Fatal error: Uncaught Error: Call to undefined function arry() в чем ошибка в коде?

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');