Merge branch '2.8' into 3.4

* 2.8:
  Remove redundant path check

src/Symfony/Component/HttpFoundation/Request.php

@@ -1186,7 +1186,7 @@ class Request
         }
 
         $sourceDirs = explode('/', isset($basePath[0]) && '/' === $basePath[0] ? substr($basePath, 1) : $basePath);
-        $targetDirs = explode('/', isset($path[0]) && '/' === $path[0] ? substr($path, 1) : $path);
+        $targetDirs = explode('/', substr($path, 1));
         array_pop($sourceDirs);
         $targetFile = array_pop($targetDirs);