Sign in to the customer portal using your MY user and password.

Navigate to the Web & Mail Control Panel.

Accessing the Web & Mail Control Panel

Once inside of your Web & Mail Control Panel, select the option titled Domains on your left-hand side navigation pane.

Here you will find all of your domains listed that you have connected with your hosting package.

Click on the button Actions to your right for the corresponding domain.

Select the option PHP Settings.

Note: If you would like to know more about Domain settings, click on the guide down below.
Domain Settings (Domain Assigned to Hosting Package)

You are now inside of the PHP Settings page.