Generate a service locator when in development mode

index.php

$config; // array with di configuration

if (APPLICATION_ENV == 'development' || !class_exists('Application\Context') {
  $di = new Zend\Di\Di($config);
  $generator = new Generator($di);
  $generator->setNamespace('Application')
        ->setContainerClass('Context');
  $file = $generator->getCodeGenerator();
  $file->setFilename(__DIR__ . '/../Application/Context.php');
  $file->write();
}
$context = new Appliation\Context;