Handles form errors.
| Name | Modifiers | Type | Description |
|---|---|---|---|
| FormErrorHandler::displayErrorMessages | protected | function | Loops through and displays all form errors. |
| FormErrorHandler::drupalSetMessage | protected | function | Wraps drupal_set_message(). |
| FormErrorHandler::handleFormErrors | public | function | Handles form errors after form validation. Overrides FormErrorHandlerInterface::handleFormErrors |
| FormErrorHandler::setElementErrorsFromFormState | protected | function | Stores the errors of each element directly on the element. |
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Form!FormErrorHandler.php/class/FormErrorHandler/8.1.x