PCREFilter.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2005-2007 by Sveta A. Smirnova                          *
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: PCREFilter.class.php 4687 2007-12-09 18:57:18Z voxus $ */
00012 
00016     final class PCREFilter implements Filtrator
00017     {
00018         private $search     = null;
00019         private $replace    = null;
00020         private $limit      = -1;
00021         
00025         public static function create()
00026         {
00027             return new self;
00028         }
00029         
00033         public function setExpression($search, $replace)
00034         {
00035             $this->search   = $search;
00036             $this->replace  = $replace;
00037             
00038             return $this;
00039         }
00040         
00041         public function apply($value)
00042         {
00043             return
00044                 preg_replace(
00045                     $this->search,
00046                     $this->replace,
00047                     $value,
00048                     $this->limit
00049                 );
00050         }
00051         
00055         public function setLimit($limit)
00056         {
00057             $this->limit = $limit;
00058             
00059             return $this;
00060         }
00061     }
00062 ?>

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