<?php

/*
 * This file is part of Twig.
 *
 * (c) 2015 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Implements a no-cache strategy.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Twig_Cache_Null implements Twig_CacheInterface
{
  /**
   * {@inheritdoc}
   */
  public function generateKey($name, $className)
  {
    return '';
  }

  /**
   * {@inheritdoc}
   */
  public function write($key, $content) {}

  /**
   * {@inheritdoc}
   */
  public function load($key) {}

  /**
   * {@inheritdoc}
   */
  public function getTimestamp($key)
  {
    return 0;
  }
}
