FormState::has

public FormState::has($property)

Determines if an arbitrary property is present.

Parameters

string $property: Properties are often stored as multi-dimensional associative arrays. If $property is a string, it will return isset($storage[$property]). If $property is an array, each element of the array will be used as a nested key. If $property = ['foo', 'bar'] it will return isset($storage['foo']['bar']).

Overrides FormStateInterface::has

File

core/lib/Drupal/Core/Form/FormState.php, line 930

Class

FormState

Stores information about the state of a form.

Namespace

Drupal\Core\Form

Code

public function has($property) {
  $exists = NULL;
  NestedArray::getValue($this->storage, (array) $property, $exists);
  return $exists;
}