Warning: mysqli_query() expects at least 2 parameters, 1 given in C:\wamp64\www\project\plusweb\pluspro_admin\config.php on line

Question

function qry_run($qry){

$QrY = mysqli_query($qry);

if ($QrY)
{

return $QrY;

}else{

echo mysqli_error();

die;

}
}

Answer 1

You have to connect to the database with mysqli_connect();
https://www.w3schools.com/php/func_mysqli_connect.asp

mysqli_query() takes at least 2 parameters. The connection instance and the query string.

In practice
$conn = mysqli_connect(.....);
$result = mysqli_query($conn, $qry);