hidden field in php

Question

For hidden fields, can i use a field of the type

\"/>

an

Answer 1

Can I use a field of the type ... and retrieve it after the GET / POST method ...

Yes (haven't you tried?)

Are there any other ways of using hidden fields in PHP?

You mean other ways of retrieving the value? No.
Of course you can use hidden fields for what ever you want.

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Btw. input fiels have no end tag. So write either just or as self-closing tag .