<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 * @package   Zend_Filter
 */

namespace Zend\Filter;

/**
 * @category   Zend
 * @package    Zend_Filter
 */
interface FilterInterface
{
    /**
     * Returns the result of filtering $value
     *
     * @param  mixed $value
     * @throws Exception\RuntimeException If filtering $value is impossible
     * @return mixed
     */
    public function filter($value);
}
