1   <?php
  2   /* vim: set expandtab tabstop=4 shiftwidth=4: */
  3   // +----------------------------------------------------------------------+
  4   // | PHP Version 4                                                        |
  5   // +----------------------------------------------------------------------+
  6   // | Copyright (c) 1997-2004 The PHP Group                                |
  7   // +----------------------------------------------------------------------+
  8   // | This source file is subject to version 3.0 of the PHP license,       |
  9   // | that is bundled with this package in the file LICENSE, and is        |
  10   // | available at through the world-wide-web at                           |
  11   // | http://www.php.net/license/3_0.txt.                                  |
  12   // | If you did not receive a copy of the PHP license and are unable to   |
  13   // | obtain it through the world-wide-web, please send a note to          |
  14   // | license@php.net so we can mail you a copy immediately.               |
  15   // +----------------------------------------------------------------------+
  16   // | Authors: Aidan Lister <aidan@php.net>                                |
  17   // +----------------------------------------------------------------------+
  18   //
  19   // $Id: constant.php,v 1.1 2004-10-26 18:22:16 kostja Exp $
  20   //
  21  
  22  
  23   /**
  24    * Replace constant()
  25    *
  26    * @category    PHP
  27    * @package     PHP_Compat
  28    * @link        http://php.net/constant
  29    * @author      Aidan Lister <aidan@php.net>
  30    * @version     $Revision: 1.1 $
  31    * @since       PHP 4.0.4
  32    * @require     PHP 4.0.1 (trigger_error)
  33    */
  34   if (!function_exists('constant'))
  35   {
  36       function constant ($constant)
  37       {
  38           if (!defined($constant)) {
  39               $error = sprintf('constant() Couldn\'t find constant %s', $constant);
  40               trigger_error($error, E_USER_WARNING);
  41               return false;
  42           }
  43  
  44           eval("\$value=$constant;");
  45  
  46           return $value;
  47       }
  48   }
  49  
  50   ?>