From 5457dc1212a78be536684cd2fb97de82f9520ce2 Mon Sep 17 00:00:00 2001
From: gitstashgithub <gitstash@outlook.com>
Date: Fri, 8 Jul 2022 12:08:57 +1000
Subject: [PATCH] Fix slash in attachment file name issue

Some systems allow slash(/) in attachment file name, and it causes issue in IncomingMailAttachment::saveToDisk() function. The \file_put_contents() function cannot handle it and throws error
Failed to open stream: No such file or directory
---
 src/PhpImap/Mailbox.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/PhpImap/Mailbox.php b/src/PhpImap/Mailbox.php
index 8e1803b9..aafaa4fc 100644
--- a/src/PhpImap/Mailbox.php
+++ b/src/PhpImap/Mailbox.php
@@ -1348,6 +1348,7 @@ public function downloadAttachment(DataPartInfo $dataInfo, array $params, object
             $fileName = $this->decodeMimeStr($fileName);
             $fileName = $this->decodeRFC2231($fileName);
         }
+        $fileName = str_replace('/', ' ', $fileName);
 
         /** @var scalar|array|object|null */
         $sizeInBytes = $partStructure->bytes ?? null;