Zend Autoloader

_autoload.php

    // if composer autoloader is missing, explicitly add the ZF library path
    require_once __DIR__ . '/../vendor/' . 'zendframework/library/Zend/Loader/StandardAutoloader.php';
    $loader = new Zend\Loader\StandardAutoloader(
        array(
             Zend\Loader\StandardAutoloader::LOAD_NS => array(
                 'Zend'     => __DIR__ . '/../vendor/zendframework/library/Zend',
                 'Model'     => __DIR__ . '/../Model',
                 'ModelTest' => __DIR__ . '/ModelTest',
             ),
        ));
    $loader->register();

Зачем? Ты потерял composer? О_о