function cleanInput($input) {
$search = array(
'@<script[^>]*?>.*?</script>@si', // Strip out javascript
'@<[\/\!]*?[^<>]*?>@si', // Strip out HTML tags
'@<style[^>]*?>.*?</style>@siU', // Strip style tags properly
'@<![\s\S]*?--[ \t\n\r]*>@' // Strip multi-line comments
);
$output = preg_replace($search, '', $input);
return $output;
}

function sanitize($input) {
connectDB();
if (is_array($input)) {
foreach($input as $var=>$val) {
$output[$var] = sanitize($val);
}
}
else {
if (get_magic_quotes_gpc()) {
$input = stripslashes($input);
}
$input = cleanInput($input);
$output = mysqli_real_escape_string ( $_SESSION['db'] , $input );
//$output = mysql_real_escape_string($input);
}
closeDB();
return $output;
}