function _drupal_set_preferred_header_name
Sets the preferred name for the HTTP header.
Header names are case-insensitive, but for maximum compatibility they should follow "common form" (see RFC 2617, section 4.2).
3 calls to _drupal_set_preferred_header_name()
- drupal_add_http_header in includes/
bootstrap.inc  - Sets an HTTP response header for the current page.
 - drupal_page_set_cache in includes/
common.inc  - Stores the current page in the cache.
 - drupal_send_headers in includes/
bootstrap.inc  - Sends the HTTP response headers that were previously set, adding defaults.
 
File
- 
              includes/
bootstrap.inc, line 1515  
Code
function _drupal_set_preferred_header_name($name = NULL) {
  static $header_names = array();
  if (!isset($name)) {
    return $header_names;
  }
  $header_names[strtolower($name)] = $name;
}
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