<?php
// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: Not.php 66107 2018-04-19 18:14:47Z luciash $

class Math_Formula_Function_Not extends Math_Formula_Function
{
	function evaluate($element)
	{
		$componentBool = $this->evaluateChild($element[0]);

		if ($componentBool) {
			return false;
		} else {
			return true;
		}
	}
}
