Ho risolto in questo modo.

Codice PHP:

$notizia
=$result["news1"]; 
//$idn1=$result["idn1"];
echo "<img src=stampafoto.php?idn1=$idn1>"
echo
"
"

$allowedTags '<h1>[b][i]<a><ul>[*]<pre><hr><blockquote><img><style>';
$source=strip_tags($notizia$allowedTags);
echo
"<p class=\"news\">$source</p>"