Merge branch '2.8' into 3.4

* 2.8:
  [php_cs] disable fopen_flags
  [CS] Remove unused variables passed to closures
  [CS] Remove empty comment
  [CS] Enforces null type hint on last position in phpDocs
  [CS] Use combined assignment operators when possible
  Fix a typo in error messages
  [Console] Add missing null to input values allowed types
  [PHPUnitBridge] Fix microtime() format
  bumped Symfony version to 2.8.47
  update CONTRIBUTORS for 2.8.46
  updated VERSION for 2.8.46
  updated CHANGELOG for 2.8.46

Author: nicolas-grekas

DependencyInjection/Security/Factory/GuardAuthenticationFactory.php

@@ -115,6 +115,6 @@ private function determineEntryPoint($defaultEntryPointId, array $config)
         }
 
         // we have multiple entry points - we must ask them to configure one
-        throw new \LogicException(sprintf('Because you have multiple guard configurators, you need to set the "guard.entry_point" key to one of your configurators (%s)', implode(', ', $authenticatorIds)));
+        throw new \LogicException(sprintf('Because you have multiple guard authenticators, you need to set the "guard.entry_point" key to one of your authenticators (%s)', implode(', ', $authenticatorIds)));
     }
 }

Tests/DependencyInjection/CompleteConfigurationTest.php

@@ -594,7 +594,7 @@ public function testFirewallListenerWithProvider()
 
     protected function getContainer($file)
     {
-        $file = $file.'.'.$this->getFileExtension();
+        $file .= '.'.$this->getFileExtension();
 
         $container = new ContainerBuilder();
         $security = new SecurityExtension();