From 7e756492fd3569aa50affaccdda4243ac764b3df Mon Sep 17 00:00:00 2001
From: Millyn <millyn@qq.com>
Date: Fri, 24 Jan 2020 15:19:35 +0800
Subject: [PATCH] fix php 7.4 join(): Passing glue string after array is
 deprecated.

---
 lib/MultiPartForm.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/MultiPartForm.php b/lib/MultiPartForm.php
index d9b29d6..e4fcfc3 100644
--- a/lib/MultiPartForm.php
+++ b/lib/MultiPartForm.php
@@ -118,11 +118,11 @@ public function __toString()
 
         // Flatten the list and add closing boundary marker,
         // then return CR+LF separated data
-        $parts = array_map(function($val) {return join($val, "\r\n");}, $parts);
+        $parts = array_map(function($val) {return implode("\r\n", $val);}, $parts);
         $end_boundary = $part_boundary . "--";
         array_push($parts, $end_boundary);
 
-        return join($parts, "\r\n");
+        return implode("\r\n", $parts);
     }
 }
 ?>