1 files changed, 51 insertions, 0 deletions
diff --git a/vendor/myclabs/deep-copy/src/DeepCopy/TypeFilter/Spl/SplDoublyLinkedListFilter.php b/vendor/myclabs/deep-copy/src/DeepCopy/TypeFilter/Spl/SplDoublyLinkedListFilter.php
new file mode 100644
index 000000000..c33be4580
--- /dev/null
+++ b/vendor/myclabs/deep-copy/src/DeepCopy/TypeFilter/Spl/SplDoublyLinkedListFilter.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace DeepCopy\TypeFilter\Spl;
+
+use Closure;
+use DeepCopy\DeepCopy;
+use DeepCopy\TypeFilter\TypeFilter;
+use SplDoublyLinkedList;
+
+/**
+ * @final
+ */
+class SplDoublyLinkedListFilter implements TypeFilter
+{
+    private $copier;
+
+    public function __construct(DeepCopy $copier)
+    {
+        $this->copier = $copier;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function apply($element)
+    {
+        $newElement = clone $element;
+
+        $copy = $this->createCopyClosure();
+
+        return $copy($newElement);
+    }
+
+    private function createCopyClosure()
+    {
+        $copier = $this->copier;
+
+        $copy = function (SplDoublyLinkedList $list) use ($copier) {
+            // Replace each element in the list with a deep copy of itself
+            for ($i = 1; $i <= $list->count(); $i++) {
+                $copy = $copier->recursiveCopy($list->shift());
+
+                $list->push($copy);
+            }
+
+            return $list;
+        };
+
+        return Closure::bind($copy, null, DeepCopy::class);
+    }
+}