MeterBox Lock

<?php
// Get the gallery image IDs directly
$images = array_keys(rwmb_meta('gallery'));

// Get the featured image ID
$featured_image_id = get_post_thumbnail_id();

// If there's a featured image, add it to the front of the array
if ($featured_image_id) {
    array_unshift($images, $featured_image_id);
}

// Remove any duplicate IDs (in case the featured image is also in the gallery)
$images = array_unique($images);

$args = array(
    'post_type' => 'attachment',
    'post__in' => $images,
    'post_status' => 'inherit',
    'posts_per_page' => -1,
    'orderby' => 'post__in',
);

$query = new WP_Query($args);

print_r($query);

?>