streams/mod/toggle_safesearch.php

<?php

function toggle_safesearch_init(&$a) {

$observer = get_observer_hash();
if (! $observer)
	return;

if($observer) 
	$safe_mode = get_xconfig($observer,'directory','safe_mode');
if ($safe_mode == '')
	set_xconfig($observer,'directory','safe_mode', '0');
elseif($safe_mode == '0')
	set_xconfig($observer,'directory','safe_mode', '1');
elseif($safe_mode == '1')
	set_xconfig($observer,'directory','safe_mode', '0');

if(isset($_GET['address']))
	$address = $_GET['address'];
else
	$address = z_root() . '/directory';

	goaway($address);
}