Please find the steps to manage the PHP settings for sub-domain from your Plesk control panel:
- Login To Plesk control panel.
- Go to the Website & Domains.
- Locate the name of the subdomain you wish to change the PHP version for.
- Click the PHP Settings.
- Click on PHP support version drop-down and select for the PHP version 7.3.13 or any other version whichever one you require and on the
- same page you can customize all the PHP settings compatible for the domain.
Click OK.
Related plesk kb article at https://support.plesk.com/hc/en-us/articles/115002681053-How-to-change-PHP-version-for-a-domain-in-Plesk-
In case you do not have PHP change option editable please contact our support team and they will change/update your PHP version to help you. Our helpdesk email id is support@webji.services