WORDPRESS Registering wp_nav_menu() in 3 locations

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<?php
// Function for registering wp_nav_menu() in 3 locations
add_action( 'init', 'register_navmenus' );
function register_navmenus() {
	register_nav_menus( array(
		'Top' 		=> __( 'Top Navigation' ),
		'Header'	=> __( 'Header Navigation' ),
		'Footer'	=> __( 'Footer Navigation' ),
		)
	);

	// Check if Top menu exists and make it if not
	if ( !is_nav_menu( 'Top' )) {
		$menu_id = wp_create_nav_menu( 'Top' );
		$menu = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'),'menu-item-title' => 'Home' );
		wp_update_nav_menu_item( $menu_id, 0, $menu );
	}
	// Check if Header menu exists and make it if not
	if ( !is_nav_menu( 'Header' )) {
		$menu_id = wp_create_nav_menu( 'Header' );
		$menu = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'), 'menu-item-title' => 'Home' );
		wp_update_nav_menu_item( $menu_id, 0, $menu );
	}
	// Check if Footer menu exists and make it if not
	if ( !is_nav_menu( 'Footer' )) {
		$menu_id = wp_create_nav_menu( 'Footer' );
		$menu = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'), 'menu-item-title' => 'Home' );
		wp_update_nav_menu_item( $menu_id, 0, $menu );
	}

	// Get any menu locations that dont have a menu assigned to it and give it on
	/* Currently not working. couldnt fix it.
	$loc = array('Top', 'Header', 'Footer');
	if ( has_nav_menu( $location )) {
		$locations = get_nav_menu_locations();
		return (!empty( $locations[ $location ] ));
	}
	*/
}
/* Delete nav menu in case you need it
wp_delete_nav_menu( $menu );
*/
?>