Adding the monolog.use_error_handler parameter to configure whether t…

…he monolog ErrorHandler should be registered.

The error handler is now disabled by default when the application debug parameter is set to true, to ensure it won't silence exceptions and/or errors.

doc/providers/monolog.rst

@@ -31,6 +31,14 @@ Parameters
 * **monolog.exception.logger_filter** (optional): An anonymous function that
   filters which exceptions should be logged.
 
+* **monolog.use_error_handler** (optional): Whether errors and uncaught exceptions
+  should be handled by the Monolog ``ErrorHandler`` class and added to the log.
+  By default the error handler is enabled unless the application ``debug`` parameter
+  is set to true.
+
+  Please note that enabling the error handler may silence some errors,
+  ignoring the PHP ``display_errors`` configuration setting.
+
 Services
 --------
 

src/Silex/Provider/MonologServiceProvider.php

@@ -106,11 +106,14 @@ public function register(Container $app)
         $app['monolog.permission'] = null;
         $app['monolog.exception.logger_filter'] = null;
         $app['monolog.logfile'] = null;
+        $app['monolog.use_error_handler'] = !$app['debug'];
     }
 
     public function boot(Application $app)
     {
-        ErrorHandler::register($app['monolog']);
+        if ($app['monolog.use_error_handler']) {
+            ErrorHandler::register($app['monolog']);
+        }
 
         if (isset($app['monolog.listener'])) {
             $app['dispatcher']->addSubscriber($app['monolog.listener']);