Using WordPress ‘bulk_edit_custom_box’ PHP action

The bulk_edit_custom_box WordPress action fires once for each column in Bulk Edit mode and allows you to customize the appearance and functionality of the bulk edit columns.

Usage

add_action('bulk_edit_custom_box', 'your_custom_function', 10, 2);

function your_custom_function($column_name, $post_type) {
    // your custom code here

    return $column_name;
}

Parameters

$column_name (string): Name of the column to edit.
$post_type (string): The post type slug.

More information

See WordPress Developer Resources: bulk_edit_custom_box

Examples

Add a custom taxonomy dropdown in the bulk edit screen for a custom post type ‘movies’.

add_action('bulk_edit_custom_box', 'add_custom_taxonomy_dropdown', 10, 2);

function add_custom_taxonomy_dropdown($column_name, $post_type) {
    if ($post_type == 'movies' && $column_name == 'taxonomy-name') {
        // Display a custom taxonomy dropdown
    }
}

Add a custom checkbox for featured posts

Add a custom checkbox to mark posts as featured in the bulk edit screen.

add_action('bulk_edit_custom_box', 'add_featured_checkbox', 10, 2);

function add_featured_checkbox($column_name, $post_type) {
    if ($post_type == 'post' && $column_name == 'featured') {
        // Display a custom checkbox for featured posts
    }
}

Add custom price input for WooCommerce products

Add a custom price input field in the bulk edit screen for WooCommerce products.

add_action('bulk_edit_custom_box', 'add_price_input', 10, 2);

function add_price_input($column_name, $post_type) {
    if ($post_type == 'product' && $column_name == 'price') {
        // Display a custom price input field
    }
}

Add custom input field for post excerpt

Add a custom input field for post excerpt in the bulk edit screen for a custom post type ‘recipes’.

add_action('bulk_edit_custom_box', 'add_excerpt_input', 10, 2);

function add_excerpt_input($column_name, $post_type) {
    if ($post_type == 'recipes' && $column_name == 'excerpt') {
        // Display a custom input field for post excerpt
    }
}

Add a custom dropdown for post format in the bulk edit screen for ‘post’ post type.

add_action('bulk_edit_custom_box', 'add_post_format_dropdown', 10, 2);

function add_post_format_dropdown($column_name, $post_type) {
    if ($post_type == 'post' && $column_name == 'format') {
        // Display a custom dropdown for post format
    }
}