Is there a way to find out HTTP Post parameter names when you don't have the form?

Question

There is a php web page that i want to submit my POST request but i don't know the name of the parameter. Is there a way to find out the name of the parameter that i should submit my values into.

Update: I don't have the form that submit to that page. So i can't use $_POST.

Answer 1

You can get the names of all passed $_POST parameters with:

$parameter_names = array_keys($_POST);

If you know there is only one parameter, to get the value use:

$value = $_POST[array_keys($_POST)[0]];

Answer 2

If I understand correctly, you want to submit data to a form, but don't know what keys to use to submit. As you know, you need to know them, so find the form on the website, and look at the source code for the name="whatever" parts of the relevant inputs and make a note of the string inside the quotes. Those are your key names.

Answer 3

If you want to know the parameters and don't programmatically use them, you can also use print_r($_POST);