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   1 # http\Message http\Message::getParentMessage()
   2
   3 Retrieve any parent message.
   4 See http\Message::reverse().
   5
   6 ## Params:
   7
   8 None.
   9
  10 ## Returns:
  11
  12 * http/Message, the parent message.
  13
  14 ## Throws:
  15
  16 * http\Exception\InvalidArgumentException
  17 * http\Exception\BadMethodCallException
  18
  19
  20 ## Example:
  21
  22     <?php
  23     $message = new http\Message(
  24         "GET / HTTP/1.0\n".
  25         "HTTP/1.0 200 Ok"
  26     );
  27     var_dump($message->getParentMessage()->toString());
  28     ?>
  29
  30 Yields:
  31
  32     string(16) "GET / HTTP/1.0
  33     "