FLOW3: Redirect to action based on (sub)domain

AbstractBaseController.php

<?php
abstract class AbstractBaseController extends ActionController {

	/**
	 * Redirect to specific controller if current subdomain is not equal to the current controller name
	 * Note: initializeAction() is called before every action by default
	 *
	 * @return void
	 */
	protected function initializeAction() {
		$domainParts = explode('.', $this->environment->getHTTPHost());
		if (count($domainParts) < 2) {
			return;
		}
		$subDomainName = $domainParts[0];
		if (strtolower($subDomainName) === strtolower($this->request->getControllerName())) {
			return;
		}
		$this->forward('index', $subDomainName);
	}
}
?>