src/Moar/Net/Http/Request.php
public function getResponseHeader ($name) {
    $this->throwIfNotSubmitted();
    if (isset($this->responseHeaders[$name])) {
      return $this->responseHeaders[$name];
    } else {
      return null;
    }
  }
public function getResponseHeader ($name) {
    $this->throwIfNotSubmitted();
    if (isset($this->responseHeaders[$name])) {
      return $this->responseHeaders[$name];
    } else {
      return null;
    }
  }
public function getResponseHeader ( $ name ) { $ this -> throwIfNotSubmitted ( ) ; if ( isset ( $ this -> responseHeaders [ $ name ] ) ) { return $ this -> responseHeaders [ $ name ] ; } else { return null ; } }
Get a particular HTTP response header sent by the server.

@param string $name Header name
@return mixed Header value or null if not found. Value may be an array if
the named header occured more than once in the server's response.
@throws \RuntimeException If request has not been submitted.
Get a particular HTTP response header sent by the server .