>
>
>PHP doesn't pars vars inside '', this should work:
>$status = $_POST["formData1[$value->student_id]"];
>
>But I would use
>$status = $_POST["formData1[".$value->student_id."]"];
>
And these two do not work.

$status = $_POST['formData1[727]'];
$status = $_POST["formData1[727]"];

A single variable like this works.  $_POST['roomNumber']