function DROPDOWN list from mysql database and display results in a table using php
```
connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT id, firstname, lastname FROM MyGuests";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
// output data of each row
echo "| ID | Name | Lastname |
|---|
";
while($row = $result->fetch_assoc()) {
echo "| ".$row["id"]." | ".$row["firstname"]." | ".$row["lastname"]." |
";
}
echo "
";
} else {
echo "0 results";
}
$conn->close();
?>
```