Same name and namespace in other branches
  1. 8.9.x core/core.services.yml \form_error_handler
  2. 9 core/core.services.yml \form_error_handler

Class

Drupal\Core\Form\FormErrorHandler
1 string reference to form_error_handler
InlineFormErrorsServiceProvider::alter in core/modules/inline_form_errors/src/InlineFormErrorsServiceProvider.php
Modifies existing service definitions.

File

core/core.services.yml
core/core.services.yml

View source 
  1. class: Drupal\Core\Form\FormErrorHandler