hook_views_preview_info_alter

hook_views_preview_info_alter(array &$rows, ViewExecutable $view)

Alter the view preview information.

The view preview information is optionally displayed when a view is previewed in the administrative UI. It includes query and performance statistics.

Parameters

array $rows: An associative array with two keys:

• query: An array of rows suitable for '#type' => 'table', containing information about the query and the display title and path.
• statistics: An array of rows suitable for '#type' => 'table', containing performance statistics.

\Drupal\views\ViewExecutable $view: The view object.

See also

\Drupal\views_ui\ViewUI

table.html.twig

Related topics

Hooks

Define functions that alter the behavior of Drupal core.

File

core/modules/views/views.api.php, line 915

Describes hooks and plugins provided by the Views module.

Code

function hook_views_preview_info_alter(array &$rows, ViewExecutable $view) {
  // Adds information about the tables being queried by the view to the query
  // part of the info box.
  $rows['query'][] = array(
    t('<strong>Table queue</strong>'),
    count($view->query->table_queue) . ': (' . implode(', ', array_keys($view->query->table_queue)) . ')',
  );
}