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Developer Documentation

  • 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 34] [Versions 310 and 35] [Versions 34 and 310] [Versions 35 and 310]

       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   * This script triggers a full purging of system caches,
      19   * this is useful mostly for developers who did not disable the caching.
      20   *
      21   * @package    core
      22   * @copyright  2010 Petr Skoda {@link http://skodak.org}
      23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
      24   */
      25  
      26  require_once('../config.php');
      27  require_once($CFG->libdir.'/adminlib.php');
      28  
      29  $confirm = optional_param('confirm', 0, PARAM_BOOL);
      30  $returnurl = optional_param('returnurl', '/admin/purgecaches.php', PARAM_LOCALURL);
      31  $returnurl = new moodle_url($returnurl);
      32  
      33  admin_externalpage_setup('purgecaches');
      34  
      35  $form = new core_admin\form\purge_caches(null, ['returnurl' => $returnurl]);
      36  
      37  // If we have got here as a confirmed aciton, do it.
      38  if ($data = $form->get_data()) {
      39  
      40      // Valid request. Purge, and redirect the user back to where they came from.
      41      $selected = $data->purgeselectedoptions;
      42      purge_caches($selected);
      43  
      44      if (isset($data->all)) {
      45          $message = get_string('purgecachesfinished', 'admin');
      46      } else {
      47          $message = get_string('purgeselectedcachesfinished', 'admin');
      48      }
      49  
      50  } else if ($confirm && confirm_sesskey()) {
      51      purge_caches();
      52      $message = get_string('purgecachesfinished', 'admin');
      53  }
      54  
      55  if (isset($message)) {
      56      redirect($returnurl, $message);
      57  }
      58  
      59  // Otherwise, show a form to actually purge the caches.
      60  
      61  echo $OUTPUT->header();
      62  echo $OUTPUT->heading(get_string('purgecachespage', 'admin'));
      63  
      64  echo $OUTPUT->box_start('generalbox', 'notice');
      65  echo html_writer::tag('p', get_string('purgecachesconfirm', 'admin'));
      66  echo $form->render();
      67  echo $OUTPUT->box_end();
      68  
      69  echo $OUTPUT->footer();