Same page processing

Question

How can process a form on the same page vs using a separate process page. Right now for signups, comment submissions, etc I use a second page that verifies data and then su

Answer 1

@Michael Irigoyen: It works fine, but on first rn/load, it shows:

"Notice: Undefined variable: error in C:\xampp\htdocs\same_page.php on line 28"

How to handle this notice?

Got it now: "Used isset, @ etc. to supress errors..." "Works like a charm!!!" "Now i'll try it on my code..."