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243 lines
7.0 KiB
PHP
243 lines
7.0 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) 2006~2016 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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{
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protected static $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 $prefix
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* @return string|void
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*/
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public static function prefix($prefix = '')
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{
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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 $config
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* @return void
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*/
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public static function init($config = [])
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{
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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']) && !empty($config['id'])) {
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session_id($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'])) {
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// 读取session驱动
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$class = (!empty($config['namespace']) ? $config['namespace'] : '\\think\\session\\driver\\') . strtolower($config['type']);
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// 检查驱动类
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if (!session_set_save_handler(new $class())) {
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throw new Exception('error session handler', 11700);
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}
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}
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// 启动session
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if (!empty($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 $prefix 作用域(前缀)
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* @return void
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*/
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public static function set($name, $value = '', $prefix = '')
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{
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$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 $prefix 作用域(前缀)
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* @return mixed
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*/
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public static function get($name = '', $prefix = '')
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{
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$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) {
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// 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 $prefix 作用域(前缀)
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* @return void
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*/
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public static function delete($name, $prefix = '')
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{
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$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 $prefix 作用域(前缀)
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* @return void
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*/
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public static function clear($prefix = '')
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{
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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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*
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* @param string $name session名称
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* @param string $prefix
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*
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* @return bool
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* @internal param mixed $value session值
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*/
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public static function has($name, $prefix = '')
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{
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$prefix = $prefix ? $prefix : self::$prefix;
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if (strpos($name, '.')) {
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// 支持数组
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list($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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public static function pause()
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{
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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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public static function start()
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{
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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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public static function destroy()
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{
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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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private static function regenerate()
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{
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session_regenerate_id();
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}
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}
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