'nav', 'container_class' => 'mobile-menu', 'theme_location' => 'mobile', 'walker' => new Upstore_Walker_Nav_Menu() ) ); }else{ wp_nav_menu( array( 'container' => 'nav', 'container_class' => 'mobile-menu', 'theme_location' => 'primary', 'walker' => new Upstore_Walker_Nav_Menu() ) ); } ?>