From 9776fa1d548716490a7d49ffbb608e5c2dda589b Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 12 Nov 2019 21:52:37 +0100
Subject: [PATCH] Fix type error, fixes #1382

---
 src/Monolog/Handler/Slack/SlackRecord.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Monolog/Handler/Slack/SlackRecord.php b/src/Monolog/Handler/Slack/SlackRecord.php
index dbfcd982..60d2c9e1 100644
--- a/src/Monolog/Handler/Slack/SlackRecord.php
+++ b/src/Monolog/Handler/Slack/SlackRecord.php
@@ -159,7 +159,7 @@ class SlackRecord
 
                     if ($this->useShortAttachment) {
                         $attachment['fields'][] = $this->generateAttachmentField(
-                            $key,
+                            (string) $key,
                             $record[$key]
                         );
                     } else {
@@ -324,7 +324,7 @@ class SlackRecord
     {
         $fields = array();
         foreach ($this->normalizerFormatter->format($data) as $key => $value) {
-            $fields[] = $this->generateAttachmentField($key, $value);
+            $fields[] = $this->generateAttachmentField((string) $key, $value);
         }
 
         return $fields;