FormState::getTemporaryValue

public &FormState::getTemporaryValue($key)

Gets an arbitrary value from temporary storage.

Parameters

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

Return value

mixed A reference to the value for that key, or NULL if the property does not exist.

Overrides FormStateInterface::getTemporaryValue

File

core/lib/Drupal/Core/Form/FormState.php, line 787

Class

FormState

Stores information about the state of a form.

Namespace

Drupal\Core\Form

Code

public function &getTemporaryValue($key) {
  $value = &NestedArray::getValue($this->temporary, (array) $key);
  return $value;
}