WP function/filter for modifying http headers?

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Is there a dedicated WP function, action or filter to use when adding/modifying the HTTP headers?

For now I just hook a PHP header() call into the WP ‘init’ hook like this:

add_action('init', 'add_header_xua');
function add_header_xua(){
    if(!is_admin()){
        header('X-UA-Compatible: IE=edge,chrome=1');    
    }
}

But is this the correct way to do that?

4

The init action is the wrong place to do it. A better place would be at template_redirect, so that you only affect the front end view of the site and not the admin areas.

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