Variable.php

<?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\DependencyInjection;


/**
 * Represents a variable.
 *
 *     $var = new Variable('a');
 *
 * will be dumped as
 *
 *     $a
 *
 * by the PHP dumper.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class Variable {
  private $name;

  /**
   * Constructor
   *
   * @param string $name
   */
  public function __construct($name) {
    $this->name = $name;
  }

  /**
   * Converts the object to a string
   *
   * @return string
   */
  public function __toString() {
    return $this->name;
  }

}