public FormStateInterface::set($property, $value)
Sets a value to an arbitrary property.
string|array $property: Properties are often stored as multi-dimensional associative arrays. If $property is a string, it will use $storage[$property] = $value. If $property is an array, each element of the array will be used as a nested key. If $property = ['foo', 'bar'] it will use $storage['foo']['bar'] = $value.
mixed $value: The value to set.
$this
public function set($property, $value);
© 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!FormStateInterface.php/function/FormStateInterface::set/8.1.x