p_master::load_active PHP Method

    function load_active($mode = false, $module_url = false, $execute_module = true)
    {
        global $phpbb_root_path, $phpbb_admin_path, $phpEx, $user, $template, $request;
        $module_path = $this->include_path . $this->p_class;
        $icat = $request->variable('icat', '');
        if ($this->active_module === false) {
            trigger_error('MODULE_NOT_ACCESS', E_USER_ERROR);
        }
        // new modules use the full class names, old ones are always called <type>_<name>, e.g. acp_board
        if (!class_exists($this->p_name)) {
            if (!file_exists("{$module_path}/{$this->p_name}.{$phpEx}")) {
                trigger_error($user->lang('MODULE_NOT_FIND', "{$module_path}/{$this->p_name}.{$phpEx}"), E_USER_ERROR);
            }
            include "{$module_path}/{$this->p_name}.{$phpEx}";
            if (!class_exists($this->p_name)) {
                trigger_error($user->lang('MODULE_FILE_INCORRECT_CLASS', "{$module_path}/{$this->p_name}.{$phpEx}", $this->p_name), E_USER_ERROR);
            }
        }
        if (!empty($mode)) {
            $this->p_mode = $mode;
        }
        // Create a new instance of the desired module ...
        $class_name = $this->p_name;
        $this->module = new $class_name($this);
        // We pre-define the action parameter we are using all over the place
        if (defined('IN_ADMIN')) {
            /*
             * If this is an extension module, we'll try to automatically set
             * the style paths for the extension (the ext author can change them
             * if necessary).
             */
            $module_dir = explode('\\', get_class($this->module));
            // 0 vendor, 1 extension name, ...
            if (isset($module_dir[1])) {
                $module_style_dir = $phpbb_root_path . 'ext/' . $module_dir[0] . '/' . $module_dir[1] . '/adm/style';
                if (is_dir($module_style_dir)) {
                    $template->set_custom_style(array(array('name' => 'adm', 'ext_path' => 'adm/style/')), array($module_style_dir, $phpbb_admin_path . 'style'));
                }
            }
            // Is first module automatically enabled a duplicate and the category not passed yet?
            if (!$icat && $this->module_ary[$this->active_module_row_id]['is_duplicate']) {
                $icat = $this->module_ary[$this->active_module_row_id]['parent'];
            }
            // Not being able to overwrite ;)
            $this->module->u_action = append_sid("{$phpbb_admin_path}index.{$phpEx}", 'i=' . $this->get_module_identifier($this->p_name)) . ($icat ? '&amp;icat=' . $icat : '') . "&amp;mode={$this->p_mode}";
        } else {
            /*
             * If this is an extension module, we'll try to automatically set
             * the style paths for the extension (the ext author can change them
             * if necessary).
             */
            $module_dir = explode('\\', get_class($this->module));
            // 0 vendor, 1 extension name, ...
            if (isset($module_dir[1])) {
                $module_style_dir = 'ext/' . $module_dir[0] . '/' . $module_dir[1] . '/styles';
                if (is_dir($phpbb_root_path . $module_style_dir)) {
                    $template->set_style(array($module_style_dir, 'styles'));
                }
            }
            // If user specified the module url we will use it...
            if ($module_url !== false) {
                $this->module->u_action = $module_url;
            } else {
                $this->module->u_action = $phpbb_root_path . ($user->page['page_dir'] ? $user->page['page_dir'] . '/' : '') . $user->page['page_name'];
            }
            $this->module->u_action = append_sid($this->module->u_action, 'i=' . $this->get_module_identifier($this->p_name)) . ($icat ? '&amp;icat=' . $icat : '') . "&amp;mode={$this->p_mode}";
        }
        // Add url_extra parameter to u_action url
        if (!empty($this->module_ary) && $this->active_module !== false && $this->module_ary[$this->active_module_row_id]['url_extra']) {
            $this->module->u_action .= $this->module_ary[$this->active_module_row_id]['url_extra'];
        }
        // Assign the module path for re-usage
        $this->module->module_path = $module_path . '/';
        // Execute the main method for the new instance, we send the module id and mode as parameters
        // Users are able to call the main method after this function to be able to assign additional parameters manually
        if ($execute_module) {
            $short_name = preg_replace("#^{$this->p_class}_#", '', $this->p_name);
            $this->module->main($short_name, $this->p_mode);
        }
    }

			AND u.user_id = z.zebra_id', 'GROUP_BY' => 'z.zebra_id, u.user_id, u.username_clean, u.user_colour, u.username', 'ORDER_BY' => 'u.username_clean ASC'));
    $result = $db->sql_query($sql);
    while ($row = $db->sql_fetchrow($result)) {
        $which = time() - $update_time < $row['online_time'] && ($row['viewonline'] || $auth->acl_get('u_viewonline')) ? 'online' : 'offline';
        $template->assign_block_vars("friends_{$which}", array('USER_ID' => $row['user_id'], 'U_PROFILE' => get_username_string('profile', $row['user_id'], $row['username'], $row['user_colour']), 'USER_COLOUR' => get_username_string('colour', $row['user_id'], $row['username'], $row['user_colour']), 'USERNAME' => get_username_string('username', $row['user_id'], $row['username'], $row['user_colour']), 'USERNAME_FULL' => get_username_string('full', $row['user_id'], $row['username'], $row['user_colour'])));
    }
    $db->sql_freeresult($result);
}
// Do not display subscribed topics/forums if not allowed
if (!$config['allow_topic_notify'] && !$config['allow_forum_notify']) {
    $module->set_display('main', 'subscribed', false);
}
// Select the active module
$module->set_active($id, $mode);
// Load and execute the relevant module
$module->load_active();
// Assign data to the template engine for the list of modules
$module->assign_tpl_vars(append_sid("{$phpbb_root_path}ucp.{$phpEx}"));
// Generate the page, do not display/query online list
$module->display($module->get_page_title(), false);
/**
* Function for assigning a template var if the zebra module got included
*/
function _module_zebra($mode, &$module_row)
{
    global $template;
    $template->assign_var('S_ZEBRA_ENABLED', true);
    if ($mode == 'friends') {
        $template->assign_var('S_ZEBRA_FRIENDS_ENABLED', true);
    }
    if ($mode == 'foes') {