bootstrap_config.php

<?php
// bootstrap_doctrine.php

// See :doc:`Configuration <../reference/configuration>` for up to date autoloading details.
use Doctrine\ORM\Tools\Setup;

require_once "Doctrine\ORM\Tools\Setup.php";
Setup::registerAutoloadPEAR();

// Create a simple "default" Doctrine ORM configuration for XML Mapping
$isDevMode = true;
$config = Setup::createXMLMetadataConfiguration(__DIR__."/config/mappings/xml", $isDevMode);
// or if you prefer yaml or annotations
//$config = Setup::createAnnotationMetadataConfiguration(__DIR__."/entities", $isDevMode);
//$config = Setup::createYAMLMetadataConfiguration(__DIR__."/config/mappings/yml", $isDevMode);

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

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