vendor/symfony/property-access/Symfony/Component/PropertyAccess/PropertyPathIterator.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\PropertyAccess;
  13
  14 /**
  15  * Traverses a property path and provides additional methods to find out
  16  * information about the current element
  17  *
  18  * @author Bernhard Schussek <bschussek@gmail.com>
  19  */
  20 class PropertyPathIterator extends \ArrayIterator implements PropertyPathIteratorInterface
  21 {
  22     /**
  23      * The traversed property path
  24      * @var PropertyPathInterface
  25      */
  26     protected $path;
  27
  28     /**
  29      * Constructor.
  30      *
  31      * @param PropertyPathInterface $path The property path to traverse
  32      */
  33     public function __construct(PropertyPathInterface $path)
  34     {
  35         parent::__construct($path->getElements());
  36
  37         $this->path = $path;
  38     }
  39
  40     /**
  41      * {@inheritdoc}
  42      */
  43     public function isIndex()
  44     {
  45         return $this->path->isIndex($this->key());
  46     }
  47
  48     /**
  49      * {@inheritdoc}
  50      */
  51     public function isProperty()
  52     {
  53         return $this->path->isProperty($this->key());
  54     }
  55 }