cassandra_InvalidRequestException::__construct PHP Méthode

    public function __construct($vals = null)
    {
        if (!isset(self::$_TSPEC)) {
            self::$_TSPEC = array(1 => array('var' => 'why', 'type' => TType::STRING));
        }
        if (is_array($vals)) {
            if (isset($vals['why'])) {
                $this->why = $vals['why'];
            }
        }
    }