<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Zend\Filter;

/**
 * Decrypts a given string
 */
class Decrypt extends Encrypt
{
    /**
     * Defined by Zend\Filter\Filter
     *
     * Decrypts the content $value with the defined settings
     *
     * @param  string $value Content to decrypt
     * @return string The decrypted content
     */
    public function filter($value)
    {
        if (!is_string($value)) {
            return $value;
        }

        return $this->adapter->decrypt($value);
    }
}
