views_test_config.module

<?php


/**
 * @file
 * Contains the "views_test_config" module main functionality.
 */
use Drupal\views\Plugin\views\cache\CachePluginBase;
use Drupal\views\ViewExecutable;

/**
 * Implements hook_ENTITY_TYPE_load().
 */
function views_test_config_view_load(array $views) {
    // Emulate a severely broken view: this kind of view configuration cannot be
    // saved, it can likely be returned only by a corrupt active configuration.
    $broken_view_id = \Drupal::state()->get('views_test_config.broken_view');
    if (isset($views[$broken_view_id])) {
        $display =& $views[$broken_view_id]->getDisplay('default');
        $display['display_options']['fields']['id_broken'] = NULL;
    }
}

/**
 * Implements hook_views_post_render().
 */
function views_test_config_views_post_render(ViewExecutable $view, &$output, CachePluginBase $cache) {
    if (\Drupal::state()->get('views_test_config.views_post_render_cache_tag')) {
        \Drupal::state()->set('views_test_config.views_post_render_called', TRUE);
        // Set a cache key on output to ensure ViewsSelection::stripAdminAndAnchorTagsFromResults
        // correctly handles elements that aren't result rows.
        $output['#cache']['tags'][] = 'foo';
    }
}