Enhanced Exception Handler (for Laravel)

Provides a slightly enhanced exception handler to allow the re-throwing of exceptions.

Why?

Imagine you have the following code:

App::error(function(Illuminate\Database\Eloquent\ModelNotFoundException $exception)
{
	throw new Symfony\Component\HttpKernel\Exception\HttpException(404, null, $exception);
});

App::error(function(Symfony\Component\HttpKernel\Exception\HttpException $exception)
{
	return View::make('404');
});

Route::get('/', function() {
	$user = User::findOrFail(100);
});

If user 100 doesn't exist an Illuminate\Database\Eloquent\ModelNotFoundException will be thrown and caught by the first exception handler. The handler will then try to thrown a new Symfony\Component\HttpKernel\Exception\HttpException but the core framework will stop at this point and echo the message "Error in exception handler". This package changes the exception handling to allow throwing of exceptions from within a handler and in the above example will result in the 404 view being returned.

Recursion

By allowing recursive handling of exceptions it's possible to get stuck in a loop if the handler for FooException throws BarException and then the handler for BarException throws FooException. Because of this the handler will keep track of the exceptions it has previously seen and bail if the same type of exception is seen more than once.

Installation

Add alexwhitman/enhanced-exception-handler to the require section of your composer.json file.

"alexwhitman/enhanced-exception-handler": "1.2.x"

Run composer update to install the latest version.

Setup

The core exception handler service provider is registered very early in the process and so can't be replaced by simply changing the service provider registered in app/config/app.php. Instead, a new Application object is required to register the new handler.

To use the new Application object, update bootstrap/start.php and replace $app = new Illuminate\Foundation\Application; with $app = new AlexWhitman\EnhancedExceptionHandler\Application;.

Changelog

1.2.0

Update for Laravel 4.2

1.1.1

Fix for laravel/framework >= 4.1.25

1.1.0

Update for Laravel 4.1

1.0.0

Initial release

alexwhitman/laravel-enhanced-exception-handler

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