Creating a html form input with the 'html-output' in php

I have looked and tried to find the answer to my question, read all the issues, read me file and I don't seem to find anywhere that tells me how I can create a variable in php with the data?

`$htmltxt = $_REQUEST['pout']; `

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I understand php better than javascript, how do I send html-output to the form or how do I request it from php?

Answers would be helpful and adding this info to the readme file will be immensely useful.

If anyone wants to supply the answers I will even write the how to...

Thanks and Regards
Guy

Start with the README and the HTML form and PHP snippets in this issue to determine how the editor's html output is exposed and submitted. Done means adding clear README guidance that explains the PHP form/request flow, including how to retrieve the submitted output.

Written by the indexing model from the issue text.