Programmatically create wp nav menu from external json file

Create Programmatically WordPress Nav menu

/**
 * Registers a wp nav menu Programmatically.
 *
 * @link https://codex.wordpress.org/Function_Reference/wp_get_nav_menu_object
 * @link https://codex.wordpress.org/Function_Reference/wp_create_nav_menu
 * @link https://developer.wordpress.org/reference/functions/wp_update_nav_menu_item/
 * @link https://developer.wordpress.org/reference/functions/wp_remote_get/
 * @link https://codex.wordpress.org/Function_API/wp_remote_retrieve_body
 *
 * @since 1.0
 */
function createProgrammaticallyWPNav() {

	$menu_name = 'Programmatically Create Menu';
	$menu_location = 'primary'; // menu theme location

	/**
	 * Fetching data from external using WordPress function.
	 *
	 * But if you wish to use CURL or other php function to retrieve external data that's also cool :)
	 *
	 */
	$request = wp_remote_get( 'https://api.binameer.com/v1/visa/freevisacountry?reqtype=menu&fbclid=IwAR3IcMqhVKj1Ng3694CqmvlnHvMQJYN6hQMV-ZtsvDFjL7gInwn6smVT68g' );

	if( is_wp_error( $request ) )
		return false;

	$body = wp_remote_retrieve_body( $request );
	$get_data = json_decode( $body );

	if( empty( $get_data ) || !isset($get_data->data->attributes) )
		return false;
		
	// Check if the menu exists
	$menu_exists = wp_get_nav_menu_object( $menu_name );

	// If it doesn't exist, let's create it.
	if( !$menu_exists){

		// first create nav menu
		$menu_id = wp_create_nav_menu($menu_name);

		// then add item into newly-created menu
		foreach( $get_data->data->attributes as $item ) {
			wp_update_nav_menu_item($menu_id, 0, array(
			'menu-item-title' =>  __($item->cntr_name),
			'menu-item-classes' => 'cm-item-' . $item->cntr_code,
			'menu-item-url' => home_url( '/' ), // or uses "#" for blank url
			'menu-item-status' => 'publish'));
		}


		/* NOTE */ // if you don't want to assign automaticlly then ignore next step by comment out it.

		// Grab the theme locations and assign our newly-created menu
		// to the BuddyPress menu location.
		if( !has_nav_menu( $menu_location ) ){
			$locations = get_theme_mod('nav_menu_locations');
			$locations[$menu_location] = $menu_id;
			set_theme_mod( 'nav_menu_locations', $locations );
		}
	}

}
add_action( 'load-nav-menus.php', 'createProgrammaticallyWPNav' );