Anti-xss ok?

function secure($data,$limit=50){
$data=str_replace("javascript:","",$data);
$data=substr($data,0,$limit);
return htmlentities($data,ENT_QUOTES,"UTF-8");
}

function secure($data,$limit=50){
$data=str_replace("javascript:","",$data);
$data=substr($data,0,$limit);
return htmlentities($data,ENT_QUOTES,"UTF-8");
}

$data=substr($data,0,$limit);

$data=substr($data,0,$limit);

if (strlen($data)>50)
{
  // geef foutmelding
}

if (strlen($data)>50)
{
  // geef foutmelding
}