PHP Post in url -

PHP Post in url -

good day,

i have simple script:

<?php $first=$_post['first']; echo "$first"; ?>

i want user able type url bar www.test.com/test.php?first=aa;

then echo aa.

how possible?

change

$first=$_post['first'];

to

$first=$_get['first'];

or

$first=$_request['first'];

php post