jQuery: How to stop AJAX function escaping JSON string used to POST data

Question

I need to serialize all inputs from a form into a JSON string.
With the help of this post, I can successfully create a valid string as below:

{\"input01\         


        

Answer 1

Be sure that you

echo $_GET['varwithurl']

not

echo json_encode($_GET['varwithurl'])

as many php web examples do.

I send data with url with $.ajax() and don't see unwanted backslashes in php script.