composer/tests/Composer/Test/Autoload/Fixtures/autoload_target_dir.php

<?php

// autoload.php generated by Composer
if (!class_exists('Composer\\Autoload\\ClassLoader', false)) {
    require __DIR__ . '/composer' . '/ClassLoader.php';
}

if (!class_exists('ComposerAutoloaderInitTargetDir', false)) {
    class ComposerAutoloaderInitTargetDir
    {
        public static function getLoader()
        {
            $loader = new \Composer\Autoload\ClassLoader();
            $composerDir = __DIR__ . '/composer';

            $map = require $composerDir . '/autoload_namespaces.php';
            foreach ($map as $namespace => $path) {
                $loader->add($namespace, $path);
            }

            $classMap = require $composerDir . '/autoload_classmap.php';
            if ($classMap) {
                $loader->addClassMap($classMap);
            }

            spl_autoload_register(array('ComposerAutoloaderInitTargetDir', 'autoload'));

            $loader->register();

            return $loader;
        }

        public static function autoload($class)
        {
            $dir = dirname(__DIR__) . '/';
            $prefixes = array('Main\\Foo', 'Main\\Bar');
            foreach ($prefixes as $prefix) {
                if (0 !== strpos($class, $prefix)) {
                    continue;
                }
                $path = $dir . implode('/', array_slice(explode('\\', $class), 2)).'.php';
                if (!$path = stream_resolve_include_path($path)) {
                    return false;
                }
                require $path;

                return true;
            }
        }
    }
}

return ComposerAutoloaderInitTargetDir::getLoader();