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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Form\FormValidatorInterface. | |
| */ | |
| namespace Drupal\Core\Form; | |
| /** | |
| * Provides an interface for validating form submissions. | |
| */ | |
| interface FormValidatorInterface { | |
| /** | |
| * Executes custom validation handlers for a given form. | |
| * | |
| * Button-specific handlers are checked first. If none exist, the function | |
| * falls back to form-level handlers. | |
| * | |
| * @param $form | |
| * An associative array containing the structure of the form. | |
| * @param $form_state | |
| * The current state of the form. If the user submitted the form by clicking | |
| * a button with custom handler functions defined, those handlers will be | |
| * stored here. | |
| */ | |
| public function executeValidateHandlers(&$form, FormStateInterface &$form_state); | |
| /** | |
| * Validates user-submitted form data in the $form_state. | |
| * | |
| * @param $form_id | |
| * A unique string identifying the form for validation, submission, | |
| * theming, and hook_form_alter functions. | |
| * @param $form | |
| * An associative array containing the structure of the form, which is | |
| * passed by reference. Form validation handlers are able to alter the form | |
| * structure (like #process and #after_build callbacks during form building) | |
| * in case of a validation error. If a validation handler alters the form | |
| * structure, it is responsible for validating the values of changed form | |
| * elements in $form_state->getValues() to prevent form submit handlers from | |
| * receiving unvalidated values. | |
| * @param $form_state | |
| * The current state of the form. The current user-submitted data is stored | |
| * in $form_state->getValues(), though form validation functions are passed | |
| * an explicit copy of the values for the sake of simplicity. Validation | |
| * handlers can also use $form_state to pass information on to submit | |
| * handlers. For example: | |
| * $form_state->set('data_for_submission', $data); | |
| * This technique is useful when validation requires file parsing, | |
| * web service requests, or other expensive requests that should | |
| * not be repeated in the submission step. | |
| */ | |
| public function validateForm($form_id, &$form, FormStateInterface &$form_state); | |
| /** | |
| * Sets a form_token error on the given form state. | |
| * | |
| * @param \Drupal\Core\Form\FormStateInterface $form_state | |
| * The current state of the form. | |
| * | |
| * @return $this | |
| */ | |
| public function setInvalidTokenError(FormStateInterface $form_state); | |
| } |