public function FormState::hasTemporaryValue in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Form/FormState.php \Drupal\Core\Form\FormState::hasTemporaryValue()

Determines if a temporary value is present.

Parameters

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

Overrides FormStateInterface::hasTemporaryValue

File

core/lib/Drupal/Core/Form/FormState.php, line 803

Class

FormState

Stores information about the state of a form.

Namespace

Drupal\Core\Form

Code

public function hasTemporaryValue($key) {
  $exists = NULL;
  NestedArray::getValue($this->temporary, (array) $key, $exists);
  return $exists;
}