Attachments to Doctrine Jira Issue DDC-711 - https://github.com/doctrine/doctrine2/issues/5224

10707_Doctrine.php

<?php

use Doctrine\Common\ClassLoader,
    Doctrine\ORM\Configuration,
    Doctrine\ORM\EntityManager,
    Doctrine\Common\Cache\ArrayCache,
    Doctrine\DBAL\Logging\EchoSqlLogger;

class Doctrine {

  public $em = null;

  public function __construct()
  {
    // load database configuration from CodeIgniter
    require_once APPPATH.'config/database.php';

    // Set up class loading. You could use different autoloaders, provided by your favorite framework,
    // if you want to.
    require_once APPPATH.'libraries/Doctrine/Common/ClassLoader.php';

    $doctrineClassLoader = new ClassLoader('Doctrine',  'c:/xampp/xampplite/htdocs/CodeIgniter_1.7.2/ci/application/libraries');
    $doctrineClassLoader->register();
    $entitiesClassLoader = new ClassLoader('Entities', 'C:/xampp/xampplite/htdocs/CodeIgniter_1.7.2/ci/application');
    $entitiesClassLoader->register();
    $proxiesClassLoader = new ClassLoader('Proxies', 'c:/xampp/xampplite/htdocs/CodeIgniter_1.7.2/ci/application/Entities/proxies');
    $proxiesClassLoader->register();

    // Set up caches
    $config = new Configuration;
    $cache = new ArrayCache;
    $config->setMetadataCacheImpl($cache);
    $config->setQueryCacheImpl($cache);

	$driverImpl = $config->newDefaultAnnotationDriver('c:/xampp/xampplite/htdocs/CodeIgniter_1.7.2/ci/application/Entities');
	$config->setMetadataDriverImpl($driverImpl);

    // Proxy configuration
    $config->setProxyDir('c:/xampp/xampplite/htdocs/CodeIgniter_1.7.2/ci/application/Entities/proxies');
    $config->setProxyNamespace('Proxies');

    // Set up logger
    $logger = new EchoSqlLogger;
    $config->setSqlLogger($logger);

    $config->setAutoGenerateProxyClasses( TRUE );

    // Database connection information
    $connectionOptions = array(
        'driver' => 'pdo_mysql',
        'user' =>     $db['default']['username'],
        'password' => $db['default']['password'],
        'host' =>     $db['default']['hostname'],
        'dbname' =>   $db['default']['database']
    );

    // Create EntityManager
    $this->em = EntityManager::create($connectionOptions, $config);
  }
}