function delete_map($student_id, $map_id)
{
$maps = get_user_maps($student_id);
foreach ($maps as $map) {
if ($map->id == $map_id) {
$dom = dom_import_simplexml($map);
$dom->parentNode->removeChild($dom);
}
}
$maps_as_string = xml_to_string($maps);
$query = "UPDATE Students SET MAPS='{$maps_as_string}' WHERE STUDENT_ID={$student_id};";
exec_query($query);
}
$map = json_decode($map, true);
// echo $map['id'];
if ($map['id'] != null) {
deliver_response("Map retrieving successful", $map);
} else {
deliver_response("Map not found");
}
break;
case 'PUT':
$json_string = file_get_contents('php://input');
$json_arr = json_decode($json_string, true);
$conceptmap->mapxml = "";
if (empty($conceptmap->mapxml)) {
// updating empty record with whole map
$mapxml = json_arr_to_xml($json_arr);
$mapxml = xml_to_string($mapxml);
} else {
// updating only the differences
// $mapxml = format_xml($conceptmap->mapxml);
// $mapxml = xml_maps_to_json($mapxml);
// $mapxml = json_decode($mapxml, true)[0];
// foreach ($mapxml as $key => $value) {
// if (!empty($json_arr[$key])) {
// $mapxml[$key] = $json_arr[$key];
// }
// }
}
$conceptmap->mapxml = $mapxml;
$DB->update_record($table, $conceptmap, $bulk = false);
// super_echo($conceptmap); // result as XML
$map = from_db_to_json($conceptmap);