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);
    $string=str_replace("/n","",$string);
    $string=str_replace("/t","  ",$string);
    $string=str_replace("  ","  ",$string);
    $string=str_replace('|', '|', $string);
    $string=str_replace("`","`",$string);
    $string=str_replace("\","\",$string);
    return $string;
}