Helper\PageData::__construct PHP Метод

    public function __construct($tableName, $extras = '', $column = array('*'))
    {
        $columns = implode(',', $column);
        $this->countQuery = Database::getInstance()->prepare("SELECT COUNT(*) FROM `{$tableName}` {$extras}");
        $this->query = Database::getInstance()->prepare("SELECT {$columns} FROM `{$tableName}` {$extras} LIMIT :pageDataStart,:pageDataRPP");
        if ($_GET['page']) {
            $this->setPage($_GET['page']);
        }
    }