XML_RPC_Message::createPayload PHP 메소드

    public function createPayload()
    {
        $this->payload = '<?xml version="1.0"?' . ">\r\n<methodCall>\r\n" . '<methodName>' . $this->method_name . "</methodName>\r\n" . "<params>\r\n";
        for ($i = 0, $c = count($this->params); $i < $c; $i++) {
            // $p = XML_RPC_Values
            $p = $this->params[$i];
            $this->payload .= "<param>\r\n" . $p->serialize_class() . "</param>\r\n";
        }
        $this->payload .= "</params>\r\n</methodCall>\r\n";
    }

     */
    require_once 'XML/RPC.php';
} else {
    if (substr(dirname(__FILE__), -9, -6) != 'XML') {
        echo "The parent directory must be named 'XML'.\n";
        exit;
    }
    ini_set('include_path', '../../' . PATH_SEPARATOR . '.' . PATH_SEPARATOR . ini_get('include_path'));
    /**
     * Get the needed class from the parent directory
     */
    require_once '../RPC.php';
}
$input = "First lfs\n\nSecond crlfs\r\n\r\nThird crs\r\rFourth line";
$expect_removed = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\n<methodCall>\n\n<methodName>nada</methodName>\n\n<params>\n\n<param>\n\n<value><string>First lfs\n\nSecond crlfs\n\nThird crs\n\nFourth line</string></value>\n\n</param>\n\n</params>\n\n</methodCall>\n\n";
$expect_not_removed = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\n<methodCall>\n\n<methodName>nada</methodName>\n\n<params>\n\n<param>\n\n<value><string>First lfs\n\n\n\nSecond crlfs\n\n\n\nThird crs\n\n\n\nFourth line</string></value>\n\n</param>\n\n</params>\n\n</methodCall>\n\n";
$msg = new XML_RPC_Message('nada', array(XML_RPC_encode($input)));
$msg->createPayload();
if ($msg->payload == $expect_removed) {
    echo "passed\n";
} else {
    echo "PROBLEM\n";
}
$msg = new XML_RPC_Message('nada', array(XML_RPC_encode($input)));
$msg->remove_extra_lines = false;
$msg->createPayload();
if ($msg->payload == $expect_not_removed) {
    echo "passed\n";
} else {
    echo "PROBLEM\n";
}