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   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\DependencyInjection\Argument;
  13  
  14  /**
  15   * @author Guilhem Niot <guilhem.niot@gmail.com>
  16   */
  17  final class BoundArgument implements ArgumentInterface
  18  {
  19      private static $sequence = 0;
  20  
  21      private $value;
  22      private $identifier;
  23      private $used;
  24  
  25      public function __construct($value)
  26      {
  27          $this->value = $value;
  28          $this->identifier = ++self::$sequence;
  29      }
  30  
  31      /**
  32       * {@inheritdoc}
  33       */
  34      public function getValues()
  35      {
  36          return [$this->value, $this->identifier, $this->used];
  37      }
  38  
  39      /**
  40       * {@inheritdoc}
  41       */
  42      public function setValues(array $values)
  43      {
  44          list($this->value, $this->identifier, $this->used) = $values;
  45      }
  46  }