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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Util;
/**
* Traverses a property path and provides additional methods to find out
* information about the current element
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class PropertyPathIterator extends \ArrayIterator implements PropertyPathIteratorInterface
{
/**
* The traversed property path
* @var PropertyPathInterface
*/
protected $path;
/**
* Constructor.
*
* @param PropertyPathInterface $path The property path to traverse
*/
public function __construct(PropertyPathInterface $path)
{
parent::__construct($path->getElements());
$this->path = $path;
}
/**
* {@inheritdoc}
*/
public function isIndex()
{
return $this->path->isIndex($this->key());
}
/**
* {@inheritdoc}
*/
public function isProperty()
{
return $this->path->isProperty($this->key());
}
}
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