Untitled

<?php
if(isset($_POST['submit'])){
    $prueba = $_POST['txtPrueba'];
    $ip = $_SERVER['REMOTE_ADDR'];
    if($prueba !='')
    {
        $curl_handle=curl_init();
        curl_setopt($curl_handle,CURLOPT_URL,'192.168.2.2/connection.php');
        curl_setopt($curl_handle, CURLOPT_POST, 1);
        curl_setopt($curl_handle, CURLOPT_POSTFIELDS, "prueba=$_POST['txtPrueba']");
        $res = curl_exec($curl_handle);
        curl_close($curl_handle);
        if ($res) {
            echo "success message";
        }
    }
    else{
        ?><span><?php echo "Error";?></span> <?php
    }
}
?>

<html>
<head><title>Prueba | ProyectoTI</title></head>
    <body>
        <h1>Prueba ProyectoTI | <a>Santiago Troitiño C - 201421697</a></h1>
        <form action="<?PHP $_PHP_SELF ?>" method="post">
            Nombre <input type="text" name="txtPrueba" value="" placeholder="Ingresar prueba" /><br/>
            <input type="submit" name="btnSubmit" value="Login"/>
        </form>
    </body>
</html>

<?php
$servername = "localhost"; //replace it with your database server name
$username = "root";  //replace it with your database username
$password = "";  //replace it with your database password
$dbname = "proyectoti";
// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}
?>