How to use wp_terms_checklist() on front end

April 17, 2022 by Tarik Billa

You could just include it in your functions.php:

if ( ! is_admin() ) {
    include ABSPATH . 'wp-admin/includes/template.php';
}

Or better (as suggested by @Lance Cleveland in the comments):

if ( ! function_exists( 'wp_terms_checklist' ) ) {
    include ABSPATH . 'wp-admin/includes/template.php';
}