From f3dbc30505f187a3c524a9475988851a8ae3e801 Mon Sep 17 00:00:00 2001
From: Ruslan Kostikov <ruslankostikov@gmail.com>
Date: Wed, 8 May 2019 13:54:04 +0300
Subject: [PATCH] Fixed issue when $index is string

---
 src/Stacktrace.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Stacktrace.php b/src/Stacktrace.php
index cf0e68e46..3b0652246 100644
--- a/src/Stacktrace.php
+++ b/src/Stacktrace.php
@@ -311,7 +311,7 @@ protected function getFrameArgumentsValues(array $frame): array
             $result = array_map([$this, 'serializeArgument'], $frame['args']);
         } else {
             foreach (array_values($frame['args']) as $index => $argument) {
-                $result['param' . ($index + 1)] = $this->serializeArgument($argument);
+                $result['param' . ((int)$index + 1)] = $this->serializeArgument($argument);
             }
         }