php pdo connection
$host = "localhost";//Ip of database, in this case my host machine
$user = "root"; //Username to use
$pass = "qwerty";//Password for that user
$dbname = "DB";//Name of the database
try {
$connection = new PDO("mysql:host=$host;dbname=$dbname", $user, $pass);
$connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}catch(PDOException $e)
{
echo $e->getMessage();
}