git.m6w6.name Git - mdref/mdref-http/blob - http/Env/getRequestHeader.md

   1 # static mixed http\Env::getRequestHeader([string $header_name])
   2
   3 Retrieve one or all headers of the current HTTP request.
   4
   5 ## Parameters:
   6
   7 * Optional string $header_name
   8   The key of a header to retrieve.
   9
  10 ## Returns:
  11
  12 * NULL, if $header_name was not found
  13 * string, the compound header when $header_name was found
  14 * array of all headers if $header_name was not specified