* Duplicate Post class to manage the metabox.
* @package Duplicate_Post
namespace Yoast\WP\Duplicate_Post\UI;
use Yoast\WP\Duplicate_Post\Permissions_Helper;
use Yoast\WP\Duplicate_Post\Utils;
* Represents the Metabox class.
* Holds the permissions helper.
* @var Permissions_Helper
protected $permissions_helper;
* @param Permissions_Helper $permissions_helper The permissions helper.
public function __construct( Permissions_Helper $permissions_helper ) {
$this->permissions_helper = $permissions_helper;
* Adds hooks to integrate with WordPress.
public function register_hooks() {
if ( \intval( \get_option( 'duplicate_post_show_original_meta_box' ) ) === 1 ) {
\add_action( 'add_meta_boxes', [ $this, 'add_custom_metabox' ] );
* Adds a metabox to Edit screen.
public function add_custom_metabox() {
$screens = $this->permissions_helper->get_enabled_post_types();
if ( ! \is_array( $screens ) ) {
foreach ( $screens as $screen ) {
'duplicate_post_show_original',
\__( 'Duplicate Post', 'duplicate-post' ),
[ $this, 'custom_metabox_html' ],
* Outputs the HTML for the metabox.
* @param \WP_Post $post The current post.
public function custom_metabox_html( $post ) {
$original_item = Utils::get_original( $post );
if ( $post instanceof \WP_Post && $original_item instanceof \WP_Post ) {
if ( ! $this->permissions_helper->is_rewrite_and_republish_copy( $post ) ) {
name="duplicate_post_remove_original"
id="duplicate-post-remove-original"
value="duplicate_post_remove_original"
aria-describedby="duplicate-post-remove-original-description">
<label for="duplicate-post-remove-original">
<?php \esc_html_e( 'Delete reference to original item.', 'duplicate-post' ); ?>
<p id="duplicate-post-remove-original-description">
/* translators: %s: post title */
'The original item this was copied from is: <span class="duplicate_post_original_item_title_span">%s</span>',
Utils::get_edit_or_view_link( $original_item ) // phpcs:ignore WordPress.Security.EscapeOutput
jQuery('#duplicate_post_show_original').hide();