Fatal error: Class CI_Session_files_driver contains 1 abstract method and must there

This is strange because I am running Windows 10 Pro with XAMPP PHP version 7.1.7 and I have had no problems
with the Sessions Library. I do use Vhosts and file sessions.

One thing you do need to do with Windows is to go into your Control Panel and setup all of your
Environment variable paths to php etc;

Windows 10 might not be affected, I haven't seen anybody using it that has been affected. As I said - most run Windows 7, and I only said "most" because I don't remember all cases; it might as well be only Windows 7.

Also, this has zero to do with sessions. It just so happens that the error is triggered for CI_Session classes in CodeIgniter, but Slim, Pimple, Symfony users have also experienced the issue with various different classes.

Thanks @Narf, I just thought maybe it was an environment configuration problem.

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Joined CodeIgniter Community 2009.  ( Skype: insitfx )