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{"lastUpload":"2018-12-13T06:36:50.772Z","extensionVersion":"v3.2.3"}

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{"lastUpload":"2019-07-03T20:29:39.254Z","extensionVersion":"v3.2.9"}

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use Drupal\node\Entity\Node;
 
$render = [];
$entity_type_manager = \Drupal::entityTypeManager();
$entity = $entity_type_manager->getStorage($entity_type)->load($entity_id);
$fields = [
  'body',
  'field_example'
];
if ($entity) {

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<?php

/**
 * FileGenerator.
 */
trait FileGeneratorTrait
{
  public static function generateFile() {
    echo "generating file \n";
  }

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<?php

class DebugTest extends YourBrokenTest {

  /**
   * Overrides a broken test method and saves HTML at the point of failure.
   */
  public function testName() {
    try {
      parent::testName();

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Symfony Service container cheetsheet:

https://symfony.com/doc/current/service_container.html

Passing arguments to service:

services:
  site_update_manager.superadmin:
    class: App\Updates\SiteUpdateManager
 # you CAN still use autowiring: we just want to show what it looks like without

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Drupal 8 Entity API cheat sheet

The examples here contain some hard-coded IDs. These are all examples. In your real code, you should already have the node IDs, file IDs, etc. in a variable.

Working with nodes

Load a node by NID:

$nid = 123;     // example value
$node_storage = \Drupal::entityTypeManager()->getStorage('node');
$node = $node_storage->load($nid);

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jQuery(document).ready(function(){
  jQuery('#edit-default-value-input-field-email-0-value').on('input', function(event){
  var constraint = new RegExp(/^\[[\w\d][\w\d_\-]*:[\w\d_\-]*\]$/);
    if (constraint.test(event.target.value)) {
        console.log(event.target);
        this.setCustomValidity('');
    }
    else {
      console.log(event.target);
      this.setCustomValidity('This is not a valid token');

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Create file at ~/console/chain/generate-controller-form-render.yml containing:

command:
  name: 'generate:controller:form:render'
  description: 'Controller + Form generator'
commands:
  - command: 'generate:module'
    options:
        module: example

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du -cks * | sort -rn | head -11

# Usually set this up in my bash profile as an alias:

# alias ducks='du -cks * | sort -rn | head -11'

# Because it is fun to type ducks on the command line. :)