$query = "INSERT INTO articles (Title,Description) VALUES ('{$title}','{$description}')";
$result = mysqli_query($connection, $query);

$query = "INSERT INTO articles (Title,Description) VALUES ('{$title}','{$description}')";
$result = mysqli_query($connection, $query);
$id = mysqli_insert_id($connection);

$insertId = mysqli_insert_id ( $connection );

mysql_query("INSERT INTO mytable (product) values ('kossu')");
printf("Last inserted record has id %dn", mysql_insert_id());