Merge branch '3.1' into 3.2

* 3.1: (31 commits)
  fixed CS
  fixed CS
  fixed CS fixer config
  fixed typo
  Revert "fixed typo"
  fixed typo
  fixed CS
  Avoid setting request attributes from signature arguments in AnnotationClassLoader
  [DependencyInjection] Add some missing typehints in YamlFileLoader
  [DependencyInjection] minor: Fix a DocBlock
  [HttpKernel] Give higher priority to adding request formats
  [PropertyInfo] Don't try to access a property thru a static method
  [PropertyInfo] Exclude static methods form properties guessing
  [FrameworkBundle] Fix third level headers for MarkdownDescriptor
  [Ldap] Using Ldap stored username instead of form submitted one
  [Ldap] load users with the good username case
  [DoctrineBridge] Fixed invalid unique value as composite key
  [Doctrine Bridge] fix UniqueEntityValidator for composite object primary keys
  [TwigBundle] do not lose already set method calls
  #20411 fix Yaml parsing for very long quoted strings
  ...

ClassCollectionLoader.php

@@ -299,7 +299,13 @@ REGEX;
      */
     private static function writeCacheFile($file, $content)
     {
-        $tmpFile = tempnam(dirname($file), basename($file));
+        $dir = dirname($file);
+        if (!is_writable($dir)) {
+            throw new \RuntimeException(sprintf('Cache directory "%s" is not writable.', $dir));
+        }
+
+        $tmpFile = tempnam($dir, basename($file));
+
         if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {
             @chmod($file, 0666 & ~umask());
 

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2016 Fabien Potencier
+Copyright (c) 2004-2017 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Tests/Fixtures/Namespaced/WithStrictTypes.php

@@ -4,7 +4,7 @@
  * foo
  */
 
-declare (strict_types = 1);
+declare(strict_types=1);
 
 namespace Namespaced;