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_Clean extends Math_Formula_Function 9{ 10 function evaluate($element) 11 { 12 $out = ""; 13 14 foreach ($element as $child) { 15 $out .= TikiLib::remove_non_word_characters_and_accents($this->evaluateChild($child)); 16 } 17 18 return $out; 19 } 20 21} 22