<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template filter.
*
* @package twig
* @author Fabien Potencier <fabien@symfony.com>
*/
interface Twig_FilterInterface
{
/**
* Compiles a filter.
*
* @return string The PHP code for the filter
*/
function compile();
function needsEnvironment();
function needsContext();
function getSafe(Twig_Node $filterArgs);
function getPreservesSafety();
function getPreEscape();
function setArguments($arguments);
function getArguments();
}