Apply automatic code fixes for php 7.2 target

.php_cs

@@ -6,7 +6,7 @@ $config = require __DIR__ . '/vendor/glen/php-cs-fixer-config/phpcs.php';
 $rules = $config->getRuleBuilder();
 $finder = $config->getFinder();
 
-$rules['void_return'] = false;
+$rules['list_syntax'] = ['syntax' => 'short'];
 
 return $config;
 

install.php

@@ -7,7 +7,7 @@
  * - Downloads composer.
  * - Installs dependencies.
  */
-function out($out)
+function out($out): void
 {
     if (is_string($out)) {
         echo $out . "\n";

src/AbstractController.php

@@ -18,7 +18,7 @@ public function __construct(App $app)
         $this->app = $app;
     }
 
-    protected function render(string $template, array $data = [])
+    protected function render(string $template, array $data = []): void
     {
         /** @var Response $response */
         $response = $this->app->response;

src/Config.php

@@ -13,7 +13,7 @@ class Config
      * Load a config file, it will replace
      * all the currently loaded configuration.
      */
-    public static function load($file)
+    public static function load($file): void
     {
         $config = include $file;
         self::$config = array_merge(self::$config, $config);

src/Controller/CustomController.php

@@ -21,12 +21,12 @@ public function __construct(App $app, SearcherInterface $searcher)
         $this->searcher = $searcher;
     }
 
-    public function get()
+    public function get(): void
     {
         $this->render('custom/create.twig');
     }
 
-    public function help(Request $request)
+    public function help(Request $request): void
     {
         if ($request->get('id')) {
             $res = $this->searcher->get($request->get('id'));

src/Controller/ImportController.php

@@ -27,7 +27,7 @@ public function __construct(App $app, SaverInterface $saver, $token)
         $this->token = $token;
     }
 
-    public function import(Request $request, Response $response)
+    public function import(Request $request, Response $response): void
     {
         try {
             $id = $this->runImport($request);

src/Controller/MetricsController.php

@@ -20,7 +20,7 @@ public function __construct(App $app, SearcherInterface $searcher)
         $this->searcher = $searcher;
     }
 
-    public function metrics(Response $response)
+    public function metrics(Response $response): void
     {
         $stats = $this->searcher->stats();
 

src/Controller/RunController.php

@@ -15,7 +15,7 @@ class RunController extends AbstractController
     /**
      * HTTP GET attribute name for comma separated filters
      */
-    const FILTER_ARGUMENT_NAME = 'filter';
+    private const FILTER_ARGUMENT_NAME = 'filter';
 
     /**
      * @var SearcherInterface
@@ -28,7 +28,7 @@ public function __construct(App $app, SearcherInterface $searcher)
         $this->searcher = $searcher;
     }
 
-    public function index(Request $request, Response $response)
+    public function index(Request $request, Response $response): void
     {
         // The list changes whenever new profiles are recorded.
         // Generally avoid caching, but allow re-use in browser's bfcache
@@ -82,7 +82,7 @@ public function index(Request $request, Response $response)
         ]);
     }
 
-    public function view(Request $request, Response $response)
+    public function view(Request $request, Response $response): void
     {
         // Permalink views to a specific run are meant to be public and immutable.
         // But limit the cache to only a short period of time (enough to allow
@@ -145,7 +145,7 @@ protected function getFilters()
         return $filters;
     }
 
-    public function deleteForm(Request $request)
+    public function deleteForm(Request $request): void
     {
         $id = $request->get('id');
         if (!is_string($id) || !strlen($id)) {
@@ -161,7 +161,7 @@ public function deleteForm(Request $request)
         ]);
     }
 
-    public function deleteSubmit(Request $request)
+    public function deleteSubmit(Request $request): void
     {
         $id = $request->post('id');
         // Don't call profilers->delete() unless $id is set,
@@ -180,12 +180,12 @@ public function deleteSubmit(Request $request)
         $this->app->redirect($this->app->urlFor('home'));
     }
 
-    public function deleteAllForm()
+    public function deleteAllForm(): void
     {
         $this->render('runs/delete-all-form.twig');
     }
 
-    public function deleteAllSubmit()
+    public function deleteAllSubmit(): void
     {
         // Delete all profile runs.
         $this->searcher->truncate();
@@ -195,7 +195,7 @@ public function deleteAllSubmit()
         $this->app->redirect($this->app->urlFor('home'));
     }
 
-    public function url(Request $request)
+    public function url(Request $request): void
     {
         $pagination = [
             'sort' => $request->get('sort'),
@@ -247,7 +247,7 @@ public function url(Request $request)
         ]);
     }
 
-    public function compare(Request $request)
+    public function compare(Request $request): void
     {
         $baseRun = $headRun = $candidates = $comparison = null;
         $paging = [];
@@ -300,14 +300,14 @@ public function compare(Request $request)
         ]);
     }
 
-    public function symbol(Request $request)
+    public function symbol(Request $request): void
     {
         $id = $request->get('id');
         $symbol = $request->get('symbol');
 
         $profile = $this->searcher->get($id);
         $profile->calculateSelf();
-        list($parents, $current, $children) = $profile->getRelatives($symbol);
+        [$parents, $current, $children] = $profile->getRelatives($symbol);
 
         $this->render('runs/symbol.twig', [
             'symbol' => $symbol,
@@ -319,7 +319,7 @@ public function symbol(Request $request)
         ]);
     }
 
-    public function symbolShort(Request $request)
+    public function symbolShort(Request $request): void
     {
         $id = $request->get('id');
         $threshold = $request->get('threshold');
@@ -328,7 +328,7 @@ public function symbolShort(Request $request)
 
         $profile = $this->searcher->get($id);
         $profile->calculateSelf();
-        list($parents, $current, $children) = $profile->getRelatives($symbol, $metric, $threshold);
+        [$parents, $current, $children] = $profile->getRelatives($symbol, $metric, $threshold);
 
         $this->render('runs/symbol-short.twig', [
             'symbol' => $symbol,
@@ -340,7 +340,7 @@ public function symbolShort(Request $request)
         ]);
     }
 
-    public function callgraph(Request $request)
+    public function callgraph(Request $request): void
     {
         $profile = $this->searcher->get($request->get('id'));
 

src/Controller/WatchController.php

@@ -20,14 +20,14 @@ public function __construct(App $app, SearcherInterface $searcher)
         $this->searcher = $searcher;
     }
 
-    public function get()
+    public function get(): void
     {
         $watched = $this->searcher->getAllWatches();
 
         $this->render('watch/list.twig', ['watched' => $watched]);
     }
 
-    public function post(Request $request)
+    public function post(Request $request): void
     {
         $saved = false;
         foreach ((array)$request->post('watch') as $data) {

src/Controller/WaterfallController.php

@@ -23,7 +23,7 @@ public function __construct(App $app, SearcherInterface $searcher)
         $this->searcher = $searcher;
     }
 
-    public function index()
+    public function index(): void
     {
         $request = $this->app->request();
         $search = [];
@@ -55,7 +55,7 @@ public function index()
         ]);
     }
 
-    public function query(Request $request, Response $response)
+    public function query(Request $request, Response $response): void
     {
         $search = [];
         $keys = ['remote_addr', 'request_start', 'request_end'];

src/Db/PdoRepository.php

@@ -129,7 +129,7 @@ public function findByUrl(string $url, string $direction, int $skip, int $perPag
         }
     }
 
-    public function deleteById(string $id)
+    public function deleteById(string $id): void
     {
         $stmt = $this->pdo->prepare(sprintf('
           DELETE FROM %s
@@ -166,7 +166,7 @@ public function getStatistics()
         return $row ?: null;
     }
 
-    public function initSchema()
+    public function initSchema(): void
     {
         $this->pdo->exec(sprintf('
             CREATE TABLE IF NOT EXISTS %s (
@@ -189,7 +189,7 @@ public function initSchema()
         ', $this->table));
     }
 
-    public function saveProfile(array $data)
+    public function saveProfile(array $data): void
     {
         $stmt = $this->pdo->prepare(sprintf('
             INSERT INTO %s (

src/Options/OptionsConfigurator.php

@@ -35,7 +35,7 @@ public function offsetGet($offset)
         return $this->options[$offset];
     }
 
-    public function offsetSet($offset, $value)
+    public function offsetSet($offset, $value): void
     {
         if (null === $offset) {
             $this->options[] = $value;
@@ -44,7 +44,7 @@ public function offsetSet($offset, $value)
         }
     }
 
-    public function offsetUnset($offset)
+    public function offsetUnset($offset): void
     {
         unset($this->options[$offset]);
     }

src/Options/SearchOptions.php

@@ -18,7 +18,7 @@ class SearchOptions extends OptionsConfigurator
      *  - conditions: an array of criteria to match
      *  - projection: an array or bool
      */
-    protected function configureOptions(OptionsResolver $resolver)
+    protected function configureOptions(OptionsResolver $resolver): void
     {
         // NOTE: the null values is trickery to set default values via null value
         $defaults = [