get_var("
SELECT COUNT(ID)
FROM {$wpdb->posts}
WHERE post_status = 'publish'
AND post_type = 'post'
");
$total_parts = ceil($total / $limit);
// اگر پارامتر part وجود نداشت → sitemap index بساز
if (!isset($_GET['part'])) {
echo '';
echo '';
for ($i = 1; $i <= $total_parts; $i++) {
echo '';
echo ''.home_url('/sitemap-'.$i.'.xml').'';
echo ''.date('c').'';
echo '';
}
echo '';
exit;
}
// ساخت هر بخش
$part = (int) $_GET['part'];
$offset = ($part - 1) * $limit;
echo '';
echo '';
$posts = $wpdb->get_results(
$wpdb->prepare("
SELECT ID, post_modified
FROM {$wpdb->posts}
WHERE post_status = 'publish'
AND post_type = 'post'
ORDER BY ID ASC
LIMIT %d OFFSET %d
", $limit, $offset)
);
foreach ($posts as $post) {
echo '';
echo ''.get_permalink($post->ID).'';
echo ''.date('c', strtotime($post->post_modified)).'';
echo '';
}
echo '';
exit;