Add pagination in wordpress admin in my own customized plugin [closed]

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开发者_如何学C

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i want to display pagination in one of my page of plugin,created by me.. i tried lots of examples but no one is working..

i'll be vary thankful if anyone can give answer...

note: i want pagination in back end(in admin) not in front end

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Easy Steps :

$pagenum = isset( $_GET['pagenum'] ) ? absint( $_GET['pagenum'] ) : 1;

Find total numbers of records

$limit = 10; // number of rows in page
$offset = ( $pagenum - 1 ) * $limit;
$total = $wpdb->get_var( "SELECT COUNT(`id`) FROM {$wpdb->prefix}table_name" );
$num_of_pages = ceil( $total / $limit );

Give limit:

$entries = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}table_name LIMIT $offset, $limit" );

Add this code where you want pagination:

$page_links = paginate_links( array(
    'base' => add_query_arg( 'pagenum', '%#%' ),
    'format' => '',
    'prev_text' => __( '«', 'text-domain' ),
    'next_text' => __( '»', 'text-domain' ),
    'total' => $num_of_pages,
    'current' => $pagenum
) );

if ( $page_links ) {
    echo '<div class="tablenav"><div class="tablenav-pages" style="margin: 1em 0">' . $page_links . '</div></div>';
}

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Generic pagination function.

This example looks like this on a large db:

<< Previous 1 2 3 4 5 6 7 8 9 ... 822 823 Next >>

or

<< Previous 1 2 ... 815 816 817 818 819 820 821 822 823 Next >>

or

<< Previous 1 2 ... 812 813 814 815 816 817 818 ... 822 823 Next >>

enjoy...

<?php 
/*Max Number of results to show*/
$max = 10;
/*Get the current page eg index.php?pg=4*/

if(isset($_GET['pg'])){
    $p = (int) $_GET['pg'];
}else{
    $p = 1;
}

$limit = ($p - 1) * $max;
$prev = $p - 1;
$next = $p + 1;
$limits = (int)($p - 1) * $max;

//This is the query to get the current dataset (change api to suit)
$result = mysqli_query($res, 'SELECT * from yourtable limit '.$limits.','.$max.'');

//Get total records from db (change api to suit)
$totalres = mysqli_result($res, mysqli_query($res, 'SELECT COUNT(id) AS tot FROM yourtable"'),0);

//devide it with the max value & round it up
$totalposts = ceil($totalres / $max);
$lpm1 = $totalposts - 1;

echo pagination($totalposts, $p, $lpm1, $prev, $next);

//The function
function pagination($totalposts, $p, $lpm1, $prev, $next){
    $adjacents = 3;
    if($totalposts > 1)
    {
        $pagination .= "<center><div>";
        //previous button
        if ($p > 1)
        $pagination.= "<a href=\"?pg=$prev\"><< Previous</a> ";
        else
        $pagination.= "<span class=\"disabled\"><< Previous</span> ";
        if ($totalposts < 7 + ($adjacents * 2)){
            for ($counter = 1; $counter <= $totalposts; $counter++){
                if ($counter == $p)
                $pagination.= "<span class=\"current\">$counter</span>";
                else
                $pagination.= " <a href=\"?pg=$counter\">$counter</a> ";}
        }elseif($totalposts > 5 + ($adjacents * 2)){
            if($p < 1 + ($adjacents * 2)){
                for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++){
                    if ($counter == $p)
                    $pagination.= " <span class=\"current\">$counter</span> ";
                    else
                    $pagination.= " <a href=\"?pg=$counter\">$counter</a> ";
                }
                $pagination.= " ... ";
                $pagination.= " <a href=\"?pg=$lpm1\">$lpm1</a> ";
                $pagination.= " <a href=\"?pg=$totalposts\">$totalposts</a> ";
            }
            //in middle; hide some front and some back
            elseif($totalposts - ($adjacents * 2) > $p && $p > ($adjacents * 2)){
                $pagination.= " <a href=\"?pg=1\">1</a> ";
                $pagination.= " <a href=\"?pg=2\">2</a> ";
                $pagination.= " ... ";
                for ($counter = $p - $adjacents; $counter <= $p + $adjacents; $counter++){
                    if ($counter == $p)
                    $pagination.= " <span class=\"current\">$counter</span> ";
                    else
                    $pagination.= " <a href=\"?pg=$counter\">$counter</a> ";
                }
                $pagination.= " ... ";
                $pagination.= " <a href=\"?pg=$lpm1\">$lpm1</a> ";
                $pagination.= " <a href=\"?pg=$totalposts\">$totalposts</a> ";
            }else{
                $pagination.= " <a href=\"?pg=1\">1</a> ";
                $pagination.= " <a href=\"?pg=2\">2</a> ";
                $pagination.= " ... ";
                for ($counter = $totalposts - (2 + ($adjacents * 2)); $counter <= $totalposts; $counter++){
                    if ($counter == $p)
                    $pagination.= " <span class=\"current\">$counter</span> ";
                    else
                    $pagination.= " <a href=\"?pg=$counter\">$counter</a> ";
                }
            }
        }
        if ($p < $counter - 1)
        $pagination.= " <a href=\"?pg=$next\">Next >></a>";
        else
        $pagination.= " <span class=\"disabled\">Next >></span>";
        $pagination.= "</center>\n";
    }
    return $pagination;
}
?>

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I solved this problem in different way. And solution is here

I use second option which has title "How To Add Pagination To WordPress Plugin?". This gives almost same pagination functionality as WordPress has.

Do not forget to download that "pagination.class.php" file, put it in your plugin folder and give appropriate path while including this file in your plugin.