Laravel 4 Route group filtering From http://paste.laravel.com/16ya

filters.php

<?php
//Not work
Route::filter('test', function()
{
    die('test filtered');
});
Route::when('test/*', 'test');
Route::get('test',function(){
	return 'test';
});
Route::get('test/a',function(){
	return 'test A';
});
Route::get('test/b',function(){
	return 'test B';
});

//Work
Route::filter('testFilter', function()
{
    die('test filtered');
});
Route::group(array('before'=>'testFilter','prefix' => 'test'),function(){
	Route::get('/',function(){
		return 'test';
	});
	Route::get('/a',function(){
		return 'test A';
	});
	Route::get('/b',function(){
		return 'test B';
	});
});