1<?php 2 3/* 4 * This file is part of the Assetic package, an OpenSky project. 5 * 6 * (c) 2010-2014 OpenSky Project Inc 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12namespace Assetic\Filter; 13 14/** 15 * A filter can implement a hash function 16 * 17 * @author Francisco Facioni <fran6co@gmail.com> 18 */ 19interface HashableInterface 20{ 21 /** 22 * Generates a hash for the object 23 * 24 * @return string Object hash 25 */ 26 public function hash(); 27} 28