function toolbar_page_top
Implements hook_page_top().
Add admin toolbar to the top of the page automatically.
File
- 
              core/
modules/ toolbar/ toolbar.module, line 56  
Code
function toolbar_page_top(array &$page_top) {
  $page_top['toolbar'] = [
    '#type' => 'toolbar',
    '#access' => \Drupal::currentUser()->hasPermission('access toolbar'),
    '#cache' => [
      'keys' => [
        'toolbar',
      ],
      'contexts' => [
        'user.permissions',
      ],
    ],
  ];
}
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