From 56b31224bdfb6dc6271c3e7eb060c8da7e723e3c Mon Sep 17 00:00:00 2001
From: Alex Henderson-Roche <alex.roche@lumeon.com>
Date: Tue, 8 Nov 2022 18:11:59 +0200
Subject: [PATCH] Updates CoreExtension::twig_constant to check for definition
 first to avoid hard crash

---
 src/Extension/CoreExtension.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Extension/CoreExtension.php b/src/Extension/CoreExtension.php
index 6ac3610813..5c4087ec21 100644
--- a/src/Extension/CoreExtension.php
+++ b/src/Extension/CoreExtension.php
@@ -1329,6 +1329,10 @@ function twig_constant($constant, $object = null)
         $constant = \get_class($object).'::'.$constant;
     }
 
+    if (!\defined($constant)) {
+        throw new RuntimeError(sprintf('Constant "%s" is undefined.', $constant));
+    }
+
     return \constant($constant);
 }