primo commit

libraries/f0f/model/field/boolean.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * @package     FrameworkOnFramework
+ * @subpackage  model
+ * @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
+ */
+// Protect from unauthorized access
+defined('F0F_INCLUDED') or die;
+
+/**
+ * FrameworkOnFramework model behavior class
+ *
+ * @package  FrameworkOnFramework
+ * @since    2.1
+ */
+class F0FModelFieldBoolean extends F0FModelFieldNumber
+{
+	/**
+	 * Is it a null or otherwise empty value?
+	 *
+	 * @param   mixed  $value  The value to test for emptiness
+	 *
+	 * @return  boolean
+	 */
+	public function isEmpty($value)
+	{
+		return is_null($value) || ($value === '');
+	}
+}