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Something wrong with session. It can't start. #13254

avitruk opened this Issue Jan 14, 2018 · 2 comments


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avitruk commented Jan 14, 2018

Expected and Actual Behavior

Hi to all.
My project was works perfect on php 5.6 + phalcon 3.1.2 (locally).
But after updating to phalcon 3.3.1 and PHP 7.2 I started to receive the error "Invalid superglobal". Here on the github I found several similar topics, from where I learned that the error is related to an un-started session. It's strange because I start the session in service registration:

$di->set('session', function () {
            $session = new SessionAdapter();
            return $session;
        }, true);

I thought that I fixed the problem by changing the configuration of the PHP in php.ini

session.auto_start = 1

But now there is new error: I have a blank screen on redirects e.g:

return $this->response->redirect('account/sign-in?next=' . $url);

And there are no any php errors. Errors log clean.

And at this moment:

$session = $this->di->get('session');
var_dump($session->isStarted()); // -> returns false

if (session_status() == PHP_SESSION_ACTIVE) { // -> returns true
      var_dump('session started');
return $this->response->redirect('account/sign-in?next=' . $url); // -> redirect didn't work

XDebug di-dump at this point: link
If I tried to start session via php session_start() I receive error, that session is already started.
So why phalcon session can't start even if it was started manually in service registering.

How to debug it? What additional information shoul I provide?

Also the project works fine on macOS with php 7.2 and Phalcon 3.3.1 So I assume that the problem with


  • Phalcon version: 3.3.1
  • PHP Version: 7.2
  • Operating System: windows
  • Installation type: .dll
  • Server: Nginx or Apache

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sergeyklay commented Apr 14, 2018


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sergeyklay commented Apr 25, 2018

Fixed in the 3.4.x branch. Feel free to open a new issue if the problem appears again. Thank you for contributing.

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