1 * 简单对称加密算法之加密
2 * @param String $string 需要加密的字串
3 * @param String $skey 加密EKY
4 * @author Anyon Zou <zoujingli@qq.com>
5 * @date 2013-08-13 19:30
6 * @update 2014-10-10 10:10
7 * @return String
8 */
9 function encode($string = '', $skey = 'cxphp') {
10 $strArr = str_split(base64_encode($string));
11 $strCount = count($strArr);
12 foreach (str_split($skey) as $key => $value)
13 $key < $strCount && $strArr[$key].=$value;
14 return str_replace(array('=', '+', '/'), array('O0O0O', 'o000o', 'oo00o'), join('', $strArr));
15 }
16 /**
17 * 简单对称加密算法之解密
18 * @param String $string 需要解密的字串
19 * @param String $skey 解密KEY
20 * @author Anyon Zou <zoujingli@qq.com>
21 * @date 2013-08-13 19:30
22 * @update 2014-10-10 10:10
23 * @return String
24 */
25 function decode($string = '', $skey = 'cxphp') {
26 $strArr = str_split(str_replace(array('O0O0O', 'o000o', 'oo00o'), array('=', '+', '/'), $string), 2);
27 $strCount = count($strArr);
28 foreach (str_split($skey) as $key => $value)
29 $key <= $strCount && isset($strArr[$key]) && $strArr[$key][1] === $value && $strArr[$key] = $strArr[$key][0];
30 return base64_decode(join('', $strArr));
31 }
