1<?php 2// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project 3// 4// All Rights Reserved. See copyright.txt for details and a complete list of authors. 5// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details. 6// $Id$ 7 8class Math_Formula_Function_LessThan extends Math_Formula_Function 9{ 10 function evaluate($element) 11 { 12 13 if (count($element) > 2) { 14 $this->error(tr('Too many arguments on less than.')); 15 } 16 17 $reference = $this->evaluateChild($element[0]); 18 19 $mynumber = $this->evaluateChild($element[1]); 20 if ($mynumber < $reference) { 21 return false; 22 } 23 24 25 return true; 26 } 27} 28