public function getUncompletedMatchen()
 {
     $matchen = array();
     $now = time();
     require 'conexie.php';
     $sql = "SELECT `uid`,`mid`,`cid` FROM `matchen` WHERE `completed` = '0' AND `ts` < '" . $now . "' ORDER BY `cid`";
     $result = mysqli_query($db, $sql) or die("<error>Query on database competities does not work.</error>");
     $cids_to_update = array();
     $current_cid = 0;
     $cids_num = 0;
     $update_sqls = array();
     $results = array();
     while ($row = mysqli_fetch_object($result)) {
         $info = array("uid" => $row->uid, "mid" => $row->mid);
         if ($current_cid !== $row->cid) {
             $cids_to_update[] = array("cid" => $row->cid, "info" => array($info));
             $current_cid = $row->cid;
             $cids_num++;
         } else {
             $cids_to_update[$cids_num]['info'][] = $info;
         }
     }
     // cid info ophalen
     foreach ($cids_to_update as $cid_to_update) {
         $current_cid = $cid_to_update['cid'];
         $sql = "SELECT `id`,`draw` FROM `competities` WHERE `cid` = '" . $current_cid . "' LIMIT 1";
         $result = mysqli_query($db, $sql) or die("<error>Query on database competities does not work.</error>");
         // get ID and DRAW
         while ($row = mysqli_fetch_object($result)) {
             $cid_to_update['id'] = $row->id;
             $cid_to_update['draw'] = $row->draw;
             $cc = new CompetitionCreator($row->id, $row->draw);
             $s1 = $cc->createCompetition();
             $results[] = $s1;
             $s2 = $cc->createMatches();
             $results[] = $s2;
             $s3 = $cc->createTeams();
             $results[] = $s3;
         }
     }
     // results?
     header('Content-type: text/xml');
     echo '<results>';
     for ($i = 0; $i < count($results); $i++) {
         echo $results[$i];
     }
     echo '</results>';
 }
require 'CompetitionCreator.php';
// test
// GET parameters
$_ID = "";
$_DRAW = "";
$_ID = $_GET['id'];
$_DRAW = $_GET['draw'];
// default waarden (om altijd geldig resultaat te hebben)
if ($_ID == "") {
    $_ID = 'B2DF27E6-FEEC-4C30-9A52-7BED76544B48';
    $_DRAW = '3';
}
// Create new competition
$cc = new CompetitionCreator($_ID, $_DRAW);
$results = array();
$s1 = $cc->createCompetition();
$results[] = $s1;
$s2 = $cc->createMatches();
$results[] = $s2;
$s3 = $cc->createTeams();
$results[] = $s3;
// return value?
//print_r($success);
//echo($xml);
//header ('Content-type: text/xml');
$xml_output = '';
$xml_output .= '<results>';
for ($i = 0; $i < count($results); $i++) {
    //$xml = simplexml_load_string($results[$i]);
    //echo $xml;
    $xml_output .= $results[$i];