Demonstrates a Doctrine annotations loader not needing explicit paths.

annotations_loading.php

<?php
use Doctrine\Common\Annotations\AnnotationReader;
use Doctrine\Common\Annotations\AnnotationRegistry;

$src = __DIR__ . '/../src';
$vendors = __DIR__ . '/../vendor';

require_once "$vendors/autoload.php";

class Loader {

  /**
   * @var array
   */
  protected $namespaces;

  public function __construct(array $namespaces) {
    $this->namespaces = $namespaces;
  }

  /**
   * @param string $name
   *
   * @return bool
   */
  public function __invoke($name) {
    foreach ($this->namespaces as $namespace) {
      if (strpos($name, $namespace) === 0) {
        return true;
      }
    }
    return false;
  }
}

AnnotationRegistry::registerFile("$vendors/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php");
AnnotationRegistry::registerLoader(new Loader(array(
  'Symfony\Component\Validator\Constraints',
  'MyProject\Annotations',
)));

$reader = new AnnotationReader();
AnnotationReader::addGlobalIgnoredName('dummy');

$rc = new ReflectionClass('MyProject\Entities\User');
print_r($reader->getClassAnnotations($rc));