help_ajax.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Displays help via AJAX call
  20  *
  21  * @copyright 2013 onwards Andrew Nicols
  22  * @package   core
  23  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 define('NO_MOODLE_COOKIES', true);
  27 define('AJAX_SCRIPT', true);
  28 require_once(__DIR__ . '/config.php');
  29
  30 $identifier = required_param('identifier', PARAM_STRINGID);
  31 $component  = required_param('component', PARAM_COMPONENT);
  32 $lang       = optional_param('lang', 'en', PARAM_LANG);
  33
  34 // We don't actually modify the session here as we have NO_MOODLE_COOKIES set.
  35 $SESSION->lang = $lang;
  36 $PAGE->set_url('/help_ajax.php');
  37 $PAGE->set_context(context_system::instance());
  38
  39 $data = get_formatted_help_string($identifier, $component, true);
  40 echo json_encode($data);