How to properly set up a PDO connection

Question

From time to time I see questions regarding connecting to database.
Most answers is not the way I do it, or I might just not get the answers correctly. Anyway; I\'ve nev

Answer 1

$dsn = 'mysql:host=your_host_name;dbname=your_db_name_here'; // define host name and database name
    $username = 'you'; // define the username
    $pwd='your_password'; // password
    try {
        $db = new PDO($dsn, $username, $pwd);
    }
    catch (PDOException $e) {
        $error_message = $e->getMessage();
        echo "this is displayed because an error was found";
        exit();
}