git.m6w6.name Git - mdref/mdref-http/blob - http/Message/setHeader.md

   1 # http\Message http\Message::setHeader(string $header[, mixed $value = NULL])
   2
   3 Set a single header.
   4 See http\Message::getHeader() and http\Message::addHeader().
   5
   6 > **NOTE:**
   7 > Prior to v2.5.6/v3.1.0 headers with the same name were merged into a single
   8 > header with values concatenated by comma.
   9
  10 ## Params:
  11
  12 * string $header
  13   The header's name.
  14 * Optional mixed $value = NULL
  15   The header's value. Removes the header if NULL.
  16
  17 ## Returns:
  18
  19 * http\Message, self.
  20
  21 ## Changelog:
  22
  23 Version      | Changes
  24 -------------|--------
  25 2.5.6, 3.1.0 | Multiple headers with the same name are kept separate instead of merged together.