Is it preferred to assign POST variable to an actual variable?

Question

I\'ve just completed my registration form for my website and for the action page where all the SQL takes place I\'ve just skipped assigning the POST variable to actual ones, lik

Answer 1

I personally dislike dupe variables. Stick to what you got until u need to drasticly transform it. Dupe variables makes it harder to track and just wastes memory and time. Why bring sand to the beach.

select * from tbl where this = '". mysql_real_escape_string(trim($_POST['that'])) ."'