php_pager_method_0*1.php

// pagination 
echo "<div class='w3-bar w3-center'>";
if ($page > 1) {
    echo "<a href='?page=1' class='w3-btn'><<</a>";
    $prevpage = $page - 1;
    echo "<a href='?page=$prevpage' class='w3-btn'><</a>";
}
$range = 3;
for ($i = ($page - $range); $i < ($page + $range) + 1; $i++) {
    if (($i > 0) && ($i <= $totalpages)) {
        if ($i == $page) {
            echo "<div class='w3-btn w3-teal w3-hover-green'> $i</div>";
        } else {
            echo "<a href='?page=$i' class='w3-btn w3-border'>$i</a>";
        }
    }
}
if ($page != $totalpages) {
    $nextpage = $page + 1;
    echo "<a href='?page=$nextpage' class='w3-btn'>></a>";
    echo "<a href='?page=$totalpages' class='w3-btn'>>></a>";
}