function insertDB($text, $topic)
{
// $data = array( 'text' => $text, 'topic' => $topic );
$data = array($text => 'text', $topic => 'topic');
$STH = $connection->prepare("INSERT INTO question (text, topic) values (:text, :topic)");
$STH->execute($data);
}
$insertDB = arry ('nji', 'cfttgt');