Maintenance on WordPress

I have been doing some basic maintenance of this wordpress site.

I have updated:

• 14 plugins,
• the wordpress version
• and the PHP version of the server (5.4 to 7.0).

For my poor memory, how to update the PHP version I’m using on CPanel: https://www.inmotionhosting.com/support/website/php/how-to-change-the-php-version-your-account-uses