Merge branch '3.4' into 4.0

* 3.4: (32 commits)
  [Form] fix tests and deps
  [Cache] Rely on mock for Doctrine ArrayCache
  [FrameworkBundle] Respect debug mode when warm up annotations
  [Console] Fix docblock of DescriptorInterface::describe
  [Config] Handle nullable node name + fix inheritdocs
  [Security] added userChecker to SimpleAuthenticationProvider
  [Debug] fix test
  Fix typo in test method name
  Fixes #26563 (open_basedir restriction in effect)
  [Debug] Reset previous exception handler ealier to prevent infinite loop
  add hint in Github pull request template
  [Validator] Fix docblock of ClassMetadata#members
  [BrowserKit] Fix cookie path handling when $domain is null
  [DoctrineBridge] Don't rely on ClassMetadataInfo->hasField in DoctrineOrmTypeGuesser anymore
  [BrowserKit] Improves CookieJar::get
  [BrowserKit] Fix Cookie's PHPDoc
  [DomCrawler] Change bad wording in ChoiceFormField::untick
  [DomCrawler] Fix the PHPDoc of ChoiceFormField::setValue
  [DomCrawler] Avoid a useless call to strtolower
  [FrameworkBundle] HttpCache is not longer abstract
  ...

Author: nicolas-grekas

Translation/TwigExtractor.php

@@ -54,8 +54,7 @@ public function __construct(Environment $twig)
      */
     public function extract($resource, MessageCatalogue $catalogue)
     {
-        $files = $this->extractFiles($resource);
-        foreach ($files as $file) {
+        foreach ($this->extractFiles($resource) as $file) {
             try {
                 $this->extractTemplate(file_get_contents($file->getPathname()), $catalogue);
             } catch (Error $e) {

composer.json

@@ -23,7 +23,7 @@
         "symfony/asset": "~3.4|~4.0",
         "symfony/dependency-injection": "~3.4|~4.0",
         "symfony/finder": "~3.4|~4.0",
-        "symfony/form": "^3.4.5|^4.0.5",
+        "symfony/form": "^3.4.7|^4.0.7",
         "symfony/http-foundation": "~3.4|~4.0",
         "symfony/http-kernel": "~3.4|~4.0",
         "symfony/polyfill-intl-icu": "~1.0",
@@ -41,7 +41,7 @@
         "symfony/workflow": "~3.4|~4.0"
     },
     "conflict": {
-        "symfony/form": "<3.4.5|<4.0.5,>=4.0",
+        "symfony/form": "<3.4.7|<4.0.7,>=4.0",
         "symfony/console": "<3.4"
     },
     "suggest": {