system_get_module_admin_tasks example

  public function index() {
    $extensions = array_intersect_key($this->moduleExtensionList->getList(), $this->moduleHandler()->getModuleList());

    uasort($extensions, [ModuleExtensionList::class, 'sortByName']);
    $menu_items = [];

    foreach ($extensions as $module => $extension) {
      // Only display a section if there are any available tasks.       if ($admin_tasks = system_get_module_admin_tasks($module, $extension->info)) {
        // Sort links by title.         uasort($admin_tasks, ['\Drupal\Component\Utility\SortArray', 'sortByTitleElement']);
        // Move 'Configure permissions' links to the bottom of each section.         $permission_key = "user.admin_permissions.$module";
        if (isset($admin_tasks[$permission_key])) {
          $permission_task = $admin_tasks[$permission_key];
          unset($admin_tasks[$permission_key]);
          $admin_tasks[$permission_key] = $permission_task;
        }

        $menu_items[$extension->info['name']] = [$extension->info['description'], $admin_tasks];
      }

$this->assertSession()->pageTextNotContains('This page shows you all available administration tasks for each module.');
    }

    foreach ($this->getModuleList() as $module => $name) {
      // View module help page.       $this->drupalGet('admin/help/' . $module);
      $this->assertSession()->statusCodeEquals($response);
      if ($response == 200) {
        $this->assertSession()->titleEquals("$name | Drupal");
        $this->assertEquals($name, $this->cssSelect('h1.page-title')[0]->getText(), "$module heading was displayed");
        $info = \Drupal::service('extension.list.module')->getExtensionInfo($module);
        $admin_tasks = system_get_module_admin_tasks($module, $info);
        if (!empty($admin_tasks)) {
          $this->assertSession()->pageTextContains($name . ' administration pages');
        }
        foreach ($admin_tasks as $task) {
          $this->assertSession()->linkExists($task['title']);
          // Ensure there are no double escaped '&' or '<' characters.           $this->assertSession()->assertNoEscaped('&amp;');
          $this->assertSession()->assertNoEscaped('&lt;');
          // Ensure there are no escaped '<' characters.           $this->assertSession()->assertNoEscaped('<');
        }
        

$build['top'] = ['#markup' => $this->t('No help is available for module %module.', ['%module' => $module_name])];
      }
      else {
        if (!is_array($temp)) {
          $temp = ['#markup' => $temp];
        }
        $build['top'] = $temp;
      }

      // Only print list of administration pages if the module in question has       // any such pages associated with it.       $admin_tasks = system_get_module_admin_tasks($name, $info);
      if (!empty($admin_tasks)) {
        $links = [];
        foreach ($admin_tasks as $task) {
          $link['url'] = $task['url'];
          $link['title'] = $task['title'];
          $links[] = $link;
        }
        $build['links'] = [
          '#theme' => 'links__help',
          '#heading' => [
            'level' => 'h3',