Fionn

Thank you, Barand. I am just learning and I am not familiar with that notation (using -> to call methods).

I need help understanding what this code is doing: $alias = $this->select('url_alias', 'ua') ->fields('ua', ['alias']) ->condition('ua.source', 'node/' . $nid) ->execute() ->fetchField(); Thank you for any insight

Thanks so much for the thorough explanation gizmola. This is a big help.

I am fairly new to php coding and completely new Drupal 8 coding. I am having trouble understanding some regular notation I see in passing arguments to functions. Here is an example function mymodule_form_alter(&$form, Drupal\Core\Form\FormStateInterface $form_state, $form_id) I am not sure what "Drupal\Core\Form\FormStateInterface $form_state" means. Does is mean that $form_state will be passed in from FormStateInterface?