$pageId = $_GET['pageId']; $totalPages = array_diff(scandir('./comics/'), array('..', '.')); if(count($totalPages) == $pageId || $pageId == null) { echo ''; } elseif ($pageId == 0) { echo ''; } else { echo' '; } ?>
Check the source!
if(count($totalPages) == $pageId || $pageId == null) { echo 'Previous!'; } elseif ($pageId == 0) { echo 'Next!'; } else { echo'Previous!