Ciao a tutti sto usando una classe php (che ho trovato in questo forum ) che consente di creare XML da un DB MYSQL
posto il codice:


<?

try {
$strn_dns='mysql:host=localhost;dbname=fru';
$user="root";
$pass="ARTEMY04";

$db = new PDO($strn_dns ,$user, $pass);
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$db->setAttribute(PDO::ATTR_CASE, PDO::CASE_LOWER);
$db->query("SET NAMES 'utf8' COLLATE 'utf8_general_ci'");
} catch (PDOException $e) {
echo 'Connection failed: ' . $e->getMessage();
}



class buildXml {
private $db;
private $tabella;
private $dom;
public function __construct(PDO $db, $tabella = '',$versione = '1.0', $charset = 'UTF-8') {
$this->db = $db;
if ($tabella == '') {
throw new Exception('Devi indicare quale tabella vuoi aggiornare!!');
}
$this->tabella = $tabella;
$this->dom = new DOMDocument($versione, $charset);
$this->creaXml();
}

private function __eseguiQuery() {
$rows= array();
foreach($this->db->query("SELECT * FROM ".$this->tabella) as $row){
$rows[]= $row;
}
return $rows;
}
private function creaXml() {
$rows= $this->__eseguiQuery();
$domRoot= $this->dom->createElement($this->tabella);
$this->dom->appendChild($domRoot);
foreach ($rows as $row) {
$item= $this->dom->createElement('item');
foreach ($row as $key => $value){
if(is_string($key)){
$node= $this->dom->createElement($key);
$text= $this->dom->createTextNode($value);
$node->appendChild($text);
$item->appendChild($node);
}
}
$domRoot->appendChild($item);
}
}
public function showXml(){
header('Content-Type: text/xml');
//ritorno il documento xml corretto
echo $this->dom->saveXML();
}
public function save($fileName){
$this->dom->save($fileName);
}
}
$o= new buildXml($db,'evento');
//$o->showXml();
$o->save('pippo.xml');

?>


mi da un errore quando tenta di modificare l' header perche nella pagina html gia l'header lo da...
coem posso risolvere?

Grazie in anticipo