public function FormState::hasTemporaryValue

public FormState::hasTemporaryValue($key)

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 800

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;
}