Show Disable Previous Next Pagination Nav

Question

I am using eleven 40 Pro theme. I want to show disable "Previous" pagination on 1st page and “Next” button on the last page.

As for example if I am on the homepage it only show the next button to click.

Can somebody help me please? Appreciated for you kind help.

Answer 1

<?php $page_no = $_GET['page_no']; ?>
<button <?php echo $page_no==1? 'disabled':'' ?> > Previous </button> 
<button <?php echo $page_no==40? 'disabled':'' ?> > Next </button>