From 4efdc37f4a2ed2bd58c0011d26e780a94c8f04c8 Mon Sep 17 00:00:00 2001
From: HorstOeko <horstoeko@erling.com.de>
Date: Tue, 28 Jan 2025 09:27:42 +0100
Subject: [PATCH] [ENH] #244 Make isFile() and xmlDataIsFile() methods
 overridable

---
 src/ZugferdDocumentPdfBuilderAbstract.php | 6 +++++-
 src/ZugferdDocumentPdfMerger.php          | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/ZugferdDocumentPdfBuilderAbstract.php b/src/ZugferdDocumentPdfBuilderAbstract.php
index 8b08043..c96be6a 100644
--- a/src/ZugferdDocumentPdfBuilderAbstract.php
+++ b/src/ZugferdDocumentPdfBuilderAbstract.php
@@ -667,7 +667,11 @@ protected function extractInvoiceInformations(): array
      */
     protected function isFile($pdfData): bool
     {
-        return is_file($pdfData);
+        try {
+            return is_file($pdfData);
+        } catch (Throwable $throwable) {
+            return false;
+        }
     }
 
     /**
diff --git a/src/ZugferdDocumentPdfMerger.php b/src/ZugferdDocumentPdfMerger.php
index 9d33057..3ee1c63 100644
--- a/src/ZugferdDocumentPdfMerger.php
+++ b/src/ZugferdDocumentPdfMerger.php
@@ -106,7 +106,11 @@ protected function getXmlAttachmentXmpName(): string
      */
     protected function xmlDataIsFile(): bool
     {
-        return is_file($this->xmlDataOrFilename);
+        try {
+            return is_file($this->xmlDataOrFilename);
+        } catch (\TypeError $typeError) {
+            return false;
+        }
     }
 
     /**