<?php
session_start();
if (!isset($_SESSION['loggedin'])) {
    exit("unauthorized");
}

include "../database.php";

$name = $_POST["name"];
$value = $_POST["value"];

$sql_update = "UPDATE check_parameters SET value = '$value' WHERE name = '$name'";
if ($con->query($sql_update)) {
    echo "ok";
} else {
    echo "error";
}

$con->close();