[Summary view]

   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   * Show current cache usage (number of items, size of caches).
  19   *
  20   * @package core_cache
  21   * @copyright 2021 The Open University
  22   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once('../config.php');
  26  
  27  require_once($CFG->dirroot . '/lib/adminlib.php');
  28  
  29  admin_externalpage_setup('cacheusage');
  30  $adminhelper = cache_factory::instance()->get_administration_display_helper();
  31  raise_memory_limit(MEMORY_EXTRA);
  32  
  33  $samples = optional_param('samples', 50, PARAM_INT);
  34  
  35  // Just for safety reasons, stop people choosing a stupid number.
  36  if ($samples > 1000) {
  37      $samples = 1000;
  38  }
  39  
  40  // Get the actual data.
  41  $usage = $adminhelper->get_usage($samples);
  42  
  43  // Set up the renderer and organise data to render.
  44  $renderer = $PAGE->get_renderer('core_cache');
  45  [$table, $summarytable] = $renderer->usage_tables($usage);
  46  $form = new \core_cache\output\usage_samples_form();
  47  
  48  echo $OUTPUT->header();
  49  echo $renderer->usage_page($table, $summarytable, $form);
  50  echo $OUTPUT->footer();