We have PHP version 5.6, but that is because our old shop is also on that same domain/hosting, and that old shop is 1.6.1.
We can choose every PHP version between 5.6 and 7.4.
But we can not use it until this new shop is up and running! 
Yes, cleared cache, no did not put it in debug modus yet.
Edit History
We have PHP version 5.6, but that is because our old shop is also on that same domain/hosting, and that old shop is 1.6.1.
We can choose every PHP version between 5.6 and 7.4.
But we can not use it until this new shop is up and running!
Yes, cleared cache, not did not put it in debug modus yet.