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Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.

Differences Between: [Versions 310 and 402] [Versions 310 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Select site administrators.
  19   *
  20   * @package    core_role
  21   * @copyright  2010 Petr Skoda {@link http://skodak.org}
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once(__DIR__ . '/../../config.php');
  26  require_once($CFG->libdir.'/adminlib.php');
  27  
  28  $confirmadd = optional_param('confirmadd', 0, PARAM_INT);
  29  $confirmdel = optional_param('confirmdel', 0, PARAM_INT);
  30  
  31  $PAGE->set_url('/admin/roles/admins.php');
  32  
  33  admin_externalpage_setup('admins');
  34  if (!is_siteadmin()) {
  35      die;
  36  }
  37  
  38  $admisselector = new core_role_admins_existing_selector();
  39  $potentialadmisselector = new core_role_admins_potential_selector();
  40  
  41  if (optional_param('add', false, PARAM_BOOL) and confirm_sesskey()) {
  42      if ($userstoadd = $potentialadmisselector->get_selected_users()) {
  43          $user = reset($userstoadd);
  44          $username = $potentialadmisselector->output_user($user);
  45          echo $OUTPUT->header();
  46          $yesurl = new moodle_url('/admin/roles/admins.php', array('confirmadd'=>$user->id, 'sesskey'=>sesskey()));
  47          echo $OUTPUT->confirm(get_string('confirmaddadmin', 'core_role', $username), $yesurl, $PAGE->url);
  48          echo $OUTPUT->footer();
  49          die;
  50      }
  51  
  52  } else if (optional_param('remove', false, PARAM_BOOL) and confirm_sesskey()) {
  53      if ($userstoremove = $admisselector->get_selected_users()) {
  54          $user = reset($userstoremove);
  55          if ($USER->id == $user->id) {
  56              // Can not remove self.
  57          } else {
  58              $username = $admisselector->output_user($user);
  59              echo $OUTPUT->header();
  60              $yesurl = new moodle_url('/admin/roles/admins.php', array('confirmdel'=>$user->id, 'sesskey'=>sesskey()));
  61              echo $OUTPUT->confirm(get_string('confirmdeladmin', 'core_role', $username), $yesurl, $PAGE->url);
  62              echo $OUTPUT->footer();
  63              die;
  64          }
  65      }
  66  
  67  } else if (optional_param('main', false, PARAM_BOOL) and confirm_sesskey()) {
  68      if ($newmain = $admisselector->get_selected_users()) {
  69          $newmain = reset($newmain);
  70          $newmain = $newmain->id;
  71          $admins = array();
  72          foreach (explode(',', $CFG->siteadmins) as $admin) {
  73              $admin = (int)$admin;
  74              if ($admin) {
  75                  $admins[$admin] = $admin;
  76              }
  77          }
  78  
  79          if (isset($admins[$newmain])) {
  80              $logstringold = implode(', ', $admins);
  81  
  82              unset($admins[$newmain]);
  83              array_unshift($admins, $newmain);
  84  
  85              $logstringnew = implode(', ', $admins);
  86  
  87              set_config('siteadmins', implode(',', $admins));
  88              add_to_config_log('siteadmins', $logstringold, $logstringnew, null);
  89  
  90              redirect($PAGE->url);
  91          }
  92      }
  93  
  94  } else if ($confirmadd and confirm_sesskey()) {
  95      $admins = array();
  96      foreach (explode(',', $CFG->siteadmins) as $admin) {
  97          $admin = (int)$admin;
  98          if ($admin) {
  99              $admins[$admin] = $admin;
 100          }
 101      }
 102  
 103      $logstringold = implode(', ', $admins);
 104  
 105      $admins[$confirmadd] = $confirmadd;
 106  
 107      $logstringnew = implode(', ', $admins);
 108  
 109      set_config('siteadmins', implode(',', $admins));
 110      add_to_config_log('siteadmins', $logstringold, $logstringnew, 'core');
 111  
 112      redirect($PAGE->url);
 113  
 114  } else if ($confirmdel and confirm_sesskey() and $confirmdel != $USER->id) {
 115      $admins = array();
 116      foreach (explode(',', $CFG->siteadmins) as $admin) {
 117          $admin = (int)$admin;
 118          if ($admin) {
 119              $admins[$admin] = $admin;
 120          }
 121      }
 122  
 123      $logstringold = implode(', ', $admins);
 124  
 125      unset($admins[$confirmdel]);
 126  
 127      $logstringnew = implode(', ', $admins);
 128  
 129      set_config('siteadmins', implode(',', $admins));
 130      add_to_config_log('siteadmins', $logstringold, $logstringnew, 'core');
 131  
 132      redirect($PAGE->url);
 133  }
 134  
 135  // Print header.
 136  echo $OUTPUT->header();
 137  ?>
 138  
 139  <div id="addadmisform">
 140      <h3 class="main"><?php print_string('manageadmins', 'core_role'); ?></h3>
 141  
 142      <form id="assignform" method="post" action="<?php echo $PAGE->url ?>">
 143      <div>
 144      <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
 145  
 146      <table class="generaltable generalbox groupmanagementtable boxaligncenter" summary="">
 147      <tr>
 148        <td id='existingcell'>
 149            <p>
 150              <label for="removeselect"><?php print_string('existingadmins', 'core_role'); ?></label>
 151            </p>
 152            <?php $admisselector->display(); ?>
 153            </td>
 154        <td id="buttonscell">
 155          <p class="arrow_button">
 156              <input name="add" id="add" type="submit" value="<?php echo $OUTPUT->larrow().'&nbsp;'.get_string('add'); ?>"
 157                     title="<?php print_string('add'); ?>" class="btn btn-secondary"/><br />
 158              <input name="remove" id="remove" type="submit" value="<?php echo get_string('remove').'&nbsp;'.$OUTPUT->rarrow(); ?>"
 159                     title="<?php print_string('remove'); ?>" class="btn btn-secondary"/><br />
 160              <input name="main" id="main" type="submit" value="<?php echo get_string('mainadminset', 'core_role'); ?>"
 161                     title="<?php print_string('mainadminset', 'core_role'); ?>" class="btn btn-secondary"/>
 162          </p>
 163        </td>
 164        <td id="potentialcell">
 165            <p>
 166              <label for="addselect"><?php print_string('users'); ?></label>
 167            </p>
 168            <?php $potentialadmisselector->display(); ?>
 169        </td>
 170      </tr>
 171      </table>
 172      </div>
 173      </form>
 174  </div>
 175  
 176  <?php
 177  
 178  echo $OUTPUT->footer();