From 868602a559cf697f9318d9f266f4d9a74339fe9a Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <odigiman@gmail.com>
Date: Wed, 29 Mar 2017 13:55:10 +0100
Subject: [PATCH] Add __clone to CompoundTag and ListTag, fixed issues with
 items sharing the same NBT tag objects

---
 src/pocketmine/nbt/tag/CompoundTag.php | 8 ++++++++
 src/pocketmine/nbt/tag/ListTag.php     | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/pocketmine/nbt/tag/CompoundTag.php b/src/pocketmine/nbt/tag/CompoundTag.php
index 99f384a4e..45ab5bf6d 100644
--- a/src/pocketmine/nbt/tag/CompoundTag.php
+++ b/src/pocketmine/nbt/tag/CompoundTag.php
@@ -111,4 +111,12 @@ class CompoundTag extends NamedTag implements \ArrayAccess{
 		}
 		return $str . "}";
 	}
+
+	public function __clone(){
+		foreach($this as $key => $tag){
+			if($tag instanceof Tag){
+				$this->{$key} = clone $tag;
+			}
+		}
+	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/nbt/tag/ListTag.php b/src/pocketmine/nbt/tag/ListTag.php
index 3fed630be..361db14d6 100644
--- a/src/pocketmine/nbt/tag/ListTag.php
+++ b/src/pocketmine/nbt/tag/ListTag.php
@@ -220,4 +220,12 @@ class ListTag extends NamedTag implements \ArrayAccess, \Countable{
 		}
 		return $str . "}";
 	}
+
+	public function __clone(){
+		foreach($this as $key => $tag){
+			if($tag instanceof Tag){
+				$this->{$key} = clone $tag;
+			}
+		}
+	}
 }