Merge branch '4.4' into 5.1

* 4.4:
  Update .php_cs.dist
  Apply "visibility_required" CS rule to constants

Finder.php

@@ -38,9 +38,9 @@
  */
 class Finder implements \IteratorAggregate, \Countable
 {
-    const IGNORE_VCS_FILES = 1;
-    const IGNORE_DOT_FILES = 2;
-    const IGNORE_VCS_IGNORED_FILES = 4;
+    public const IGNORE_VCS_FILES = 1;
+    public const IGNORE_DOT_FILES = 2;
+    public const IGNORE_VCS_IGNORED_FILES = 4;
 
     private $mode = 0;
     private $names = [];

Iterator/FileTypeFilterIterator.php

@@ -18,8 +18,8 @@
  */
 class FileTypeFilterIterator extends \FilterIterator
 {
-    const ONLY_FILES = 1;
-    const ONLY_DIRECTORIES = 2;
+    public const ONLY_FILES = 1;
+    public const ONLY_DIRECTORIES = 2;
 
     private $mode;
 

Iterator/SortableIterator.php

@@ -18,13 +18,13 @@
  */
 class SortableIterator implements \IteratorAggregate
 {
-    const SORT_BY_NONE = 0;
-    const SORT_BY_NAME = 1;
-    const SORT_BY_TYPE = 2;
-    const SORT_BY_ACCESSED_TIME = 3;
-    const SORT_BY_CHANGED_TIME = 4;
-    const SORT_BY_MODIFIED_TIME = 5;
-    const SORT_BY_NAME_NATURAL = 6;
+    public const SORT_BY_NONE = 0;
+    public const SORT_BY_NAME = 1;
+    public const SORT_BY_TYPE = 2;
+    public const SORT_BY_ACCESSED_TIME = 3;
+    public const SORT_BY_CHANGED_TIME = 4;
+    public const SORT_BY_MODIFIED_TIME = 5;
+    public const SORT_BY_NAME_NATURAL = 6;
 
     private $iterator;
     private $sort;

Tests/Iterator/MockSplFileInfo.php

@@ -13,9 +13,9 @@
 
 class MockSplFileInfo extends \SplFileInfo
 {
-    const TYPE_DIRECTORY = 1;
-    const TYPE_FILE = 2;
-    const TYPE_UNKNOWN = 3;
+    public const TYPE_DIRECTORY = 1;
+    public const TYPE_FILE = 2;
+    public const TYPE_UNKNOWN = 3;
 
     private $contents = null;
     private $mode = null;