From eecd35d175339822e7267adda3fd2c74fc0a5737 Mon Sep 17 00:00:00 2001
From: Shish <shish@shishnet.org>
Date: Wed, 24 Jun 2020 12:44:17 +0100
Subject: [PATCH] turn 'Use of undefined constant' into an error

---
 core/util.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/core/util.php b/core/util.php
index f1a437a1..94a5f663 100644
--- a/core/util.php
+++ b/core/util.php
@@ -582,6 +582,15 @@ date and you should plan on moving elsewhere.
     if (DEBUG) {
         error_reporting(E_ALL);
     }
+    set_error_handler(function ($errNo, $errStr) {
+        // Should we turn ALL notices into errors? PHP allows a lot of
+        // terrible things to happen by default...
+        if (strpos($errStr, 'Use of undefined constant ') === 0) {
+            throw new Exception("PHP Error#$errNo: $errStr");
+        } else {
+            return false;
+        }
+    });
 
     // The trace system has a certain amount of memory consumption every time it is used,
     // so to prevent running out of memory during complex operations code that uses it should