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libraries/f0f/database/iterator/pdo.php

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+<?php
+/**
+ * @package     FrameworkOnFramework
+ * @subpackage  database
+ * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ *
+ * This file is adapted from the Joomla! Platform. It is used to iterate a database cursor returning F0FTable objects
+ * instead of plain stdClass objects
+ */
+
+// Protect from unauthorized access
+defined('F0F_INCLUDED') or die;
+
+/**
+ * PDO database iterator.
+ */
+class F0FDatabaseIteratorPdo extends F0FDatabaseIterator
+{
+	/**
+	 * 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.
+	 *
+	 * @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.
+	 */
+	protected function fetchObject()
+	{
+		if (!empty($this->cursor) && $this->cursor instanceof PDOStatement)
+		{
+			return @$this->cursor->fetchObject($this->class);
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Method to free up the memory used for the result set.
+	 *
+	 * @return  void
+	 */
+	protected function freeResult()
+	{
+		if (!empty($this->cursor) && $this->cursor instanceof PDOStatement)
+		{
+			@$this->cursor->closeCursor();
+		}
+	}
+}