FressRSS/app/Controllers/errorController.php

<?php

class FreshRSS_error_Controller extends Minz_ActionController {
	public function indexAction() {
		switch (Minz_Request::param('code')) {
			case 403:
				$this->view->code = 'Error 403 - Forbidden';
				break;
			case 404:
				$this->view->code = 'Error 404 - Not found';
				break;
			case 500:
				$this->view->code = 'Error 500 - Internal Server Error';
				break;
			case 503:
				$this->view->code = 'Error 503 - Service Unavailable';
				break;
			default:
				$this->view->code = 'Error 404 - Not found';
		}

		$errors = Minz_Request::param('logs', array());
		$this->view->errorMessage = trim(implode($errors));
		if ($this->view->errorMessage == '') {
			switch(Minz_Request::param('code')) {
				case 403:
					$this->view->errorMessage = _t('forbidden_access');
					break;
				case 404:
				default:
					$this->view->errorMessage = _t('page_not_found');
					break;
			}
		}

		Minz_View::prependTitle($this->view->code . ' · ');
	}
}