function views_post_update_filter_placeholder_text

Add placeholder settings to string or numeric filters.

File

core/modules/views/views.post_update.php, line 252

Code

function views_post_update_filter_placeholder_text() {
    // Load all views.
    $views = \Drupal::entityTypeManager()->getStorage('view')
        ->loadMultiple();
    
    /** @var \Drupal\views\Plugin\ViewsHandlerManager $filter_manager */
    $filter_manager = \Drupal::service('plugin.manager.views.filter');
    
    /* @var \Drupal\views\Entity\View[] $views */
    foreach ($views as $view) {
        $displays = $view->get('display');
        $save = FALSE;
        foreach ($displays as $display_name => &$display) {
            if (isset($display['display_options']['filters'])) {
                foreach ($display['display_options']['filters'] as $filter_name => &$filter) {
                    // Any of the children of the modified classes will also be inheriting
                    // the new settings.
                    $filter_instance = $filter_manager->getHandler($filter);
                    if ($filter_instance instanceof StringFilter) {
                        if (!isset($filter['expose']['placeholder'])) {
                            $filter['expose']['placeholder'] = '';
                            $save = TRUE;
                        }
                    }
                    elseif ($filter_instance instanceof NumericFilter) {
                        if (!isset($filter['expose']['placeholder'])) {
                            $filter['expose']['placeholder'] = '';
                            $save = TRUE;
                        }
                        if (!isset($filter['expose']['min_placeholder'])) {
                            $filter['expose']['min_placeholder'] = '';
                            $save = TRUE;
                        }
                        if (!isset($filter['expose']['max_placeholder'])) {
                            $filter['expose']['max_placeholder'] = '';
                            $save = TRUE;
                        }
                    }
                }
            }
        }
        if ($save) {
            $view->set('display', $displays);
            $view->save();
        }
    }
}