Api limit with Laravel

api_limit.filter.php

<?php

Route::filter('api.limit', function() {
    $key = sprintf('api:%s', Auth::user()->api_key);
  
    // On crée le cache 
    apc_add($key, 0, 60 * 60);
  
    // On incrément l'appel de 1
    $count = apc_inc($key);
  
    if ($count > Config::get('api.requests_per_hour')) {
        App::abort(403, 'Hourly request limit exceeded');
    }
});