Drupal 8 Module Development - Second Edition

The HelloWorldSalutation service

Now that we have a general idea as to what a service is, let's create one to see all this in practice.

As I mentioned earlier, I want my greetings to be more dynamic, that is, I want the salutation to depend on the time of day. So, we will create a (HelloWorldSalutation) class that is responsible for doing that and place it in the /src folder (our module's namespace root in a file naturally called HelloWorldSalutation.php):

namespace Drupal\hello_world;use Drupal\Core\StringTranslation\StringTranslationTrait;/** * Prepares the salutation to the world. */class HelloWorldSalutation {  use StringTranslationTrait;  /**   * Returns the salutation   */  public function getSalutation() {    $time = new \DateTime();    if ((int) ...