Hello teacher: Pagination problem

Question

Clicking the next page on the last page will report an error, and its p will become -1

Answer 1

$p = ($p<1)?1:$p;This applies to the previous page. Specifically, there will be a problem on the next page you mentioned. It should be related to your code. Can you send the code? ?

Answer 2

$p = ($p<1)?1:$p;