Fix return types for PHP 8.1

Author: derrabus

Finder.php

@@ -618,6 +618,7 @@ public function in($dirs)
      *
      * @throws \LogicException if the in() method has not been called
      */
+    #[\ReturnTypeWillChange]
     public function getIterator()
     {
         if (0 === \count($this->dirs) && 0 === \count($this->iterators)) {
@@ -702,6 +703,7 @@ public function hasResults()
      *
      * @return int
      */
+    #[\ReturnTypeWillChange]
     public function count()
     {
         return iterator_count($this->getIterator());

Iterator/CustomFilterIterator.php

@@ -46,6 +46,7 @@ public function __construct(\Iterator $iterator, array $filters)
      *
      * @return bool true if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         $fileinfo = $this->current();

Iterator/DateRangeFilterIterator.php

@@ -38,6 +38,7 @@ public function __construct(\Iterator $iterator, array $comparators)
      *
      * @return bool true if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         $fileinfo = $this->current();

Iterator/DepthRangeFilterIterator.php

@@ -38,6 +38,7 @@ public function __construct(\RecursiveIteratorIterator $iterator, int $minDepth
      *
      * @return bool true if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         return $this->getInnerIterator()->getDepth() >= $this->minDepth;

Iterator/ExcludeDirectoryFilterIterator.php

@@ -52,6 +52,7 @@ public function __construct(\Iterator $iterator, array $directories)
      *
      * @return bool True if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         if ($this->isRecursive && isset($this->excludedDirs[$this->getFilename()]) && $this->isDir()) {
@@ -71,6 +72,7 @@ public function accept()
     /**
      * @return bool
      */
+    #[\ReturnTypeWillChange]
     public function hasChildren()
     {
         return $this->isRecursive && $this->iterator->hasChildren();
@@ -79,6 +81,7 @@ public function hasChildren()
     /**
      * @return self
      */
+    #[\ReturnTypeWillChange]
     public function getChildren()
     {
         $children = new self($this->iterator->getChildren(), []);

Iterator/FileTypeFilterIterator.php

@@ -39,6 +39,7 @@ public function __construct(\Iterator $iterator, int $mode)
      *
      * @return bool true if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         $fileinfo = $this->current();

Iterator/FilecontentFilterIterator.php

@@ -24,6 +24,7 @@ class FilecontentFilterIterator extends MultiplePcreFilterIterator
      *
      * @return bool true if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         if (!$this->matchRegexps && !$this->noMatchRegexps) {

Iterator/FilenameFilterIterator.php

@@ -25,6 +25,7 @@ class FilenameFilterIterator extends MultiplePcreFilterIterator
      *
      * @return bool true if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         return $this->isAccepted($this->current()->getFilename());

Iterator/PathFilterIterator.php

@@ -24,6 +24,7 @@ class PathFilterIterator extends MultiplePcreFilterIterator
      *
      * @return bool true if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         $filename = $this->current()->getRelativePathname();

Iterator/SizeRangeFilterIterator.php

@@ -38,6 +38,7 @@ public function __construct(\Iterator $iterator, array $comparators)
      *
      * @return bool true if the value should be kept, false otherwise
      */
+    #[\ReturnTypeWillChange]
     public function accept()
     {
         $fileinfo = $this->current();