admin/purgecaches.php

   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();