вариант с подготовленым
$id = 2;
$name = 'Windler';
$save = $mysqli->prepare("INSERT INTO `users` SET `id`=?, `name`=?");
$save->bind_param('is', $id, $name);
$save->execute();
$save->close(); вариант с подготовленым
$id = 2;
$name = 'Windler';
$save = $mysqli->prepare("INSERT INTO `users` SET `id`=?, `name`=?");
$save->bind_param('is', $id, $name);
$save->execute();
$save->close();