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223 lines
6.7 KiB
PHP
223 lines
6.7 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think;
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class Session {
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static protected $prefix = '';
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/**
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* 设置或者获取session作用域(前缀)
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* @param string $prefix
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* @return string|void
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*/
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static public function prefix($prefix=''){
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if(empty($prefix)) {
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return self::$prefix;
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}else{
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self::$prefix = $prefix;
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}
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}
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/**
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* session初始化
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* @param array $config
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* @return void
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*/
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static public function init($config=[]) {
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if(isset($config['prefix'])){
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self::$prefix = $config['prefix'];
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}
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if(isset($config['id'])) {
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session_id($config['id']);
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}
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if(isset($config['name'])){
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session_name($config['name']);
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}
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if(isset($config['path'])) {
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session_save_path($config['path']);
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}
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if(isset($config['domain'])) {
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ini_set('session.cookie_domain', $config['domain']);
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}
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if(isset($config['expire'])) {
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ini_set('session.gc_maxlifetime', $config['expire']);
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ini_set('session.cookie_lifetime', $config['expire']);
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}
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if(isset($config['use_trans_sid'])) {
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ini_set('session.use_trans_sid', $config['use_trans_sid']?1:0);
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}
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if(isset($config['use_cookies'])) {
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ini_set('session.use_cookies', $config['use_cookies']?1:0);
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}
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if(isset($config['cache_limiter'])) {
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session_cache_limiter($config['cache_limiter']);
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}
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if(isset($config['cache_expire'])) {
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session_cache_expire($config['cache_expire']);
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}
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if(!empty($config['type'])) { // 读取session驱动
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$class = '\\think\\session\\driver\\'. ucwords(strtolower($config['type']));
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// 检查驱动类
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session_set_save_handler(new $class());
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}
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// 启动session
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if(!empty($config['auto_start'])){
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ini_set('session.auto_start', 0);
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session_start();
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}
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}
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/**
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* session设置
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* @param string $name session名称
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* @param mixed $value session值
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* @param string $prefix 作用域(前缀)
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* @return void
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*/
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static public function set($name,$value='',$prefix='') {
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$prefix = $prefix ? $prefix : self::$prefix;
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if(strpos($name,'.')){
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// 二维数组赋值
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list($name1,$name2) = explode('.',$name);
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if($prefix){
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$_SESSION[$prefix][$name1][$name2] = $value;
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}else{
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$_SESSION[$name1][$name2] = $value;
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}
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}elseif($prefix){
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$_SESSION[$prefix][$name] = $value;
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}else{
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$_SESSION[$name] = $value;
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}
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}
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/**
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* session获取
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* @param string $name session名称
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* @param string $prefix 作用域(前缀)
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* @return mixed
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*/
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static public function get($name='',$prefix='') {
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$prefix = $prefix ? $prefix : self::$prefix;
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if(''==$name){
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// 获取全部的session
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$value = $prefix ? $_SESSION[$prefix] : $_SESSION;
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}elseif($prefix){ // 获取session
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if(strpos($name,'.')){
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list($name1,$name2) = explode('.',$name);
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$value = isset($_SESSION[$prefix][$name1][$name2])?$_SESSION[$prefix][$name1][$name2]:null;
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}else{
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$value = isset($_SESSION[$prefix][$name]) ? $_SESSION[$prefix][$name] : null;
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}
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}else{
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if(strpos($name,'.')){
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list($name1,$name2) = explode('.',$name);
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$value = isset($_SESSION[$name1][$name2]) ? $_SESSION[$name1][$name2] : null;
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}else{
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$value = isset($_SESSION[$name]) ? $_SESSION[$name] : null;
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}
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}
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return $value;
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}
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/**
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* 删除session数据
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* @param string $name session名称
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* @param string $prefix 作用域(前缀)
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* @return void
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*/
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static public function delete($name,$prefix='') {
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$prefix = $prefix ? $prefix : self::$prefix;
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if(strpos($name,'.')){
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list($name1,$name2) = explode('.',$name);
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if($prefix){
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unset($_SESSION[$prefix][$name1][$name2]);
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}else{
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unset($_SESSION[$name1][$name2]);
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}
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}else{
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if($prefix){
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unset($_SESSION[$prefix][$name]);
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}else{
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unset($_SESSION[$name]);
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}
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}
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}
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/**
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* 清空session数据
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* @param string $prefix 作用域(前缀)
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* @return void
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*/
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static public function clear($prefix='') {
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$prefix = $prefix ? $prefix : self::$prefix;
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if($prefix) {
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unset($_SESSION[$prefix]);
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}else{
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$_SESSION = [];
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}
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}
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/**
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* 判断session数据
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* @param string $name session名称
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* @param mixed $value session值
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* @return boolean
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*/
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static public function has($name,$prefix='') {
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$prefix = $prefix ? $prefix : self::$prefix;
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if(strpos($name,'.')){ // 支持数组
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list($name1,$name2) = explode('.',$name);
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return $prefix ? isset($_SESSION[$prefix][$name1][$name2]) : isset($_SESSION[$name1][$name2]);
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}else{
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return $prefix ? isset($_SESSION[$prefix][$name]) : isset($_SESSION[$name]);
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}
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}
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/**
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* 暂停session
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* @return void
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*/
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static public function pause() {
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// 暂停session
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session_write_close();
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}
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/**
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* 启动session
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* @return void
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*/
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static public function start() {
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session_start();
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}
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/**
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* 销毁session
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* @return void
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*/
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static public function destroy() {
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$_SESSION = [];
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session_unset();
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session_destroy();
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}
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/**
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* 重新生成session_id
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* @return void
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*/
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static private function regenerate() {
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session_regenerate_id();
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}
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}
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