Same bug as in PHP7.0.1
https://community.apachefriends.org/viewtopic.php?p=248203&sid=0d197e14e20a9a920f0de8e11a662f41
The instruction of
use_strict_mode should be set to 1
and
use_only_cookies = 1
is not helping. I also restarted many times. Is it just me ?