Load Joomla! 5.2 framework from external file

I need to instantiate the Joomla! 5.2 framework from an external file, but I can’t get it to work.

Load Joomla! 5.2 framework from external file

I need to instantiate the Joomla! 5.2 framework from an external file, but I can’t get it to work.

Load Joomla! 5.2 framework from external file

I need to instantiate the Joomla! 5.2 framework from an external file, but I can’t get it to work.

please fixed the code to work on pure php

https://file.io/TXxJe9anh6WD