if (mysqli_connect_errno())
{
    echo "Failed to connect to MySQL: " . mysqli_connect_error();

exit();
}
else{

if($_SERVER['REQUEST_METHOD']=='POST'){
$con=mysqli_connect("localhost","dbName","pass","userName");

$name = $_POST["name"];
$username = $_POST["username"];
$mobile = $_POST["mobile"];
$password = $_POST["password"];

$statement = mysqli_prepare($con, "INSERT INTO UserDetails (name, username, mobile, password) VALUES (?, ?, ?, ?)");
mysqli_stmt_bind_param($statement, "ssss", $name, $username, $mobile, $password);
mysqli_stmt_execute($statement);
echo $name, $username, $mobile, $password;
mysqli_stmt_close($statement);

mysqli_close($con);}
   }
    ?>