>> My understanding is >> that PHP will convert it to an integer before sending it anyways.
No. In my experience an exception thrown
@see: Controller/Response/Abstract.php , Line 230
if (!is_int($code) || (100 > $code) || (599 < $code)) {
require_once 'Zend/Controller/Response/Exception.php';
throw new Zend_Controller_Response_Exception('Invalid HTTP
response code');
}
