* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Form\Util; /** * Iterator that traverses an array of forms. * * Contrary to \ArrayIterator, this iterator recognizes changes in the original * array during iteration. * * You can wrap the iterator into a {@link \RecursiveIteratorIterator} in order to * enter any child form that inherits its parent's data and iterate the children * of that form as well. * * @author Bernhard Schussek */ class InheritDataAwareIterator extends \IteratorIterator implements \RecursiveIterator { /** * {@inheritdoc} * * @return static */ #[\ReturnTypeWillChange] public function getChildren() { return new static($this->current()); } /** * @return bool */ #[\ReturnTypeWillChange] public function hasChildren() { return (bool) $this->current()->getConfig()->getInheritData(); } }