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??? ??? ??? ?? ????? PHP ?? ????.

<code class="php">// Set adjacent page count
$adjacents = 3;

// Initialize page number and items per page
$page = (int)$_GET["page"] ?? 1;
$limit = 5;

// Calculate start item
$start = ($page - 1) * $limit;

// Fetch data
$data = $db->query("SELECT * FROM mytable LIMIT $start, $limit")->fetchAll();

// Calculate total pages
$total_pages = count($data);

// Set up page variables
$prev = $page - 1;
$next = $page + 1;
$lastpage = ceil($total_pages / $limit);
$lpm1 = $lastpage - 1;

// Generate pagination HTML
$pagination = "<nav aria-label='page navigation'><ul class='pagination'>";

// Previous button
$disabled = ($page === 1) ? "disabled" : "";
$pagination .= "<li class='page-item $disabled'><a class='page-link' href='?page=$prev'>? previous</a></li>";

// Pages
// Too few pages to hide any
if ($lastpage < 7 + ($adjacents * 2)) {
    for ($i = 1; $i <= $lastpage; $i++) {
        $active = ($i === $page) ? "active" : "";
        $pagination .= "<li class='page-item $active'><a class='page-link' href='?page=$i'>$i</a></li>";
    }
} elseif ($lastpage > 5 + ($adjacents * 2)) {
    // Close to beginning
    if ($page < 1 + ($adjacents * 2)) {
        for ($i = 1; $i < 4 + ($adjacents * 2); $i++) {
            $active = ($i === $page) ? "active" : "";
            $pagination .= "<li class='page-item $active'><a class='page-link' href='?page=$i'>$i</a></li>";
        }
        $pagination .= "<li class='page-item disabled'><span class='page-link'>...</span></li>";
        $pagination .= $last_pages;
    } elseif ($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2)) {
        // In middle
        $pagination .= $first_pages;
        $pagination .= "<li class='page-item disabled'><span class='page-link'>...</span></li>";
        for ($i = $page - $adjacents; $i <= $page + $adjacents; $i++) {
            $active = ($i === $page) ? "active" : "";
            $pagination .= "<li class='page-item $active'><a class='page-link' href='?page=$i'>$i</a></li>";
        }
        $pagination .= "<li class='page-item disabled'><span class='page-link'>...</span></li>";
        $pagination .= $last_pages;
    } else {
        // Close to end
        $pagination .= $first_pages;
        $pagination .= "<li class='page-item disabled'><span class='page-link'>...</span></li>";
        for ($i = $lastpage - (2 + ($adjacents * 2)); $i <= $lastpage; $i++) {
            $active = ($i === $page) ? "active" : "";
            $pagination .= "<li class='page-item $active'><a class='page-link' href='?page=$i'>$i</a></li>";
        }
    }
}

// Next button
$disabled = ($page === $lastpage) ? "disabled" : "";
$pagination .= "<li class='page-item $disabled'><a class='page-link' href='?page=$next'>next ?</a></li>";

$pagination .= "</ul></nav>";

if ($lastpage <= 1) {
    $pagination = "";
}

echo $pagination;
foreach ($data as $row) {
    // Display your data
}
echo $pagination;</code>

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