phpbb_questionnaire_data_collector::add_data_provider PHP Method

    function add_data_provider(&$provider)
    {
        $this->providers[] =& $provider;
    }

 function main($id, $mode)
 {
     global $config, $template, $phpbb_admin_path, $phpEx;
     $collect_url = "http://www.phpbb.com/stats/receive_stats.php";
     $this->tpl_name = 'acp_send_statistics';
     $this->page_title = 'ACP_SEND_STATISTICS';
     // generate a unique id if necessary
     if (!isset($config['questionnaire_unique_id'])) {
         $install_id = unique_id();
         set_config('questionnaire_unique_id', $install_id);
     } else {
         $install_id = $config['questionnaire_unique_id'];
     }
     $collector = new phpbb_questionnaire_data_collector($install_id);
     // Add data provider
     $collector->add_data_provider(new phpbb_questionnaire_php_data_provider());
     $collector->add_data_provider(new phpbb_questionnaire_system_data_provider());
     $collector->add_data_provider(new phpbb_questionnaire_phpbb_data_provider($config));
     $template->assign_vars(array('U_COLLECT_STATS' => $collect_url, 'RAW_DATA' => $collector->get_data_for_form(), 'U_ACP_MAIN' => append_sid("{$phpbb_admin_path}index.{$phpEx}")));
     $raw = $collector->get_data_raw();
     foreach ($raw as $provider => $data) {
         if ($provider == 'install_id') {
             $data = array($provider => $data);
         }
         $template->assign_block_vars('providers', array('NAME' => htmlspecialchars($provider)));
         foreach ($data as $key => $value) {
             if (is_array($value)) {
                 $value = utf8_wordwrap(serialize($value), 75, "\n", true);
             }
             $template->assign_block_vars('providers.values', array('KEY' => utf8_htmlspecialchars($key), 'VALUE' => utf8_htmlspecialchars($value)));
         }
     }
 }