prestashop and wordpress using same server

[medaou]

Hi All,

Since yesterday I try to install a copy of my prestashop website  on a new server. I already have a wordpress installation on this serveur and i would like to install the prestashop on www.mywebsite.com/shop/

I got problem about php version, to install prestashop 1.7 i need php 7.0 or 7.1 but when i change for these version my wordpress is not working and I can t connect to admin anymore...and if i change for 7.2/7.3 or 7.4, my prestashop admin is not available anymore...

Somebody has a solution for this problem or do i need to install my prestashop in an other server

Thanks in advance for your help.

regards,