_options[ $page ][] = $key;
			} else {
				$pos = array_search( $key, $whitelist_options[ $page ] );
				if ( $pos === false )
					$whitelist_options[ $page ][] = $key;
			}
		}
	}

	return $whitelist_options;
}