$conf, $runtime; function_exists('chdir') AND chdir(APP_PATH); $r = 'mysql' == $conf['cache']['type'] ? website_set('runtime', $runtime) : cache_set('runtime', $runtime); } function runtime_truncate() { global $conf; 'mysql' == $conf['cache']['type'] ? website_set('runtime', '') : cache_delete('runtime'); } register_shutdown_function('runtime_save'); ?>filters - How to properly modify WP Vary or any existing headers?|Programmer puzzle solving

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    filters - How to properly modify WP Vary or any existing headers?

    matteradmin9PV0评论

    I have a site that currently have a some part of the headers like:

    Vary: Accept-Encoding, Cookie

    I want to modify it to be:

    Vary: Accept-Language

    I tried the suggestions here using this code

    add_action( 'send_headers', 'mod_header_test' );
   function mod_header_test() {
   header( 'Vary: Accept-Language' );
}

    But the results I'm getting is:

    Vary: Accept-Encoding, Accept-Language, Cookie

    How do I completely erase the existing Vary header using the correct action/filter and replace it with: Vary: Accept-Language ?

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