MageEnvironmentTrait

<?php

class MageEnvironmentTrait
{
    public function setEnvironment($env = null)
    {
        if (!$env) {
            $env = Mage_Core_Model_App_Area::AREA_FRONTEND;
        }
        Mage::getSingleton('core/session', array('name' => $env));
        Mage::getConfig()->init();
        Mage::getConfig()->loadEventObservers($env);
        Mage::app()->addEventArea($env);
        Mage::app()->loadArea($env);
    }
}