function question_model_test($delete)
{
include_once "page_model.php";
$qa_pairs = array("question" => "where would you like to go?", "answers" => array("1" => "left", "2" => "right", "3" => "south"));
$question = new QuestionModel(PageModel::first()->id, serialize($qa_pairs), date("Y-m-d H:i:s"));
$question->save();
$question->print_fields();
$qa_pairs = array("question" => "Will you open the door?", "answers" => array("1" => "yes", "2" => "no"));
$question->set("q_and_a", serialize($qa_pairs));
$question->save();
$question->print_fields();
if ($delete) {
$question->delete();
}
$qm = QuestionModel::find(QuestionModel::last()->id);
$qm->print_fields();
QuestionModel::find(999);
}