W3cubDocs

/Drupal 8

public function 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 927

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;
}

© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Form!FormState.php/function/FormState::has/8.1.x