PDO-OOP-PHP-CRUD-with-Bootstrap 2016 (Insert,Delete,Update Commands) | Part-7

if(isset($_REQUEST['submit'])){

$name=$_REQUEST['firstname'];
$last=$_REQUEST['lastname'];
$con=$_REQUEST['country'];
$mas=$_REQUEST['massage'];

$query="insert into first_table SET name='$name', lastname='$last', country='$con', massage='$mas'";

$sql=$conn->prepare($query);

$sql->execute();
}
?>
i am using this code and you told some different in pdo so which code i will prefer

doing well work i have a issue

can u do a tutorial in english version

if you have any problem till now in this tutorial you can comment your
problem i will try to solve your problem thanks for watching and dont
forget to like and subscribe.