update travis and sami

Author: gossi

.travis.yml

@@ -7,7 +7,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
-  - hhvm
+  # - hhvm # broken with nikic/php-parser
 
 install:
   - composer install

sami.php

@@ -4,6 +4,7 @@
 use Sami\Sami;
 use Sami\Version\GitVersionCollection;
 use Symfony\Component\Finder\Finder;
+use Sami\Parser\Filter\PublicFilter;
 
 $dir = __DIR__ . '/src';
 $iterator = Finder::create()
@@ -17,11 +18,22 @@
 	->add('master', 'master branch')
 ;
 
-return new Sami($iterator, [
+$sami = new Sami($iterator, [
 	'title' => 'PHP Code Generator API',
 	'theme' => 'default',
 	'versions' => $versions,
 	'build_dir' => __DIR__ . '/api/%version%',
 	'cache_dir' => __DIR__ . '/cache/%version%',
-	'default_opened_level' => 2
+	'default_opened_level' => 2,
+	'sort_class_properties' => true,
+	'sort_class_methods' => true,
+	'sort_class_constants' => true,
+	'sort_class_traits' => true,
+	'sort_class_interfaces' => true
 ]);
+
+$sami['filter'] = function () {
+	return new PublicFilter();
+};
+
+return $sami;