<?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;
/**
* Parameter represents a parameter reference.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Parameter
{
private $id;
/**
* @param string $id The parameter key
*/
public function __construct($id)
{
$this->id = $id;
}
/**
* @return string The parameter key
*/
public function __toString()
{
return (string) $this->id;
}
}