【问题标题】:php session_start() ignores already created sessionsphp session_start() 忽略已经创建的会话
【发布时间】:2017-05-20 11:49:17
【问题描述】:

我已经建立了一个本地网络服务器并投入了一个我一直在从事的项目(代码已经在工作)。

我看到的问题是session_start() 忽略了已经创建的会话并继续创建新的会话(每次单击链接或刷新页面时我都可以看到一个新文件),即使会话变量被写入文件。

会话文件夹归 http 用户所有(php-fpm 配置中的默认文件夹)。

这是来自 php.ini 的会话配置:

session.save_handler = files
session.save_path = "/srv/http/sessions"
session.use_strict_mode = 1
session.use_cookies = 1
session.cookie_secure = 1
session.use_only_cookies = 1
session.name = PHPSESSID
session.auto_start = 0
session.cookie_lifetime = 0
session.cookie_path = /
session.cookie_domain =
session.cookie_httponly = 1
session.serialize_handler = php
session.gc_probability = 1
session.gc_divisor = 1000
session.gc_maxlifetime = 1440
session.referer_check =
session.cache_limiter = nocache
session.cache_expire = 180
session.use_trans_sid = 0
session.hash_function = 0
session.hash_bits_per_character = 5

有人知道怎么回事吗?

这是启动会话的函数:

public static function sec_session_start() {
    if (ini_set('session.use_only_cookies', 1) === FALSE) {
        $session_error = 'Error: Cannot create new user session.';
        return $session_error;
    }
    else {
        $session_name   = 'session_id';
        $domain         = 'domain.com';
        $secure         = TRUE;
        $httpOnly       = TRUE;                         // prevents cookie theft

        // Get the current cookies params.
        $cookieParams = session_get_cookie_params();
        // Set the current cookies params.
        session_set_cookie_params($cookieParams['lifetime'], $cookieParams['path'], $domain, $secure, $httpOnly);

        // Sets the session name to the one set above.
        session_name($session_name);
        session_start();                                // Start the PHP session

        if (!isset($_SESSION['CREATED'])) {
            $_SESSION['CREATED'] = time();
        } else if ((time() - $_SESSION['CREATED']) > 1800) {
            // session started more than 30 minutes ago
            session_regenerate_id(TRUE);                // change session ID for the current session and invalidate old session ID
            $_SESSION['CREATED'] = time();              // update creation time
        }
/*
        $hasExpired = FALSE;

        if (isset($_SESSION['staff_id'], $_SESSION['LAST_ACTIVITY']) && (time() - $_SESSION['LAST_ACTIVITY']) > 9999) {  // 300 (5 mins)
            // last request was more than 5 minutes ago
            $_SESSION = array();                        // unset $_SESSION variable for the run-time
            $params = session_get_cookie_params();      // Get session parameters
            setcookie(session_name(),                   // Delete the actual cookie
                      '',
                      time() - 3600,
                      $params["path"],
                      $params["domain"],
                      $params["secure"],
                      $params["httponly"]);
            session_destroy();                          // destroy session data in storage

            $hasExpired = TRUE;                         // now we know the user has lost his session for inactivity
        }

        $_SESSION['LAST_ACTIVITY'] = time();            // update last activity time stamp*/
    }

    //return $hasExpired;
}

【问题讨论】:

  • 当然可以,但我已经说过代码在旧主机中运行,而且非常通用。
  • PHP 版本是多少?
  • 7.0.14,我在 Manjaro(Arch Linux)上。

标签: php session


【解决方案1】:

我的错,忘记将 COOKIE 添加到 variables_order 指令中:

variables_order = "GPCS"

这意味着服务器需要访问 cookie 才能真正知道当前会话(对于用户)是否已经存在,否则无法知道。

【讨论】:

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