FormStateValuesTrait::getValue

public &FormStateValuesTrait::getValue($key, $default = NULL)

public function &getValue($key, $default = NULL) {
  $exists = NULL;
  $value = &NestedArray::getValue($this->getValues(), (array) $key, $exists);
  if (!$exists) {
    $value = $default;
  }
  return $value;
}