pdo.php

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<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * PDO database iterator.
 *
 * @package     Joomla.Platform
 * @subpackage  Database
 * @since       12.1
 */
class JDatabaseIteratorPdo extends JDatabaseIterator
{
        /**
         * Get the number of rows in the result set for the executed SQL given by the cursor.
         *
         * @return  integer  The number of rows in the result set.
         *
         * @since   12.1
         * @see     Countable::count()
         */
        public function count()
        {
                if (!empty($this->cursor) && $this->cursor instanceof PDOStatement)
                {
                        return $this->cursor->rowCount();
                }
                else
                {
                        return 0;
                }
        }

        /**
         * Method to fetch a row from the result set cursor as an object.
         *
         * @return  mixed   Either the next row from the result set or false if there are no more rows.
         *
         * @since   12.1
         */
        protected function fetchObject()
        {
                if (!empty($this->cursor) && $this->cursor instanceof PDOStatement)
                {
                        return $this->cursor->fetchObject($this->class);
                }
                else
                {
                        return false;
                }
        }

        /**
         * Method to free up the memory used for the result set.
         *
         * @return  void
         *
         * @since   12.1
         */
        protected function freeResult()
        {
                if (!empty($this->cursor) && $this->cursor instanceof PDOStatement)
                {
                        $this->cursor->closeCursor();
                }
        }
}