<?php echo esc_attr(get_bloginfo( 'name' )); ?>

'primary', 'menu_class' => 'navbar-nav', 'menu_id' => 'nav_menu', 'container' => 'div', 'container_class' => 'collapse navbar-collapse navbar-collapse-primary justify-content-end', 'container_id' => 'nav_menu_container', 'walker' => new $walker, 'fallback_cb' => $fallback, ) ); ?>