function safe_convert($string, $html=0) { //Words Filter
    if ($html==0) {
        $string=htmlspecialchars($string, ENT_QUOTES);
        $string=str_replace("<","<",$string);
        $string=str_replace(">",">",$string);
        $string=str_replace("\\", '\', $string);
    } else {
        $string=addslashes($string);
        $string=str_replace("\\\\", '\', $string);
    }
    $string=str_replace("\r","<br/>",$string);