Smopp_v2/objectadd.php

<?php
include "auth.php";
if (isset($_POST['namemachine']))
{
    $namemachine = htmlentities(mysqli_real_escape_string($link, $_POST['namemachine']));



    $query = "INSERT INTO object_field VALUES (NULL,'$namemachine')";
    $result = mysqli_query($link, $query) or die("Ошибка " . mysqli_error($link));
    echo "Объект добавлен";

}