HashFilter.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2005-2007 by Konstantin V. Arkhipov                     *
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 
00017     final class HashFilter implements Filtrator
00018     {
00019         private $binary = false;
00020         
00021         public function __construct($binary = false)
00022         {
00023             $this->binary = ($binary === true);
00024         }
00025         
00029         public static function create($binary = false)
00030         {
00031             return new self($binary);
00032         }
00033         
00034         public function isBinary()
00035         {
00036             return $this->binary;
00037         }
00038         
00039         public function apply($value)
00040         {
00041             return sha1($value, $this->binary);
00042         }
00043     }
00044 ?>