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* This file is part of the Symfony package.
* (c) Fabien Potencier <>
* 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 fields of a field group
* If the iterator encounters a virtual field group, it enters the field
* group and traverses its children as well.
* @author Bernhard Schussek <>
class VirtualFormAwareIterator extends \ArrayIterator implements \RecursiveIterator
public function getChildren()
return new self($this->current()->getChildren());
public function hasChildren()
return $this->current()->getConfig()->getVirtual();
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