Updated Drupal to 8.6. This goes with the following updates because it's possible...
[yaffs-website] / web / core / lib / Drupal / Core / Form / FormInterface.php
index 2cafbebfa0285d30bb1da8ec60ad5ec1eeb313b7..4754a9a25ae9382d7a68bc0ddd4c3d1d37ab6f12 100644 (file)
@@ -12,6 +12,10 @@ interface FormInterface {
   /**
    * Returns a unique string identifying the form.
    *
+   * The returned ID should be a unique string that can be a valid PHP function
+   * name, since it's used in hook implementation names such as
+   * hook_form_FORM_ID_alter().
+   *
    * @return string
    *   The unique string identifying the form.
    */