<?php
    $sql="SELECT * FROM Persons";
    $res1=mysqli_query($con,$sql) or die(mysqli_error($con));
    $cnt=mysqli_num_rows($res1);//cnt=counting
    echo "<br>";
    $totalpages=floor($cnt/5);
    //echo $totalpages;
    $current_page = isset($_GET['page']) ? $_GET['page'] : 1;

    if( $current_page > 1 ) {
        $prev = '<a href="comments.php?page='.($current_page-1).'"><div style="border-style: groove; float:left" >Previous</div></a>';
        echo $prev;
    }

    for($page=1;$page<=$totalpages;$page++) {
        ?>
        <a href="comments.php?page=<?php echo $page." ";?>" style="text-decoration:none "><?php echo '<div style="border-style: groove; width:25px;float:left" >'. $page." ".'</div>'; ?></a><?php
    }

    if( $current_page < $totalpages ) {
        $next = '<a href="comments.php?page='.($current_page+1).'"><div style="border-style: groove;float:left" >Next</div></a>';
        echo $next;
    }
?>