overview
Managing PHP extensions is important for improving the performance, security, and compatibility of your applications. By enabling or disabling specific extensions, you can customize your PHP environment to fit the needs of your projects.
This guide will help you to allows you to Enable / Disable Extensions for Select PHP Verison.
Navigate to the Home > Apps > PHP Extensions
You can refer to the Custom Extension Docs to add custom Extensions in php.
https://webuzo.com/docs/how-tos/custom-php-extensions/