Kohana 3.1 Custom Error Handler

exception.php

<?php defined('SYSPATH') or die('No direct script access.');

class Kohana_Exception extends Kohana_Kohana_Exception {

	public static function handler(Exception $e)
	{
		if (Kohana::$environment === Kohana::DEVELOPMENT)
		{
			// If we are in development, show us the stack trace/etc
			parent::handler($e);
		}
		else
		{
			try
			{
				// Log the error
				Kohana::$log->add(Log::ERROR, parent::text($e));
				
				// If error code isn't specified, default to 500
				$error_code = ($e instanceof HTTP_Exception) ? $e->getCode() : 500;
				
				// Output the subrequest to the error page
				echo Request::factory("error/{$error_code}")
					->execute()
					->send_headers()
					->body();
			}
			catch (Exception $e)
			{
				// Clean the output buffer if one exists
				ob_get_level() and ob_clean();

				// Display the exception text
				echo Kohana_Exception::text($e), "\n";

				// Exit with an error status
				exit(1);
			}
		}
	}
	
}