To change the active PHP version, follow these steps:
Log in to your Enhance control panel, go to Products & Services > Hosting & Servers, locate your Enhance Shared Hosting account, then click Login to Control Panel.
In the left sidebar, click Websites:
On the Manage websites page, click the website you want to manage.
A list of tabs appears at the top of the page. Click the Advanced tab, and then click Developer tools:
In the PHP section, in the Version list box, select the PHP version you want to use for your site:
Click Update.
Make sure the new PHP version is compatible with any applications you are running. Otherwise, your website may not work correctly.