SectionProfiler: Do not attempt to use null values as arrays

[lhc/web/wiklou.git] / includes / profiler / SectionProfiler.php

diff --git a/includes/profiler/SectionProfiler.php b/includes/profiler/SectionProfiler.php
index c27ab4f..92e276d 100644 (file)
--- a/includes/profiler/SectionProfiler.php
+++ b/includes/profiler/SectionProfiler.php
@@ -96,9 +96,15 @@ class SectionProfiler {
        public function getFunctionStats() {
                $this->collateData();
 
-               $totalCpu = max( $this->end['cpu'] - $this->start['cpu'], 0 );
-               $totalReal = max( $this->end['real'] - $this->start['real'], 0 );
-               $totalMem = max( $this->end['memory'] - $this->start['memory'], 0 );
+               if ( is_array( $this->start ) ) {
+                       $totalCpu = max( $this->end['cpu'] - $this->start['cpu'], 0 );
+                       $totalReal = max( $this->end['real'] - $this->start['real'], 0 );
+                       $totalMem = max( $this->end['memory'] - $this->start['memory'], 0 );
+               } else {
+                       $totalCpu = 0;
+                       $totalReal = 0;
+                       $totalMem = 0;
+               }
 
                $profile = [];
                foreach ( $this->collated as $fname => $data ) {