From 94d99c3b10ec788ed146034df729559c08cbf542 Mon Sep 17 00:00:00 2001
From: Ziaratban <abolfazl.ziaratban@gmail.com>
Date: Tue, 11 Feb 2020 11:04:02 +0330
Subject: [PATCH] fix each() start key

foreach($cursor as $i => $v)
   exit($i); #return 1   -> bug ...
---
 src/BatchQueryResult.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/BatchQueryResult.php b/src/BatchQueryResult.php
index 23f268959..3600a9c1d 100644
--- a/src/BatchQueryResult.php
+++ b/src/BatchQueryResult.php
@@ -107,7 +107,7 @@ public function next()
             if ($this->query->indexBy !== null) {
                 $this->_key = key($this->_batch);
             } elseif (key($this->_batch) !== null) {
-                $this->_key++;
+                $this->_key = $this->_key === null ? 0 : $this->_key + 1;
             } else {
                 $this->_key = null;
             }