mysql do php do xml zobrazuje prázdný věk

Raději bych použil simplexml , xmlwriter nebo DOM k vytvoření tohoto XML a PDO pro práci s databází:

$stmt = $db->prepare($query); // define $db as PDO in include-file
$stmt->execute();
$requests = $stmt->fetchAll(PDO::FETCH_ASSOC);

$xml = new SimpleXMLElement("<?xml version="1.0" encoding="UTF-8"?><request></request>");

foreach ($requests as $r) {
    $cd = $xml->addChild("CD");
    $cd->addchild("singer", $r['artist']);
    $cd->addChild("song", $r['title']);
    $cd->addChild("album", $r['album']);
    $cd->addChild("name", $r['name']);
    $cd->addChild("shout", $r['msg']);
}

echo $xml->asXML();

A malá varianta s mapovacím polem:

$fields = array(
    'singer' => 'artist',
    'song'   => 'title',
    # ...
);

foreach ($requests as $r) {
    $cd = $xml->addChild("CD");
    foreach ($fields as $name => $column)
    {
        $cd->$name = $r[$column];
    }
}