php强制cookies,php Cookies操作类(附源码)
本cookies操作類(lèi)的功能，包括：
1，保存，讀取，更新，清除cookies數(shù)據(jù)。
2，可設(shè)置前綴。
3，強(qiáng)制超時(shí)控制。
4，cookies數(shù)據(jù)可以是字符串，數(shù)組，對(duì)象等。
1，PHP cookies操作類(lèi) Cookies.class.php
復(fù)制代碼 代碼示例:
/** Cookies class 保存,讀取,更新,清除cookies數(shù)據(jù)。可設(shè)置前綴。強(qiáng)制超時(shí)。數(shù)據(jù)可以是字符串,數(shù)組,對(duì)象等。
*?? Date:?? 2013-12-22
*?? Author: fdipzone
*?? Ver:??? 1.0
*?? Edit: www.jbxue.com
*?? Func:
*?? public?? set??????? 設(shè)置cookie
*?? public?? get??????? 讀取cookie
*?? public?? update???? 更新cookie
*?? public?? clear????? 清除cookie
*?? public?? setPrefix? 設(shè)置前綴
*?? public?? setExpire? 設(shè)置過(guò)期時(shí)間
*?? private? authcode?? 加密/解密
*?? private? pack?????? 將數(shù)據(jù)打包
*?? private? unpack???? 將數(shù)據(jù)解包
*?? private? getName??? 獲取cookie name,增加prefix處理
*/
class Cookies{ // class start
private $_prefix = '';????????????????????????????????????????????????? // cookie prefix
private $_securekey = 'ekOt4_Ut0f3XE-fJcpBvRFrg506jpcuJeixezgPNyALm';?? // encrypt key
private $_expire = 3600;??????????????????????????????????????????????? // default expire
/** 初始化
* @param String $prefix???? cookie prefix
* @param int??? $expire???? 過(guò)期時(shí)間
* @param String $securekey? cookie secure key
*/
public function __construct($prefix='', $expire=0, $securekey=''){
if(is_string($prefix) && $prefix!=''){
$this->_prefix = $prefix;
}
if(is_numeric($expire) && $expire>0){
$this->_expire = $expire;
}
if(is_string($securekey) && $securekey!=''){
$this->_securekey = $securekey;
}
}
/** 設(shè)置cookie
* @param String $name?? cookie name
* @param mixed? $value? cookie value 可以是字符串,數(shù)組,對(duì)象等
* @param int??? $expire 過(guò)期時(shí)間
*/
public function set($name, $value, $expire=0){
$cookie_name = $this->getName($name);
$cookie_expire = time() + ($expire? $expire : $this->_expire);
$cookie_value = $this->pack($value, $cookie_expire);
$cookie_value = $this->authcode($cookie_value, 'ENCODE', $this->_securekey);
if($cookie_name && $cookie_value && $cookie_expire){
setcookie($cookie_name, $cookie_value, $cookie_expire);
}
}
/** 讀取cookie
* @param? String $name?? cookie name
* @return mixed????????? cookie value
*/
public function get($name){
$cookie_name = $this->getName($name);
if(isset($_COOKIE[$cookie_name])){
$cookie_value = $this->authcode($_COOKIE[$cookie_name], 'DECODE', $this->_securekey);
$cookie_value = $this->unpack($cookie_value);
return isset($cookie_value[0])? $cookie_value[0] : null;
}else{
return null;
}
}
/** 更新cookie,只更新內(nèi)容,如需要更新過(guò)期時(shí)間請(qǐng)使用set方法
* @param? String $name?? cookie name
* @param? mixed? $value? cookie value
* @return boolean
*/
public function update($name, $value){
$cookie_name = $this->getName($name);
if(isset($_COOKIE[$cookie_name])){
$old_cookie_value = $this->authcode($_COOKIE[$cookie_name], 'DECODE', $this->_securekey);
$old_cookie_value = $this->unpack($old_cookie_value);
if(isset($old_cookie_value[1]) && $old_cookie_vlaue[1]>0){ // 獲取之前的過(guò)期時(shí)間
$cookie_expire = $old_cookie_value[1];
// 更新數(shù)據(jù)
$cookie_value = $this->pack($value, $cookie_expire);
$cookie_value = $this->authcode($cookie_value, 'ENCODE', $this->_securekey);
if($cookie_name && $cookie_value && $cookie_expire){
setcookie($cookie_name, $cookie_value, $cookie_expire);
return true;
}
}
}
return false;
}
/** 清除cookie
* @param? String $name?? cookie name
*/
public function clear($name){
$cookie_name = $this->getName($name);
setcookie($cookie_name);
}
/** 設(shè)置前綴
* @param String $prefix cookie prefix
*/
public function setPrefix($prefix){
if(is_string($prefix) && $prefix!=''){
$this->_prefix = $prefix;
}
}
/** 設(shè)置過(guò)期時(shí)間
* @param int $expire cookie expire
*/
public function setExpire($expire){
if(is_numeric($expire) && $expire>0){
$this->_expire = $expire;
}
}
/** 獲取cookie name
* @param? String $name
* @return String
*/
private function getName($name){
return $this->_prefix? $this->_prefix.'_'.$name : $name;
}
/** pack
* @param? Mixed? $data????? 數(shù)據(jù)
* @param? int??? $expire??? 過(guò)期時(shí)間 用于判斷
* @return
*/
private function pack($data, $expire){
if($data===''){
return '';
}
$cookie_data = array();
$cookie_data['value'] = $data;
$cookie_data['expire'] = $expire;
return json_encode($cookie_data);
}
/** unpack
* @param? Mixed? $data 數(shù)據(jù)
* @return????????????? array(數(shù)據(jù),過(guò)期時(shí)間)
*/
private function unpack($data){
if($data===''){
return array('', 0);
}
$cookie_data = json_decode($data, true);
if(isset($cookie_data['value']) && isset($cookie_data['expire'])){
if(time()
return array($cookie_data['value'], $cookie_data['expire']);
}
}
return array('', 0);
}
/** 加密/解密數(shù)據(jù)
* @param? String $str?????? 原文或密文
* @param? String $operation ENCODE or DECODE
* @return String??????????? 根據(jù)設(shè)置返回明文活密文
*/
private function authcode($string, $operation = 'DECODE'){
$ckey_length = 4;?? // 隨機(jī)密鑰長(zhǎng)度 取值 0-32;
$key = $this->_securekey;
$key = md5($key);
$keya = md5(substr($key, 0, 16));
$keyb = md5(substr($key, 16, 16));
$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : '';
$cryptkey = $keya.md5($keya.$keyc);
$key_length = strlen($cryptkey);
$string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', 0).substr(md5($string.$keyb), 0, 16).$string;
$string_length = strlen($string);
$result = '';
$box = range(0, 255);
$rndkey = array();
for($i = 0; $i <= 255; $i++) {
$rndkey[$i] = ord($cryptkey[$i % $key_length]);
}
for($j = $i = 0; $i < 256; $i++) {
$j = ($j + $box[$i] + $rndkey[$i]) % 256;
$tmp = $box[$i];
$box[$i] = $box[$j];
$box[$j] = $tmp;
}
for($a = $j = $i = 0; $i < $string_length; $i++) {
$a = ($a + 1) % 256;
$j = ($j + $box[$a]) % 256;
$tmp = $box[$a];
$box[$a] = $box[$j];
$box[$j] = $tmp;
$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
}
if($operation == 'DECODE') {
if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {
return substr($result, 26);
} else {
return '';
}
} else {
return $keyc.str_replace('=', '', base64_encode($result));
}
}
} // class end
?>
2，演示示例 demo.php
復(fù)制代碼 代碼示例:
require 'Cookies.class.php';
$type = isset($_GET['type'])? strtolower($_GET['type']) : '';
if(!in_array($type, array('set','get','update','clear'))){
exit('type not exists');
}
$obj = new Cookies('member', 10); // obj
switch($type){
case 'set': // 設(shè)置
$data = array(
'name' => 'fdipzone',
'gender' => 'male'
);
$obj->set('me', $data, 5);
echo 'set cookies';
break;
case 'get': // 讀取
$result = $obj->get('me');
echo '
';print_r($result);
echo '
';echo 'get cookies';
break;
case 'update': // 更新
$data = array(
'name' => 'angelababy',
'gender' => 'female'
);
$flag = $obj->update('me', $data);
if($flag){
echo 'update cookies success';
}else{
echo 'update cookies false';
}
break;
case 'clear': // 清除
$obj->clear('me');
echo 'clear cookies';
break;
}
?>
附，PHP Cookies操作類(lèi)的源碼下載地址
總結(jié)
以上是生活随笔為你收集整理的php强制cookies,php Cookies操作类(附源码)的全部?jī)?nèi)容，希望文章能夠幫你解決所遇到的問(wèn)題。
- 上一篇： mysql 手动配置服务器_Win7系统
- 下一篇： 动态规划算法php,php算法学习之动态