protected function execute(InputInterface $input, OutputInterface $output)
 {
     $io = new DrupalStyle($input, $output);
     $this->get('site')->loadLegacyFile('/core/includes/update.inc');
     $this->get('site')->loadLegacyFile('/core/includes/install.inc');
     $updateRegistry = $this->getDrupalService('update.post_update_registry');
     drupal_load_updates();
     update_fix_compatibility();
     $updates = update_get_update_list();
     $postUpdates = $updateRegistry->getPendingUpdateInformation();
     $requirements = update_check_requirements();
     $severity = drupal_requirements_severity($requirements);
     $io->newLine();
     if ($severity == REQUIREMENT_ERROR || $severity == REQUIREMENT_WARNING) {
         $io->info($this->trans('commands.update.debug.messages.requirements-error'));
         $tableHeader = [$this->trans('commands.update.debug.messages.severity'), $this->trans('commands.update.debug.messages.title'), $this->trans('commands.update.debug.messages.value'), $this->trans('commands.update.debug.messages.description')];
         $tableRows = [];
         foreach ($requirements as $requirement) {
             if (isset($requirement['minimum schema']) & in_array($requirement['minimum schema'], array(REQUIREMENT_ERROR, REQUIREMENT_WARNING))) {
                 $tableRows[] = [$requirement['severity'], $requirement['title'], $requirement['value'], $requirement['description']];
             }
         }
         $io->table($tableHeader, $tableRows);
         return;
     }
     if (empty($updates)) {
         $io->info($this->trans('commands.update.debug.messages.no-updates'));
         return;
     }
     $tableHeader = [$this->trans('commands.update.debug.messages.module'), $this->trans('commands.update.debug.messages.update-n'), $this->trans('commands.update.debug.messages.description')];
     $io->info($this->trans('commands.update.debug.messages.module-list'));
     $tableRows = [];
     foreach ($updates as $module => $module_updates) {
         foreach ($module_updates['pending'] as $update_n => $update) {
             list(, $description) = explode($update_n . " - ", $update);
             $tableRows[] = [$module, $update_n, trim($description)];
         }
     }
     $io->table($tableHeader, $tableRows);
     $tableHeader = [$this->trans('commands.update.debug.messages.module'), $this->trans('commands.update.debug.messages.post-update'), $this->trans('commands.update.debug.messages.description')];
     $io->info($this->trans('commands.update.debug.messages.module-list-post-update'));
     $tableRows = [];
     foreach ($postUpdates as $module => $module_updates) {
         foreach ($module_updates['pending'] as $postUpdateFunction => $message) {
             $tableRows[] = [$module, $postUpdateFunction, $message];
         }
     }
     $io->table($tableHeader, $tableRows);
 }

 /**
  * @param \Symfony\Component\Console\Input\InputInterface   $input
  * @param \Symfony\Component\Console\Output\OutputInterface $output
  */
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $io = new DrupalStyle($input, $output);
     $this->get('site')->loadLegacyFile('/core/includes/update.inc');
     $this->get('site')->loadLegacyFile('/core/includes/install.inc');
     drupal_load_updates();
     update_fix_compatibility();
     $requirements = update_check_requirements();
     $severity = drupal_requirements_severity($requirements);
     $updates = update_get_update_list();
     $io->newLine();
     if ($severity == REQUIREMENT_ERROR || $severity == REQUIREMENT_WARNING) {
         $this->populateRequirements($io, $requirements);
     } elseif (empty($updates)) {
         $io->info($this->trans('commands.update.debug.messages.no-updates'));
     } else {
         $this->populateUpdate($io, $updates);
         $this->populatePostUpdate($io);
     }
 }

 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $table = $this->getHelperSet()->get('table');
     $table->setlayout($table::LAYOUT_COMPACT);
     include_once DRUPAL_ROOT . '/core/includes/update.inc';
     include_once DRUPAL_ROOT . '/core/includes/install.inc';
     $module_handler = $this->getModuleHandler();
     drupal_load_updates();
     update_fix_compatibility();
     $updates = update_get_update_list();
     $requirements = update_check_requirements();
     $severity = drupal_requirements_severity($requirements);
     if ($severity == REQUIREMENT_ERROR || $severity == REQUIREMENT_WARNING) {
         $output->writeln('[-] <info>' . $this->trans('commands.update.debug.messages.requirements-error') . '</info>');
         $table->setHeaders([$this->trans('commands.update.debug.messages.severity'), $this->trans('commands.update.debug.messages.title'), $this->trans('commands.update.debug.messages.value'), $this->trans('commands.update.debug.messages.description')]);
         foreach ($requirements as $requirement) {
             if (isset($requirement['minimum schema']) & in_array($requirement['minimum schema'], array(REQUIREMENT_ERROR, REQUIREMENT_WARNING))) {
                 $table->addRow([$requirement['severity'], $requirement['title'], $requirement['value'], $requirement['description']]);
             }
         }
         $table->render($output);
         return;
     }
     if (empty($updates)) {
         $output->writeln('[-] <info>' . $this->trans('commands.update.debug.messages.no-updates') . '</info>');
         return;
     }
     $table->setHeaders([$this->trans('commands.update.debug.messages.module'), $this->trans('commands.update.debug.messages.update-n'), $this->trans('commands.update.debug.messages.description')]);
     $output->writeln('<info>' . $this->trans('commands.update.debug.messages.module-list') . '</info>');
     foreach ($updates as $module => $module_updates) {
         foreach ($module_updates['pending'] as $update_n => $update) {
             list(, $description) = split($update_n . " - ", $update);
             $table->addRow([$module, $update_n, trim($description)]);
         }
     }
     $table->render($output);
 }

 /**
  * Returns a database update page.
  *
  * @param string $op
  *   The update operation to perform. Can be any of the below:
  *    - info
  *    - selection
  *    - run
  *    - results
  * @param \Symfony\Component\HttpFoundation\Request $request
  *   The current request object.
  *
  * @return \Symfony\Component\HttpFoundation\Response
  *   A response object object.
  */
 public function handle($op, Request $request)
 {
     require_once $this->root . '/core/includes/install.inc';
     require_once $this->root . '/core/includes/update.inc';
     drupal_load_updates();
     update_fix_compatibility();
     if ($request->query->get('continue')) {
         $_SESSION['update_ignore_warnings'] = TRUE;
     }
     $regions = array();
     $requirements = update_check_requirements();
     $severity = drupal_requirements_severity($requirements);
     if ($severity == REQUIREMENT_ERROR || $severity == REQUIREMENT_WARNING && empty($_SESSION['update_ignore_warnings'])) {
         $regions['sidebar_first'] = $this->updateTasksList('requirements');
         $output = $this->requirements($severity, $requirements, $request);
     } else {
         switch ($op) {
             case 'selection':
                 $regions['sidebar_first'] = $this->updateTasksList('selection');
                 $output = $this->selection($request);
                 break;
             case 'run':
                 $regions['sidebar_first'] = $this->updateTasksList('run');
                 $output = $this->triggerBatch($request);
                 break;
             case 'info':
                 $regions['sidebar_first'] = $this->updateTasksList('info');
                 $output = $this->info($request);
                 break;
             case 'results':
                 $regions['sidebar_first'] = $this->updateTasksList('results');
                 $output = $this->results($request);
                 break;
                 // Regular batch ops : defer to batch processing API.
             // Regular batch ops : defer to batch processing API.
             default:
                 require_once $this->root . '/core/includes/batch.inc';
                 $regions['sidebar_first'] = $this->updateTasksList('run');
                 $output = _batch_page($request);
                 break;
         }
     }
     if ($output instanceof Response) {
         return $output;
     }
     $title = isset($output['#title']) ? $output['#title'] : $this->t('Drupal database update');
     return $this->bareHtmlPageRenderer->renderBarePage($output, $title, 'maintenance_page', $regions);
 }

    require_once DRUPAL_ROOT . '/includes/install.inc';
    require_once DRUPAL_ROOT . '/includes/file.inc';
    require_once DRUPAL_ROOT . '/modules/system/system.install';
    // Load module basics.
    include_once DRUPAL_ROOT . '/includes/module.inc';
    $module_list['system']['filename'] = 'modules/system/system.module';
    $module_list['filter']['filename'] = 'modules/filter/filter.module';
    module_list(TRUE, FALSE, $module_list);
    drupal_load('module', 'system');
    drupal_load('module', 'filter');
    // Set up $language, since the installer components require it.
    drupal_init_language();
    // Set up theme system for the maintenance page.
    drupal_maintenance_theme();
    // Check the update requirements for Drupal.
    update_check_requirements();
    // Redirect to the update information page if all requirements were met.
    install_goto('update.php?op=info');
}
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
drupal_maintenance_theme();
// Turn error reporting back on. From now on, only fatal errors (which are
// not passed through the error handler) will cause a message to be printed.
ini_set('display_errors', TRUE);
// Only proceed with updates if the user is allowed to run them.
if ($update_access_allowed) {
    include_once DRUPAL_ROOT . '/includes/install.inc';
    include_once DRUPAL_ROOT . '/includes/batch.inc';
    drupal_load_updates();
    update_fix_d7_requirements();
    update_fix_compatibility();

drupal_maintenance_theme();
// Turn error reporting back on. From now on, only fatal errors (which are
// not passed through the error handler) will cause a message to be printed.
ini_set('display_errors', TRUE);
// Only proceed with updates if the user is allowed to run them.
if (update_access_allowed()) {
    include_once DRUPAL_ROOT . '/includes/install.inc';
    include_once DRUPAL_ROOT . '/includes/batch.inc';
    drupal_load_updates();
    update_fix_compatibility();
    // Check the update requirements for all modules. If there are warnings, but
    // no errors, skip reporting them if the user has provided a URL parameter
    // acknowledging the warnings and indicating a desire to continue anyway. See
    // drupal_requirements_url().
    $skip_warnings = !empty($_GET['continue']);
    update_check_requirements($skip_warnings);
    $op = isset($_REQUEST['op']) ? $_REQUEST['op'] : '';
    switch ($op) {
        // update.php ops.
        case 'selection':
            if (isset($_GET['token']) && drupal_valid_token($_GET['token'], 'update')) {
                $output = update_selection_page();
                break;
            }
        case 'Apply pending updates':
            if (isset($_GET['token']) && drupal_valid_token($_GET['token'], 'update')) {
                // Generate absolute URLs for the batch processing (using $base_root),
                // since the batch API will pass them to url() which does not handle
                // update.php correctly by default.
                $batch_url = $base_root . drupal_current_script_url();
                $redirect_url = $base_root . drupal_current_script_url(array('op' => 'results'));

    require_once DRUPAL_ROOT . '/includes/install.inc';
    require_once DRUPAL_ROOT . '/includes/file.inc';
    require_once DRUPAL_ROOT . '/modules/system/system.install';
    // Load module basics.
    include_once DRUPAL_ROOT . '/includes/module.inc';
    $module_list['system']['filename'] = 'modules/system/system.module';
    $module_list['filter']['filename'] = 'modules/filter/filter.module';
    module_list(TRUE, FALSE, $module_list);
    drupal_load('module', 'system');
    drupal_load('module', 'filter');
    // Set up $language, since the installer components require it.
    drupal_init_language();
    // Set up theme system for the maintenance page.
    drupal_maintenance_theme();
    // Check the update requirements for Drupal.
    $warnings = update_check_requirements();
    // Display the warning messages (if any) in a dedicated maintenance page,
    // or redirect to the update information page if no message.
    if ($warnings) {
        drupal_maintenance_theme();
        print theme('update_page', '<form method="post" action="update.php?op=info"><input type="submit" value="Continue" /></form>', FALSE);
        exit;
    }
    // Write D7 settings file.
    update_check_d7_settings();
    install_goto('update.php?op=info');
}
update_prepare_d7_bootstrap();
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
drupal_maintenance_theme();
// Turn error reporting back on. From now on, only fatal errors (which are