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/ -> help_ajax.php (source)
   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);

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