From e422a2610c22b48438f717df9fc1877497a0143e Mon Sep 17 00:00:00 2001
From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Fri, 21 Jul 2023 16:18:50 +0200
Subject: [PATCH] wait #5399 @0.25

---
 app/Fluidbook/Compiler/Compiler.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/Fluidbook/Compiler/Compiler.php b/app/Fluidbook/Compiler/Compiler.php
index d466ad9bc..7277086ac 100644
--- a/app/Fluidbook/Compiler/Compiler.php
+++ b/app/Fluidbook/Compiler/Compiler.php
@@ -1443,6 +1443,9 @@ class Compiler extends Base implements CompilerInterface
         $svg = SVGTools::optimizeSVG($svg);
 
         $xml = simplexml_load_string(file_get_contents($svg));
+        if (!$xml) {
+            return;
+        }
         $viewBox = (string)$xml['viewBox'];
 
         $this->_svgSymbols[$symbolName] = '<symbol id="' . $symbolName . '" viewBox="' . $viewBox . '">' . $this->SimpleXMLElement_innerXML($xml) . '</symbol>';
-- 
2.39.5