I have never used $_REQUEST and unlike most other things that I have never used - and done some research on - I have failed to understand the point of $_REQUEST. I have done some googling and while every site I find explains that $_REQUEST combines the variables stored in $_GET, $_POST, and $_COOKIE, they do not explain its purpose.
I am a mostly autodidact programmer, so I have a tremendous respect for the fact that I do not know what I do not know, but I just cannot see the point of the $_REQUEST variable. If I have a form, I will most likely use POST to send the data, so why not use $_POST to collect the data on the other end? I reason in the same way about GET and COOKIE. Besides, $_GET, $_POST and $_COOKIE are all shorter than $_REQUEST so require less typing anyway…
Could someone please let me know if I am missing something here?