li3_errors.php

<?php

use lithium\core\ErrorHandler;
use lithium\action\Response;
use lithium\net\http\Media;
use lithium\analysis\Debugger;
use lithium\analysis\Logger;
use lithium\core\Environment;

/**
 * set up a basic logging configuration that will write to a file
 */
Logger::config(array(
	'error' => array(
		'production' => array(
			'adapter' => 'File',
			'file' => function($data, $config) { return "{$data['priority']}.prod.log"; }
		)
)));

ErrorHandler::apply('lithium\action\Dispatcher::run', array(), function($info, $params) {

	$response = new Response(array(
		'request' => $params['request'],
		'status' => $info['exception']->getCode()
	));

	if (Environment::is('production')) {

		//prepare error data to log
		$data = json_encode(array(
			'message' => $info['exception']->getMessage(),
			'source' => json_encode(array(
				'file' => $info['exception']->getFile(),
				'line' => $info['exception']->getLine()
			)),
			'stack_trace' => json_encode(Debugger::trace(array(
				'format' => 'array',
				'trace' => $info['exception']->getTrace()
			))),
			'code' => $info['exception']->getCode()
		));

		//log json encoded errors
		Logger::error("{$data}");

		//for a 404 show a 404 page and for all other exceptions, show the user a 500 error
		$errors_template = ($info['exception']->getCode() == 404) ? '404' : '500';

		Media::render($response, compact('info', 'params'), array(
				'library' => 'app',
				'controller' => '_errors',
				'template' => $errors_template,
				'layout' => false,
				'request' => $params['request']
		));
	}
	else {
		Media::render($response, compact('info', 'params'), array(
			'controller' => '_errors',
			'template' => 'development',
			'layout' => 'error',
			'request' => $params['request']
		));
	}

	return $response;
});

?>