From 9c6cf6fdb622db07332d0c23f1ba47b123005670 Mon Sep 17 00:00:00 2001
From: Libor M <liborm85@gmail.com>
Date: Sat, 17 Oct 2020 15:56:40 +0200
Subject: [PATCH] PHP 8.0 fix - ValueError: file_exists(): Argument #1
 ($filename) must not contain any null bytes

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

diff --git a/src/PhpWord/Element/Image.php b/src/PhpWord/Element/Image.php
index bae87ff5..c6dd0e58 100644
--- a/src/PhpWord/Element/Image.php
+++ b/src/PhpWord/Element/Image.php
@@ -454,7 +454,7 @@ class Image extends AbstractElement
             } else {
                 $this->sourceType = self::SOURCE_GD;
             }
-        } elseif (@file_exists($this->source)) {
+        } elseif (is_string($this->source) && @file_exists($this->source)) {
             $this->memoryImage = false;
             $this->sourceType = self::SOURCE_LOCAL;
         } else {