wordpress 前台投稿自定义文章类型文章

$post = array(
            'comment_status' => 'closed',
            'ping_status' => 'closed',
            'post_author' => 2,
            'post_content' => $_POST['synopsis'],
            'post_name' => sanitize_title($_POST['title']),
            'post_status' => 'private',
            'post_title' => $_POST['title'],
            'post_type' => 'film',
            'tax_input' => array(
                'film_category' => array(
                    $_POST['category']
                )
            )
        );

        $new_film_id = wp_insert_post($post);