public function POSTupdate($request)
{
$element = \Models\Graph::ID($_POST['src']);
$document = $element->ownerDocument;
$plot = $element->appendChild($document->createElement('plot'));
$plot->setAttribute('t', implode(' ', $_POST['plot']['t']));
$plot->setAttribute('r', implode(' ', $_POST['plot']['r']));
$document->save(PATH . \Models\Graph::DB . '.xml');
return print_r($element->write(), true) . print_r($_POST, true);
}
public static function ID($id)
{
if ($id === null) {
return null;
}
if (!($element = Graph::instance()->storage->getElementById($id))) {
throw new \InvalidArgumentException("{$id}... Doesn't ring a bell.", 1);
}
return $element;
}
