Exclude files based on path before applying the sorting

Sorting can be slow, so it is best to applied it after all filtering
rules are applied instead of using a bigger list and filtering again
after that.

Author: stof

src/Symfony/Component/Finder/Adapter/PhpAdapter.php

@@ -68,15 +68,15 @@ public function searchInDirectory($dir)
             $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
         }
 
+        if ($this->paths || $this->notPaths) {
+            $iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $this->notPaths);
+        }
+
         if ($this->sort) {
             $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
             $iterator = $iteratorAggregate->getIterator();
         }
 
-        if ($this->paths || $this->notPaths) {
-            $iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $this->notPaths);
-        }
-
         return $iterator;
     }