class MyCustomValidator in Form API Validation 8.2
Provides a custom validation.
Field must have JonhDoe as value.
Plugin annotation
@FapiValidationValidator(
id = "custom_validator",
error_callback = "processError"
)
Hierarchy
- class \Drupal\fapiv_example\Plugin\FapiValidationValidator\MyCustomValidator implements FapiValidationValidatorsInterface
Expanded class hierarchy of MyCustomValidator
File
- fapiv_example/
src/ Plugin/ FapiValidationValidator/ MyCustomValidator.php, line 19
Namespace
Drupal\fapiv_example\Plugin\FapiValidationValidatorView source
class MyCustomValidator implements FapiValidationValidatorsInterface {
/**
* {@inheritdoc}
*/
public function validate(Validator $validator, array $element, FormStateInterface $form_state) {
return $validator
->getValue() == 'JonhDoe';
}
/**
* Process custom error.
*
* @param Drupal\fapi_validation\Validator $validator
* Validator.
* @param array $element
* Form element.
*
* @return string
* Error message.
*/
public static function processError(Validator $validator, array $element) {
$params = [
'%value' => $validator
->getValue(),
'%field' => $element['#title'],
];
return \t("You must enter 'JonhDoe' as value and not '%value' at field %field", $params);
}
}
Members
Name![]() |
Modifiers | Type | Description | Overrides |
---|---|---|---|---|
MyCustomValidator:: |
public static | function | Process custom error. | |
MyCustomValidator:: |
public | function |
Execute validation. Overrides FapiValidationValidatorsInterface:: |