function FormState::has

Determines if a property is present in the form state storage.

Parameters

string|array $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 977

Class

FormState

Stores information about the state of a form.

Namespace

Code

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