conn.php

<?php
$db_name = "drink_system";
$mysql_username = "root";
$mysql_password = "asdfg992";
$server_name = "localhost";
$conn = mysqli_connect($server_name, $mysql_username, $mysql_password, $db_name);
if($conn){
echo "connection success !";

}
else{

echo "conection not success";
}
?>