PHP קוד:
<?php
if(isset($_POST['username']))
{
$spam = array("כלב", "זבל");
$text = str_replace($spam,"צונזר",$_POST['username']);
echo "Hello, ".$text;
}
else
{
echo "
<form action=\"form.php\" method=\"post\">
<textarea name=\"username\" rows=\"10\" cols=\"30\"></textarea>
<input type=\"submit\" name=\"send\" value=\"send\" />
</form>
";
}
?>