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   1  <?PHP
   2  // +----------------------------------------------------------------------+

   3  // | PHP Version 4                                                        |

   4  // +----------------------------------------------------------------------+

   5  // | Copyright (c) 1997-2004 The PHP Group                                |

   6  // +----------------------------------------------------------------------+

   7  // | This source file is subject to version 3.0 of the PHP license,       |

   8  // | that is bundled with this package in the file LICENSE, and is        |

   9  // | available at through the world-wide-web at                           |

  10  // | http://www.php.net/license/3_0.txt.                                  |

  11  // | If you did not receive a copy of the PHP license and are unable to   |

  12  // | obtain it through the world-wide-web, please send a note to          |

  13  // | license@php.net so we can mail you a copy immediately.               |

  14  // +----------------------------------------------------------------------+

  15  // | Authors: Stephan Schmidt <schst@php.net>                             |

  16  // |          Aidan Lister <aidan@php.net>                                |

  17  // +----------------------------------------------------------------------+

  18  //

  19  // $Id: htmlspecialchars_decode.php,v 1.3 2005/06/18 14:02:09 aidan Exp $

  20  
  21  
  22  /**

  23   * Replace function htmlspecialchars_decode()

  24   *

  25   * @category    PHP

  26   * @package     PHP_Compat

  27   * @link        http://php.net/function.htmlspecialchars_decode

  28   * @author      Aidan Lister <aidan@php.net>

  29   * @version     $Revision: 1.3 $

  30   * @since       PHP 5.1.0

  31   * @require     PHP 4.0.0 (user_error)

  32   */
  33  if (!function_exists('htmlspecialchars_decode')) {
  34      function htmlspecialchars_decode($string, $quote_style = null)
  35      {
  36          // Sanity check

  37          if (!is_scalar($string)) {
  38              user_error('htmlspecialchars_decode() expects parameter 1 to be string, ' .
  39                  gettype($string) . ' given', E_USER_WARNING);
  40              return;
  41          }
  42  
  43          if (!is_int($quote_style) && $quote_style !== null) {
  44              user_error('htmlspecialchars_decode() expects parameter 2 to be integer, ' .
  45                  gettype($quote_style) . ' given', E_USER_WARNING);
  46              return;
  47          }
  48  
  49          // Init

  50          $from   = array('&amp;', '&lt;', '&gt;');
  51          $to     = array('&', '<', '>');
  52          
  53          // The function does not behave as documented

  54          // This matches the actual behaviour of the function

  55          if ($quote_style & ENT_COMPAT || $quote_style & ENT_QUOTES) {
  56              $from[] = '&quot;';
  57              $to[]   = '"';
  58              
  59              $from[] = '&#039;';
  60              $to[]   = "'";
  61          }
  62  
  63          return str_replace($from, $to, $string);
  64      }
  65  }
  66  
  67  ?>