How to accept users value in php??

Question

suppose i have to peform swapping of two numbers by taking users input . so what will be the simple code??

Answer 1

what's your code so far? where exactly are you stuck?

Answer 2

see the php form example on w3schools.com: it includes input filtering and validation.

Answer 3

you should use the html form to get an input like this exemple

https://code.sololearn.com/w51NO7XRDTA5/?ref=app

Answer 4

yet i haven't written any code..
i was revising c++ . so during the revision this question arised in my mind.