Forward port of #5190 to master

Treat PHP Errors on User session regenerate

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

remove unnecessary lines…

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

change PHP errors to ErrorException in the session (PHP >=7)

Otherwise it might be that authentication apps are being disabled on
during operation while in fact the session handler has hiccup.

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>