<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Interface all loaders must implement.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

interface Twig_LoaderInterface

{

    /**

     * Gets the source code of a template, given its name.

     *

     * @param  string $name The name of the template to load

     *

     * @return string The template source code

     */

    function getSource($name);

    /**

     * Gets the cache key to use for the cache for a given template name.

     *

     * @param  string $name The name of the template to load

     *

     * @return string The cache key

     */

    function getCacheKey($name);

    /**

     * Returns true if the template is still fresh.

     *

     * @param string    $name The template name

     * @param timestamp $time The last modification time of the cached template

     */

    function isFresh($name, $time);

}