public function EntityForm::getBaseFormId

Returns a string identifying the base form.

Return value

string|null The string identifying the base form or NULL if this is not a base form.

Overrides BaseFormIdInterface::getBaseFormId

File

core/lib/Drupal/Core/Entity/EntityForm.php, line 64

Class

EntityForm

Base class for entity forms.

Namespace

Code

public function getBaseFormId() {

  // Assign ENTITY_TYPE_form as base form ID to invoke corresponding
  // hook_form_alter(), #validate, #submit, and #theme callbacks, but only if
  // it is different from the actual form ID, since callbacks would be invoked
  // twice otherwise.
  $base_form_id = $this->entity
    ->getEntityTypeId() . '_form';
  if ($base_form_id == $this
    ->getFormId()) {
    $base_form_id = NULL;
  }
  return $base_form_id;
}