<?php namespace Illuminate\Cookie; class CookieValuePrefix { /** * Create a new cookie value prefix for the given cookie name. * * @param string $cookieName * @param string $key * @return string */ public static function create($cookieName, $key) { return hash_hmac('sha1', $cookieName.'v2', $key).'|'; } /** * Remove the cookie value prefix. * * @param string $cookieValue * @return string */ public static function remove($cookieValue) { return substr($cookieValue, 41); } }