// Conexión a la base de datos
$host = "localhost";
$user = "conectap_sonfyc";
$password = "CarlosSalut2023!";
$dbname = "conectap_sonfyc";
$conn = new mysqli($host, $user, $password, $dbname);

if ($conn->connect_error) {
    die("Conexión fallida: " . $conn->connect_error);

Tabla Usuarios creada e insertados datos de ejemplo.<br />
<b>Fatal error</b>:  Uncaught Error: mysqli object is already closed in /home/conectap/sonfyc.rafaeltuduri.com/Usuarios.php:76
Stack trace:
#0 /home/conectap/sonfyc.rafaeltuduri.com/Usuarios.php(76): mysqli-&gt;query('DROP TABLE IF E...')
#1 {main}
  thrown in <b>/home/conectap/sonfyc.rafaeltuduri.com/Usuarios.php</b> on line <b>76</b><br />