public FormState::cleanValues() Removes

public FormState::isMethodType($method_type) Returns

The array of values as they were submitted by the user. These are raw and unvalidated, so should not be used without a thorough understanding

Stores information about the state of a form. Hierarchy class \Drupal\Core\Form\

Normally, after the entire form processing is completed and submit handlers have run, a form is considered to be done and

The form element that triggered submission, which may or may not be a button (in the case of Ajax forms). This key is often used to distinguish between various buttons in a

public FormState::setRebuild($rebuild = TRUE) Sets

Holds temporary data accessible during the current page request only. All $form_state properties that are not reserved keys (see other properties

An associative array of form value keys to be removed by cleanValues(). Any values that are temporary but must still be displayed as values

public FormState::setBuildInfo(array $build_info) Sets