Get MySQL database output via PHP to XML

Question

I have a MySQL database on my website, and I would like to know how I could get an XML output via PHP of the following columns in the table:

1. udid
2. coun

Answer 1

An example with XMLWriter.

mysql_connect('server', 'user', 'pass');
mysql_select_db('database');

$sql = "SELECT udid, country FROM table ORDER BY udid";
$res = mysql_query($sql);

$xml = new XMLWriter();

$xml->openURI("php://output");
$xml->startDocument();
$xml->setIndent(true);

$xml->startElement('countries');

while ($row = mysql_fetch_assoc($res)) {
  $xml->startElement("country");

  $xml->writeAttribute('udid', $row['udid']);
  $xml->writeRaw($row['country']);

  $xml->endElement();
}

$xml->endElement();

header('Content-type: text/xml');
$xml->flush();

Output:

 Country 1
 Country 2
 ...
 Country n