1 bootstrap.inc backdrop_get_http_header($name = NULL)

Gets the HTTP response headers for the current page.


$name: An HTTP header name. If omitted, all headers are returned as name/value pairs. If an array value is FALSE, the header has been unset.

Return value

A string containing the header value, or FALSE if the header has been set,: or NULL if the header has not been set.


core/includes/bootstrap.inc, line 1572
Functions that need to be loaded on every Backdrop request.


function backdrop_get_http_header($name = NULL) {
  $headers = &backdrop_static('backdrop_http_headers', array());
  if (isset($name)) {
    $name = strtolower($name);
    return isset($headers[$name]) ? $headers[$name] : NULL;
  else {
    return $headers;