ini_set('display_errors',1); // enable php error display for easy trouble shooting
error_reporting(E_ALL); // set error display to all

$username = 'usename'; // username for the database
$password = 'password'; // password for the database
$database = 'database_name'; // name for the database

// define database connection
// and stop executing the rest of the script with connection error when something goes wrong
// (example: database does not exists, wrong username, wrong password etc)
// new for new object. We can have multiple objects at the same time which we will cover it later
$con = new mysqli("localhost",$username,$password,$database) or die("Error " . mysqli_error($con));
$con->query("SET NAMES 'utf8'"); // this is for multiple languages database
$con->query("SET time_zone = 'America/New_York'");