* test_course_survey.id_test and test_nodes.id_nodo !!!
*/
// get tests
$testsArr = $dh_test->test_getNodes(array('id_corso' => $course_id, 'id_nodo_parent' => null, 'id_nodo_radice' => null, 'id_nodo_riferimento' => $exportHelper->exportedNONTestNodeArray, 'id_istanza' => 0));
if (!empty($testsArr) && !AMA_DB::isError($testsArr)) {
// $XMLAllTests =& $domtree->createElement('tests');
$exportHelper->testNodeXMLElement = $domtree->createElement('tests');
foreach ($testsArr as &$testElement) {
// if this node is in the array of root nodes that MUST
// be exported, I can safely remove it from the array itself.
$array_key = array_search($testElement['id_nodo'], $surveyRootNodes);
if ($array_key !== false) {
unset($surveyRootNodes[$array_key]);
}
// export the node and all of its kids recursively
$exportHelper->exportTestNodeChildren($course_id, $testElement['id_nodo'], $domtree, $dh_test);
// $XMLAllTests);
}
}
// end get tests
// if there is still some value in the root nodes that MUST
// be exported, do it NOW!
if (!empty($surveyRootNodes)) {
if (!isset($XMLAllTests)) {
$XMLAllTests = $domtree->createElement('tests');
}
if (!isset($exportHelper->testNodeXMLElement) || is_null($exportHelper->testNodeXMLElement)) {
$exportHelper->testNodeXMLElement = $domtree->createElement('tests');
}
foreach ($surveyRootNodes as &$rootNode) {
// export the node and all of its kids recursively
