00001 <?php 00002 /*************************************************************************** 00003 * Copyright (C) 2007 by Anton E. Lebedevich * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU Lesser General Public License as * 00007 * published by the Free Software Foundation; either version 3 of the * 00008 * License, or (at your option) any later version. * 00009 * * 00010 ***************************************************************************/ 00011 /* $Id: CompressWhitespaceFilter.class.php 4687 2007-12-09 18:57:18Z voxus $ */ 00012 00020 final class CompressWhitespaceFilter extends BaseFilter 00021 { 00025 public static function me() 00026 { 00027 return Singleton::getInstance(__CLASS__); 00028 } 00029 00030 public function apply($value) 00031 { 00032 return preg_replace('/[ \t]+/', ' ', $value); 00033 } 00034 } 00035 ?>