Using $.post to send JS variables to PHP script

Question

I am trying to send Javascript variables over to a PHP script for updating scores of a quiz game. I've looked up the shorthand method of doing this, which is $.post, but I am unable to retrieve the values in the PHP script. I am fairly unfamiliar which JS and require help as to what I am doing wrong.

Here is the Javascript

function updatescore(){ var thisgamemarks= 2300; var thequizid = 5; $.post("updatemark.php", { quizidvalue: thequizid, newmarkvalue: thisgamemarks } ); }

And the PHP

$studentnewmark = $POST['newmarkvalue']; $thisquizid = $POST['quizidvalue']; $thisstudentid = $_SESSION['studentid'];

Off the top of my head: maybe $.post doesn't send stuff as request parameters, but serialised as JSON in the request body. Maybe there's a way to dump the whole request in PHP? — millimoose
– millimoose, Commented Mar 16, 2013 at 18:11
try print_r ( $_POST ) on php side, debug it in browser console — rab
– rab, Commented Mar 16, 2013 at 18:15

tay10r · Accepted Answer · 2013-03-16 18:22:19Z

type $_POST instead of $POST. also, on a windows based machine, you can use ctrl + shift + j to debug a js script - which will help if if there's any problems with your code. but, the js code you have shown us looks perfectly fine.

Touch · Accepted Answer · 2013-03-16 18:25:46Z

Yes. As suggest use the $_POST instead of $POST and try putting the "quizidvalue" in the javascript inside quotations. It might help. Just a thought. It's how I always do it.

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