Log All deprecated into file log (not web toolbar)

index.php

<?php

use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Request;

require_once("vendor/autoload.php");

$app = new \Silex\Application();

$app['debug'] = true;

$app->register(new \Silex\Provider\MonologServiceProvider(), ['monolog.use_error_handler'=>false, 'monolog.logfile'=>__DIR__.'/php.log']);

$app->register(new \Silex\Provider\HttpFragmentServiceProvider());
$app->register(new \Silex\Provider\ServiceControllerServiceProvider());
$app->register(new \Silex\Provider\TwigServiceProvider());

$app->register(new \Silex\Provider\WebProfilerServiceProvider(), array(
    'profiler.cache_dir' => __DIR__.'/cache/profiler',
    'profiler.mount_prefix' => '/_profiler', // this is the default
));

$app->get('/', function () use ($app) {
	$app['logger']->info('toto');
	dump(E_USER_DEPRECATED, E_ALL, E_STRICT, E_ALL | E_STRICT, E_ALL & E_USER_DEPRECATED);
	@trigger_error('deprecated', E_USER_DEPRECATED);
	@trigger_error('user warning', E_NOTICE);
	return new Response('OK');
});
$app->boot();
$h = \Monolog\ErrorHandler::register($app['logger'], false);
$h->registerErrorHandler([], true, E_ALL, false);
$app->run();