From 87334e43c02b4c480ef9a131302a7a56fe599163 Mon Sep 17 00:00:00 2001
From: Alexey Soltan <TsSaltan@users.noreply.github.com>
Date: Tue, 23 Sep 2025 11:25:28 +0300
Subject: [PATCH] Fix undefined keys error

Error Undefined array keys"FirstChar" and "LastChar"
---
 src/Smalot/PdfParser/Font.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Smalot/PdfParser/Font.php b/src/Smalot/PdfParser/Font.php
index 8e1fbce1..ee2f8305 100644
--- a/src/Smalot/PdfParser/Font.php
+++ b/src/Smalot/PdfParser/Font.php
@@ -301,7 +301,7 @@ public function calculateTextWidth(string $text, ?array &$missing = null): ?floa
          * Note: Without the change you would see warnings in PHP 8.4 because the values of FirstChar or LastChar
          *       can be null sometimes.
          */
-        $width_map = array_flip(range((int) $details['FirstChar'], (int) $details['LastChar']));
+        $width_map = array_flip(range((int) ($details['FirstChar'] ?? 0), (int) ($details['LastChar'] ?? 0)));
 
         $width = null;
         $missing = [];