<?php

$servername = "localhost";
$username = "root";  //your username
$password = "root";  // your PW

try {
    $conn = new PDO("mysql:host=$servername;port=3307;dbname=test", $username, $password);
    // set the PDO error mode to exception
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
    echo "Connection failed: " . $e -> getMessage();
}

 ?>