<?php
set_include_path('/your_path/');
require_once 'Zend/Loader/Autoloader.php';
Zend_Loader_Autoloader::getInstance();
$translator = new Zend_Translate(
array(
'adapter' => 'array',
'content' => './languages',
'locale' => 'pt_BR',
'scan' => Zend_Translate::LOCALE_DIRECTORY
)
);
var_dump($translator->getMessages('all'));