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Using ACF fields to setup a post title

  • Hello,

    I’m developping a plugin for a booking agency. I have registered 3 custom post types (“band, “show” and “venue”) :

    // Register Band Post Type
function band_post_type() {

        $labels = array(
                'name'                  => _x( 'Bands', 'Post Type General Name', 'doomstar' ),
                'singular_name'         => _x( 'Band', 'Post Type Singular Name', 'doomstar' ),
                'menu_name'             => __( 'Bands', 'doomstar' ),
                'name_admin_bar'        => __( 'Band', 'doomstar' ),
                'archives'              => __( 'Band Archives', 'doomstar' ),
                'attributes'            => __( 'Band Attributes', 'doomstar' ),
                'parent_item_colon'     => __( 'Parent Band:', 'doomstar' ),
                'all_items'             => __( 'Bands', 'doomstar' ),
                'add_new_item'          => __( 'Add New Band', 'doomstar' ),
                'add_new'               => __( 'Add New', 'doomstar' ),
                'new_item'              => __( 'New Band', 'doomstar' ),
                'edit_item'             => __( 'Edit Band', 'doomstar' ),
                'update_item'           => __( 'Update Band', 'doomstar' ),
                'view_item'             => __( 'View Band', 'doomstar' ),
                'view_items'            => __( 'View Bands', 'doomstar' ),
                'search_items'          => __( 'Search Band', 'doomstar' ),
                'not_found'             => __( 'Not found', 'doomstar' ),
                'not_found_in_trash'    => __( 'Not found in Trash', 'doomstar' ),
                'featured_image'        => __( 'Featured Image', 'doomstar' ),
                'set_featured_image'    => __( 'Set featured image', 'doomstar' ),
                'remove_featured_image' => __( 'Remove featured image', 'doomstar' ),
                'use_featured_image'    => __( 'Use as featured image', 'doomstar' ),
                'insert_into_item'      => __( 'Insert into band', 'doomstar' ),
                'uploaded_to_this_item' => __( 'Uploaded to this band', 'doomstar' ),
                'items_list'            => __( 'Bands list', 'doomstar' ),
                'items_list_navigation' => __( 'Bands list navigation', 'doomstar' ),
                'filter_items_list'     => __( 'Filter bands list', 'doomstar' ),
        );
        $args = array(
                'label'                 => __( 'Band', 'doomstar' ),
                'labels'                => $labels,
                'supports'              => array( 'title', 'editor', 'thumbnail', ),
                'taxonomy'              => array( 'roster', ),
                'hierarchical'          => false,
                'public'                => true,
                'show_ui'               => true,
                'show_in_menu'          => true,
                'menu_position'         => 5,
                'menu_icon'             => 'dashicons-groups',
                'show_in_admin_bar'     => true,
                'show_in_nav_menus'     => true,
                'can_export'            => true,
                'has_archive'           => 'roster',
                'exclude_from_search'   => false,
                'publicly_queryable'    => true,
                'capability_type'       => 'post',
                'show_in_rest'          => true,
                'edit_in_rest'          => true,
        );
        register_post_type( 'band', $args );

}
add_action( 'init', 'band_post_type', 0 );

// Register Show Post Type
function show_post_type() {

        $labels = array(
                'name'                  => _x( 'Shows', 'Post Type General Name', 'doomstar' ),
                'singular_name'         => _x( 'Show', 'Post Type Singular Name', 'doomstar' ),
                'menu_name'             => __( 'Shows', 'doomstar' ),
                'name_admin_bar'        => __( 'Show', 'doomstar' ),
                'archives'              => __( 'Show Archives', 'doomstar' ),
                'attributes'            => __( 'Show Attributes', 'doomstar' ),
                'parent_item_colon'     => __( 'Parent Show:', 'doomstar' ),
                'all_items'             => __( 'Shows', 'doomstar' ),
                'add_new_item'          => __( 'Add New Show', 'doomstar' ),
                'add_new'               => __( 'Add New', 'doomstar' ),
                'new_item'              => __( 'New Show', 'doomstar' ),
                'edit_item'             => __( 'Edit Show', 'doomstar' ),
                'update_item'           => __( 'Update Show', 'doomstar' ),
                'view_item'             => __( 'View Show', 'doomstar' ),
                'view_items'            => __( 'View Shows', 'doomstar' ),
                'search_items'          => __( 'Search Show', 'doomstar' ),
                'not_found'             => __( 'Not found', 'doomstar' ),
                'not_found_in_trash'    => __( 'Not found in Trash', 'doomstar' ),
                'featured_image'        => __( 'Featured Image', 'doomstar' ),
                'set_featured_image'    => __( 'Set featured image', 'doomstar' ),
                'remove_featured_image' => __( 'Remove featured image', 'doomstar' ),
                'use_featured_image'    => __( 'Use as featured image', 'doomstar' ),
                'insert_into_item'      => __( 'Insert into show', 'doomstar' ),
                'uploaded_to_this_item' => __( 'Uploaded to this show', 'doomstar' ),
                'items_list'            => __( 'Shows list', 'doomstar' ),
                'items_list_navigation' => __( 'Shows list navigation', 'doomstar' ),
                'filter_items_list'     => __( 'Filter shows list', 'doomstar' ),
        );
        $args = array(
                'label'                 => __( 'Show Date', 'doomstar' ),
                'labels'                => $labels,
                'supports'              => array( 'title', 'thumbnail', ),
                'taxonomies'            => array( 'event status', ),
                'hierarchical'          => false,
                'public'                => true,
                'show_ui'               => true,
                'show_in_menu'          => true,
                'menu_position'         => 5,
                'menu_icon'             => 'dashicons-calendar',
                'show_in_admin_bar'     => true,
                'show_in_nav_menus'     => true,
                'can_export'            => true,
                'has_archive'           => 'show',
                'exclude_from_search'   => false,
                'publicly_queryable'    => true,
                'capability_type'       => 'post',
                'show_in_rest'          => true,
                'edit_in_rest'          => true,
        );
        register_post_type( 'show', $args );

}
add_action( 'init', 'show_post_type', 0 );

// Register Venue Post Type
function venue_post_type() {

        $labels = array(
                'name'                  => _x( 'Venues', 'Post Type General Name', 'doomstar' ),
                'singular_name'         => _x( 'Venue', 'Post Type Singular Name', 'doomstar' ),
                'menu_name'             => __( 'Venues', 'doomstar' ),
                'name_admin_bar'        => __( 'Venue', 'doomstar' ),
                'archives'              => __( 'Venue Archives', 'doomstar' ),
                'attributes'            => __( 'Venue Attributes', 'doomstar' ),
                'parent_item_colon'     => __( 'Parent Venue:', 'doomstar' ),
                'all_items'             => __( 'Venues', 'doomstar' ),
                'add_new_item'          => __( 'Add New Venue', 'doomstar' ),
                'add_new'               => __( 'Add New', 'doomstar' ),
                'new_item'              => __( 'New Venue', 'doomstar' ),
                'edit_item'             => __( 'Edit Venue', 'doomstar' ),
                'update_item'           => __( 'Update Venue', 'doomstar' ),
                'view_item'             => __( 'View Venue', 'doomstar' ),
                'view_items'            => __( 'View Venues', 'doomstar' ),
                'search_items'          => __( 'Search Venue', 'doomstar' ),
                'not_found'             => __( 'Not found', 'doomstar' ),
                'not_found_in_trash'    => __( 'Not found in Trash', 'doomstar' ),
                'featured_image'        => __( 'Featured Image', 'doomstar' ),
                'set_featured_image'    => __( 'Set featured image', 'doomstar' ),
                'remove_featured_image' => __( 'Remove featured image', 'doomstar' ),
                'use_featured_image'    => __( 'Use as featured image', 'doomstar' ),
                'insert_into_item'      => __( 'Insert into venue', 'doomstar' ),
                'uploaded_to_this_item' => __( 'Uploaded to this venue', 'doomstar' ),
                'items_list'            => __( 'Venues list', 'doomstar' ),
                'items_list_navigation' => __( 'Venues list navigation', 'doomstar' ),
                'filter_items_list'     => __( 'Filter venues list', 'doomstar' ),
        );
        $args = array(
                'label'                 => __( 'Venue', 'doomstar' ),
                'labels'                => $labels,
                'supports'              => array( 'title', ),
                'hierarchical'          => false,
                'public'                => true,
                'show_ui'               => true,
                'show_in_menu'          => 'edit.php?post_type=show',
                'show_in_admin_bar'     => true,
                'show_in_nav_menus'     => true,
                'can_export'            => true,
                'has_archive'           => false,
                'exclude_from_search'   => false,
                'publicly_queryable'    => true,
                'capability_type'       => 'post',
                'show_in_rest'          => true,
                'edit_in_rest'          => true,
        );
        register_post_type( 'venue', $args );

}
add_action( 'init', 'venue_post_type', 0 );

    I have created a field group for the custom post type “show” with the following fields (label, name and type):

    • Band, band , Post Object
    • Date, date, Date Picker
    • Country, country, Select
    • City, city, Text
    • Venue, venue, Post Object
    • Additional Info, additional_info, Text
    • Ticket URL, ticket_url, Url

    I’m trying to programmatically setup the post title of custom posts “show”. I’m using this function :

    // Auto-populate post title with ACF.
function show_update_postdata( $value, $post_id, $field ) {

        // Get fields value
        $date = strtotime(get_field('date', $post_id));
        $band = get_the_title(get_field('band', $post_id));
        $country = get_field('country')['value'];
        $city = get_field('city');

        // Custom post title
        $formatted_date = date_i18n('F jS, Y', $date);
        $title = $band . ' @ ' . $city . ', ' . $country . ' - ' . $formatted_date;
        $slug = sanitize_title( $title );
        $postdata = array(
             'ID'          => $post_id,
             'post_title'  => $title,
             'post_type'   => 'show',
             'post_name'   => $slug
        );

        wp_update_post( $postdata, true );
        return $value;

}
add_filter('acf/update_value/name=date', 'show_update_postdata', 10, 3);
add_filter('acf/update_value/name=band', 'show_update_postdata', 10, 3);
add_filter('acf/update_value/name=city', 'show_update_postdata', 10, 3);
add_filter('acf/update_value/name=country', 'show_update_postdata', 10, 3);

    My problem is that the post title isn’t set properly when I hit the “Publish” button. I need to save the post twice in order to get a proper post title.



    What am I missing?

    I’m using WordPress 4.8 and ACF Pro 5.5.14. Let me know if you need more details.

    Thank you,
    Cedric

  • I’ve managed to get it working by retrieving fields values from the POST request.

    function show_update_postdata( $value, $post_id, $field ) {

        // Get values from POST
        $date = strtotime($_POST['acf']['field_595cf97c444c0']);
        $band = get_the_title($_POST['acf']['field_595cfa314cf4b']);
        $country = $_POST['acf']['field_595cf99f444c1'];
        $city = $_POST['acf']['field_595cf9f1444c2'];

        // Custom post title
        $formatted_date = date_i18n('F jS, Y', $date);
        $title = $band . ' @ ' . $city . ', ' . $country . ' - ' . $formatted_date;
        $slug = sanitize_title( $title );
        $postdata = array(
             'ID'          => $post_id,
             'post_title'  => $title,
             'post_type'   => 'show',
             'post_name'   => $slug
        );

        wp_update_post( $postdata );
        return $value;

}
add_filter('acf/update_value/name=date', 'show_update_postdata', 10, 3);
add_filter('acf/update_value/name=band', 'show_update_postdata', 10, 3);
add_filter('acf/update_value/name=city', 'show_update_postdata', 10, 3);
add_filter('acf/update_value/name=country', 'show_update_postdata', 10, 3);
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