bootstrap.php

<?php
use Doctrine\ORM\Tools\Setup;
use Doctrine\ORM\EntityManager;

require_once "vendor/autoload.php";

ini_set('display_errors', 'on');
error_reporting(E_ALL);

// Create a simple "default" Doctrine ORM configuration for Annotations
$isDevMode = true;
$config = Setup::createAnnotationMetadataConfiguration(array(__DIR__."/src/Entity"), $isDevMode);

// or if you prefer yaml or XML
//$config = Setup::createXMLMetadataConfiguration(array(__DIR__."/config/xml"), $isDevMode);
//$config = Setup::createYAMLMetadataConfiguration(array(__DIR__."/config/yaml"), $isDevMode);

// database configuration parameters

$conn = array(
    'driver' => 'pdo_mysql',
    'host' => 'localhost',
    'dbname' => 'silex_test',
    'user' => 'root',
    'password' => 'root',
);

//$conn = array(
//    'driver' => 'pdo_sqlite',
//    'path' => __DIR__ . '/db.sqlite',
//);


// obtaining the entity manager
$entityManager = EntityManager::create($conn, $config);