This method is only fully implemented in the Yaf_Response_Http subclass. In the abstract class it is a stub.
Parameters
name
The header name.
value
The header value.
replace
Whether to replace any existing header with the same name. If false, the new value is appended to the existing one, separated by a comma. Note that, although the declared default is false, the current implementation replaces the existing header when this parameter is omitted.
response_code
If non-zero, the HTTP response code to set on the response.