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Code for Duplicating post, post types and pages.

Discussion in 'Suggestions For Future Releases' started by Miriam Goularte, Apr 4, 2019.

  1. Miriam Goularte

    Miriam Goularte New Member
    Divi Powerful Child Theme

    It would be nice if you added the code below on the next versions to duplicating post, post types and pages. It is up and running. I addaped it to Divi:


    /*
    * Function creates post duplicate as a draft and redirects then to the edit post screen
    */
    function rd_duplicate_post_as_draft(){
    global $wpdb;
    if (! ( isset( $_GET['post']) || isset( $_POST['post']) || ( isset($_REQUEST['action']) && 'rd_duplicate_post_as_draft' == $_REQUEST['action'] ) ) ) {
    wp_die('No post to duplicate has been supplied!');
    }

    /*
    * Nonce verification
    */
    if ( !isset( $_GET['duplicate_nonce'] ) || !wp_verify_nonce( $_GET['duplicate_nonce'], basename( __FILE__ ) ) )
    return;

    /*
    * get the original post id
    */
    $post_id = (isset($_GET['post']) ? absint( $_GET['post'] ) : absint( $_POST['post'] ) );
    /*
    * and all the original post data then
    */
    $post = get_post( $post_id );

    /*
    * if you don't want current user to be the new post author,
    * then change next couple of lines to this: $new_post_author = $post->post_author;
    */
    $current_user = wp_get_current_user();
    $new_post_author = $current_user->ID;

    /*
    * if post data exists, create the post duplicate
    */
    if (isset( $post ) && $post != null) {

    /*
    * new post data array
    */
    $args = array(
    'comment_status' => $post->comment_status,
    'ping_status' => $post->ping_status,
    'post_author' => $new_post_author,
    'post_content' => $post->post_content,
    'post_excerpt' => $post->post_excerpt,
    'post_name' => $post->post_name,
    'post_parent' => $post->post_parent,
    'post_password' => $post->post_password,
    'post_status' => 'draft',
    'post_title' => $post->post_title,
    'post_type' => $post->post_type,
    'to_ping' => $post->to_ping,
    'menu_order' => $post->menu_order
    );

    /*
    * insert the post by wp_insert_post() function
    */
    $new_post_id = wp_insert_post( $args );

    /*
    * get all current post terms ad set them to the new post draft
    */
    $taxonomies = get_object_taxonomies($post->post_type); // returns array of taxonomy names for post type, ex array("category", "post_tag");
    foreach ($taxonomies as $taxonomy) {
    $post_terms = wp_get_object_terms($post_id, $taxonomy, array('fields' => 'slugs'));
    wp_set_object_terms($new_post_id, $post_terms, $taxonomy, false);
    }

    /*
    * duplicate all post meta just in two SQL queries
    */
    $post_meta_infos = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta WHERE post_id=$post_id");
    if (count($post_meta_infos)!=0) {
    $sql_query = "INSERT INTO $wpdb->postmeta (post_id, meta_key, meta_value) ";
    foreach ($post_meta_infos as $meta_info) {
    $meta_key = $meta_info->meta_key;
    if( $meta_key == '_wp_old_slug' ) continue;
    $meta_value = addslashes($meta_info->meta_value);
    $sql_query_sel[]= "SELECT $new_post_id, '$meta_key', '$meta_value'";
    }
    $sql_query.= implode(" UNION ALL ", $sql_query_sel);
    $wpdb->query($sql_query);
    }


    /*
    * finally, redirect to the edit post screen for the new draft
    */
    wp_redirect( admin_url( 'post.php?action=edit&post=' . $new_post_id ) );
    exit;
    } else {
    wp_die('Post creation failed, could not find original post: ' . $post_id);
    }
    }
    add_action( 'admin_action_rd_duplicate_post_as_draft', 'rd_duplicate_post_as_draft' );

    /*
    * Add the duplicate link to action list for post_row_actions
    */
    function rd_duplicate_post_link( $actions, $post ) {
    if (current_user_can('edit_posts')) {
    $actions['duplicate'] = '<a href="' . wp_nonce_url('admin.php?action=rd_duplicate_post_as_draft&post=' . $post->ID, basename(__FILE__), 'duplicate_nonce' ) . '" title="Duplicate this item" rel="permalink">Duplicate</a>';
    }
    return $actions;
    }

    add_filter( 'post_row_actions', 'rd_duplicate_post_link', 10, 2 );
    add_filter('page_row_actions', 'rd_duplicate_post_link', 10, 2);
     
  2. Miriam Goularte

    Miriam Goularte New Member
    Divi Powerful Child Theme

    No plugins needed...
     
  3. Divi Powerful

    Divi Powerful Administrator
    Staff Member

    Thanks for your suggestions. We might consider that. But overall, we're looking to add new functionalities to Divi theme itself, not Wordpress.

    If you need that, you can always add it in the child theme functions.php file. Any of our updates will not overwrite your functions.php file.