public static function admin_menu() { self::$admin_page = add_submenu_page('edit.php?post_type=' . Axl_Testimonials_Widget::PT, esc_html__('Testimonials Settings', 'testimonials-widget'), esc_html__('Settings', 'testimonials-widget'), 'manage_options', self::ID, array(__CLASS__, 'display_page')); add_action('admin_print_scripts-' . self::$admin_page, array(__CLASS__, 'scripts')); add_action('admin_print_styles-' . self::$admin_page, array(__CLASS__, 'styles')); add_action('load-' . self::$admin_page, array(__CLASS__, 'settings_add_help_tabs')); }