field

/**
* Implements hook_views_pre_view().
*/
function MYMODULE_views_pre_view(ViewExecutable $view) {
 if ($view->id() === 'VIEWNAME') {
   $display_handler = $view->getDisplay();
   $fields = $display_handler->getOption('fields');
   $fields['blacklis

Add

/**
 * {@inheritdoc}
 */
public function query() {}

if you don't use any queries

Use 'views' table name ($data['views'])

$date_range = $node->get('field_date_range')->first();

$start_date = $date_range->get('value')->getValue();

$end_date = $date_range->get('end_value')->getValue();

/**
* Add new fields.
*/
function MYMODULE_update_10000() {
 $content_type = 'article';
 $csv_file_path = DRUPAL_ROOT .

/**
* Extend poll choices more than 255 characters.
*/
function poll_update_8006() {
 $connection = Database::getConnection();
 $entity_definition_update_manager = Drupal::entityDefinitionUpdateManager();
 $entity_type_id = 'poll_choice';
 // Check if we have updates for entity type.
 if

$entityType = 'node';
$fieldName = 'field_myfield';
$new_type = 'text_long';
$database = \Drupal::database();
$table = $entityType . '__' . $fieldName;
$rev_table = $entityType . '_revision__' .

 drush php-eval 'field_purge_batch(10000);'

$items = array_intersect_key($variables['content']['field_images'], array_flip(array_filter(array_keys($variables['content']['field_images']), 'is_numeric')));

use Drupal\field\Entity\FieldStorageConfig;
use Drupal\field\Entity\FieldConfig;

/**
* Implements hook_uninstall().
*/
function 

\Drupal::entityTypeManager()
 ->getStorage('entity_view_display')
 ->load('user.user.default')
 ->setComponent('field_notify', [
   'region' => 'hidden',
 ])->save();