Fatal error: Call to a member function bind_param()

[Jose789]

Iniciado por xfxstudios

epa y aqui de donde sacas la base de datos'?????

Código PHP:

$conn = new mysqli($servername, $username, $password);
 

Código PHP:

  $servername = "localhost";
$username = "root";
$password = "hola123";
$db = "test";

// Create connection
$conn = new mysqli($servername, $username, $password, $db); 
   

Ahora tengo los siguientes errores

Warning: mysqli_stmt::bind_param(): Number of elements in type definition string doesn't match number of bind variables in

Notice: Trying to get property of non-object in