I read How do I find the search block form ID? several days ago. I want to use the answer given there in my project.
Where should I add this code in my project? Where can I find more information about it?
$form =\Drupal::service('class_resolver')-getInstanceFromDefinition('Drupal\mymodule\Form\Mymodule\SearchBlockForm'); $form->setFormIdentifier('some_custom_value'); return \Drupal::formBuilder()->getForm($form);
The key line of code here is this one:
Can you explain me what the code does?