Snippets

Just add  {{ drupal_breakpoint() }} and enable debug in PHPStorm or VSCode

/**
 * {@inheritdoc}
 */
public function buildForm(array $form, FormStateInterface $form_state) {
 $form['actions'] = [
   '#type' => 'actions',
 ];
 if ($markup = $form_state->get(

$webform_name = $variables['elements']['#configuration']['webform_id'];
if ($webform_name) {
  $suggestions[] = 'block__webform__' . $webform_name;
}

/**
* Implements hook_preprocess_HOOK().
*/
function hram_preprocess_html(&$variables) {
  $variables['html_attributes']->addClass('h-100');
}

/** @var \Drupal\Core\Entity\EntityForm $form_object */
$form_object = $form_state->getFormObject();
if ($form_object instanceof EntityForm) {
  $entity = $form_object->getEntity();
  // Do something with the entity.
}

/**
* Implements hook_theme().
*/
function mymodule_theme() {
 return [
   'my_entity' => [
     'render element' => 'elements',
   ],
 ];
}
 * Implements hook_preprocess_HOOK().
*/

use Drupal\Core\State\StateInterface;
  /**
  * The state store.
  *
  * @var \Drupal\Core\State\StateInterface
  */
 protected $state;
  /**
  * Drush command constructor.
  *
  * @param \Drupal\Core\State\StateInterface $state
  *   T

Reading State

A single value.

$val = \Drupal::state()->get('key');

Multiple key/value pairs.

$pairs = \Drupal::state()->getMultiple($keys);

Writing State

A single value.

\Drupal::state()->set('key','value');

Multiple values.

Add to file src/Entity/MyEntity.php

/**
* Defines the my entity class.
*
* @ContentEntityType(
...
*   data_table = "my_entity_field_data",
*   translatable = TRUE,
...
*   entity_keys = {
...
*     "langcode" = "langcode"
*   },
...
* )
*/

Add ->setTranslatable(TRUE) to baseFieldDefinitions. For example

Get Language ID

$language = \Drupal::languageManager()->getCurrentLanguage()->getId();

Get Language name

$language = \Drupal::languageManager()->getCurrentLanguage()->getName();