feature #22820 Remove PHP < 7.1.3 code (ogizanagi)

This PR was squashed before being merged into the 4.0-dev branch (closes #22820).

Discussion
----------

Remove PHP < 7.1.3 code

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | yes
| Deprecations? | no <!-- don't forget updating UPGRADE-*.md files -->
| Tests pass?   | yes
| Fixed tickets | symfony/symfony#22733
| License       | MIT
| Doc PR        | N/A

Commits
-------

54adaf8 Remove PHP < 7.1.3 code

Author: nicolas-grekas

CHANGELOG.md

@@ -5,6 +5,7 @@ CHANGELOG
 -----
 
  * removed `ExceptionInterface`
+ * removed `Symfony\Component\Finder\Iterator\FilterIterator`
 
 3.4.0
 -----

Iterator/CustomFilterIterator.php

@@ -19,7 +19,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class CustomFilterIterator extends FilterIterator
+class CustomFilterIterator extends \FilterIterator
 {
     private $filters = array();
 

Iterator/DateRangeFilterIterator.php

@@ -18,7 +18,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class DateRangeFilterIterator extends FilterIterator
+class DateRangeFilterIterator extends \FilterIterator
 {
     private $comparators = array();
 

Iterator/DepthRangeFilterIterator.php

@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class DepthRangeFilterIterator extends FilterIterator
+class DepthRangeFilterIterator extends \FilterIterator
 {
     private $minDepth = 0;
 

Iterator/ExcludeDirectoryFilterIterator.php

@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class ExcludeDirectoryFilterIterator extends FilterIterator implements \RecursiveIterator
+class ExcludeDirectoryFilterIterator extends \FilterIterator implements \RecursiveIterator
 {
     private $iterator;
     private $isRecursive;

Iterator/FileTypeFilterIterator.php

@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class FileTypeFilterIterator extends FilterIterator
+class FileTypeFilterIterator extends \FilterIterator
 {
     const ONLY_FILES = 1;
     const ONLY_DIRECTORIES = 2;

Iterator/FilterIterator.php

@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-abstract class MultiplePcreFilterIterator extends FilterIterator
+abstract class MultiplePcreFilterIterator extends \FilterIterator
 {
     protected $matchRegexps = array();
     protected $noMatchRegexps = array();

Iterator/MultiplePcreFilterIterator.php

@@ -118,11 +118,6 @@ public function rewind()
             return;
         }
 
-        // @see https://bugs.php.net/68557
-        if (PHP_VERSION_ID < 50523 || PHP_VERSION_ID >= 50600 && PHP_VERSION_ID < 50607) {
-            parent::next();
-        }
-
         parent::rewind();
     }
 

Iterator/RecursiveDirectoryIterator.php

@@ -18,7 +18,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class SizeRangeFilterIterator extends FilterIterator
+class SizeRangeFilterIterator extends \FilterIterator
 {
     private $comparators = array();