From 48151b3f0e4b69e118ce07a4c85f2a139e9d939b Mon Sep 17 00:00:00 2001
From: Sukhwinder Dhillon <sukhwinder33445@gmail.com>
Date: Tue, 9 Apr 2024 14:54:49 +0200
Subject: [PATCH] Template: Fix multi template graphs

---
 library/Graphite/Graphing/Template.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/library/Graphite/Graphing/Template.php b/library/Graphite/Graphing/Template.php
index 0950fed..e804078 100644
--- a/library/Graphite/Graphing/Template.php
+++ b/library/Graphite/Graphing/Template.php
@@ -207,8 +207,13 @@ class Template
 
             $allowedNextCurveMetricsPerCurrentCurveName = [];
             foreach ($currentCombination as $currentCurveName => $currentCurveMetric) {
-                $allowedNextCurveMetricsPerCurrentCurveName[$currentCurveName]
-                    = $possibleCombinations[$currentCurveName][$nextCurveName][$currentCurveMetric];
+                if (isset($possibleCombinations[$currentCurveName][$nextCurveName][$currentCurveMetric])) {
+                    $allowedNextCurveMetricsPerCurrentCurveName[$currentCurveName]
+                        = $possibleCombinations[$currentCurveName][$nextCurveName][$currentCurveMetric];
+                } else {
+                    $metricsCombinations[] = $currentCombination;
+                    return;
+                }
             }
 
             $allowedNextCurveMetrics = $allowedNextCurveMetricsPerCurrentCurveName[$currentCurveName];