php 怎么获取所有的 sessionid ?或获取所有的session

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Release: 2020-08-01 09:24:50
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php 怎么获取所有的 sessionid ?或获取所有的session

php怎么获取所有的sessionid?或获取所有的session

session php

------解决方案--------------------

怎么没人回呢??

------解决方案--------------------

print_r($_SESSION);

------解决方案--------------------

所有的用户需要session数据库甚至一个session管理系统

google一下,有前人努力的成果

------解决方案--------------------

session的高级用法,把session写到memcache或数据库里,就可以实现了

session php
------解决方案--------------------
怎么没人回呢??
------解决方案--------------------
print_r($_SESSION);
------解决方案--------------------
所有的用户需要session数据库甚至一个session管理系统
google一下,有前人努力的成果
------解决方案--------------------
session的高级用法,把session写到memcache或数据库里,就可以实现了
------解决方案--------------------
class Session {
private static $handler=null;
private static $ip=null;
private static $lifetime=null;
private static $time=null;
//初始化变量;
private static function init($handler){
self::$handler=$handler;
//$_SERVER["REMOTE_ADDR"]获取客户端路由地址;
self::$ip = !empty($_SERVER["REMOTE_ADDR"]) ? $_SERVER["REMOTE_ADDR"] : 'unknown';
//ini_get()获取配置文件变量;
self::$lifetime=ini_get('session.gc_maxlifetime');
self::$time=time();
}
static function start(PDO $pdo){
self::init($pdo);
//_CLASS_  代表本类;
session_set_save_handler(
array(__CLASS__,"open"),
array(__CLASS__,"close"),
array(__CLASS__,"read"),
array(__CLASS__,"write"),
array(__CLASS__,"destroy"),
array(__CLASS__,"gc")
);
session_start();
}
public static function open($path, $name){
return true;
}
public static function close(){
return true;
}
public static function read($PHPSESSID){
$sql="select PHPSESSID, update_time, client_ip, data from session where PHPSESSID= ?";
$stmt=self::$handler->prepare($sql);
$stmt->execute(array($PHPSESSID));
if(!$result=$stmt->fetch(PDO::FETCH_ASSOC)){
return '';
}
if( self::$ip  != $result["client_ip"]){
self::destroy($PHPSESSID);
return '';
}
if(($result["update_time"] + self::$lifetime) < self::$time ){
self::destroy($PHPSESSID);
return &#39;&#39;;
}
return $result[&#39;data&#39;];
}
public static function write($PHPSESSID, $data){
$sql="select PHPSESSID, update_time, client_ip, data from session where PHPSESSID= ?";
$stmt=self::$handler->prepare($sql);
$stmt->execute(array($PHPSESSID));
if($result=$stmt->fetch(PDO::FETCH_ASSOC)){
if($result[&#39;data&#39;] != $data 
------解决方案--------------------
 self::$time > ($result[&#39;update_time&#39;]+30)){
$sql="update session set update_time = ?, data =? where PHPSESSID = ?";
$stm=self::$handler->prepare($sql);
$stm->execute(array(self::$time, $data, $PHPSESSID));
}
}else{
if(!empty($data)){
$sql="insert into session(PHPSESSID, update_time, client_ip, data) values(?,?,?,?)";
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