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   1  <?php
   2  /**
   3  *
   4  * @package VC
   5  * @version $Id$
   6  * @copyright (c) 2006, 2008 phpBB Group
   7  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
   8  *
   9  */
  10  
  11  /**
  12  * @ignore
  13  */
  14  if (!defined('IN_PHPBB'))
  15  {
  16      exit;
  17  }
  18  
  19  /**
  20  * Placeholder for autoload
  21  */
  22  if (!class_exists('phpbb_default_captcha'))
  23  {
  24      include($phpbb_root_path . 'includes/captcha/plugins/captcha_abstract.' . $phpEx);
  25  }
  26  
  27  /**
  28  * @package VC
  29  */
  30  class phpbb_captcha_gd_wave extends phpbb_default_captcha
  31  {
  32  
  33  	function phpbb_captcha_gd_wave()
  34      {
  35          global $phpbb_root_path, $phpEx;
  36  
  37          if (!class_exists('captcha'))
  38          {
  39              include_once($phpbb_root_path . 'includes/captcha/captcha_gd_wave.' . $phpEx);
  40          }
  41      }
  42  
  43  	function get_instance()
  44      {
  45          return new phpbb_captcha_gd_wave();
  46      }
  47  
  48  	function is_available()
  49      {
  50          global $phpbb_root_path, $phpEx;
  51  
  52          if (@extension_loaded('gd'))
  53          {
  54              return true;
  55          }
  56  
  57          if (!function_exists('can_load_dll'))
  58          {
  59              include($phpbb_root_path . 'includes/functions_install.' . $phpEx);
  60          }
  61  
  62          return can_load_dll('gd');
  63      }
  64  
  65  	function get_name()
  66      {
  67          return 'CAPTCHA_GD_3D';
  68      }
  69  
  70  	function get_class_name()
  71      {
  72          return 'phpbb_captcha_gd_wave';
  73      }
  74  
  75  	function acp_page($id, &$module)
  76      {
  77          global $config, $db, $template, $user;
  78  
  79          trigger_error($user->lang['CAPTCHA_NO_OPTIONS'] . adm_back_link($module->u_action));
  80      }
  81  }
  82  
  83  ?>