Why it is appeared again "Undefined variable $HTTP_POST_VARS" in code of th file "feedback. php." 1 ?...with $_POST too, Isset (

Question

There is notting *." txt "Abreviation now?!
https://code.sololearn.com/wpitxDf3Fbb0/?ref=app
isset () is forbidden too PHPcompiler has inscripted and ins inscripted ted need null ! ==expression.

Answer 1

$HTTP_POST_VARS IS NOT AN SUPERGLOBAL WHICH MEANS ITS SCOPE IS LIMITED TO LOCAL
THUS TRY USING $_POST WHICH IS AN SUPERGLOBAL WITH GLOBAL SCOPE

Answer 2

THE ERROR NOW BEING SHOWN IS BECAUSE OF THE FACT THAT THEIR IS NO ELEMENT WITH NAME, for eg. name, BUT IT CAN BE REMOVED BY USING
if (isset ($_POST ['name'])){
$name = $_POST ['name'];
}
With each $post use
This way isset () function checks a variable to be not to be null and only returns true if variable have some value

Answer 3

And I've replaced but situation is the same.

Answer 4

ERROR:isset() IS FORBIDDEN! compiler has inscripted and is written null! ==expression need.
But now: parse sintax ERROR " ;"