encodeValue ( $v )
gzip ( )
request_method ( $method = NULL )
setContentDisposition ( $type, array $params )
setContentType ( $type, array $params = array ( ) )
setETag ( $ETag )
setETagLastModified ( $ETag, $time )
setLastModified ( $time )
setLocation ( $uri = NULL, $status_code = 0 )
setStatus ( $code )
validateMethod ( array $allowed_methods = array ( 0 => 'GET', 1 => 'HEAD', 2 => 'POST', ) )