How to update global header and footer

I have a problem with the global header and footer in multisite. When I change the root's header and footer, the subsites (all other blogs) don't update.

This is my code:

global $switched;
switch_to_blog(1);
get_header();
restore_current_blog();

switch_to_blog(1);
get_footer();
restore_current_blog();

Topic switch-to-blog Wordpress

Category Web

1
answered at

Resolved using this code:

global $switched; 
switch_to_blog(1); 
//get_header(); 
$root = realpath($_SERVER["DOCUMENT_ROOT"]); 
include ($root.'/wp-content/themes/themename/header.php'); 
restore_current_blog();

global $switched;
switch_to_blog(1); 
//get_footer(); 
$root = realpath($_SERVER["DOCUMENT_ROOT"]); 
include ($root.'/wp-content/themes/themename/footer.php'); 
restore_current_blog();

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