Merge branch 'fix-profiler-php81' of github.com:vovayatsyuk/magento2

Author: ishakhsuvarov

lib/internal/Magento/Framework/Profiler/Driver/Standard/Stat.php

@@ -218,8 +218,10 @@ protected function _getOrderedTimerIds()
             while (strpos($timerId, $prevTimerId . Profiler::NESTING_SEPARATOR) !== 0) {
                 /* Add to result all timers nested in the previous timer */
                 for ($j = $i + 1; $j < $numberTimerIds; $j++) {
-                    if (isset($timerIds[$j]) &&
-                        strpos($timerIds[$j], $prevTimerId . Profiler::NESTING_SEPARATOR) === 0) {
+                    if (!$timerIds[$j]) {
+                        continue;
+                    }
+                    if (strpos($timerIds[$j], $prevTimerId . Profiler::NESTING_SEPARATOR) === 0) {
                         $result[] = $timerIds[$j];
                         /* Mark timer as already added */
                         $timerIds[$j] = null;

lib/internal/Magento/Framework/Profiler/Test/Unit/Driver/Standard/StatTest.php

@@ -238,13 +238,24 @@ public function timersSortingDataProvider()
                     ['start', 'root'],
                     ['start', 'root->init'],
                     ['start', 'root->system'],
+                    ['start', 'root->system->init_config'],
+                    ['stop', 'root->system->init_config'],
+                    ['start', 'root->system->init_store'],
+                    ['stop', 'root->system->init_store'],
                     ['stop', 'root->system'],
                     ['start', 'root->init->init_config'],
                     ['stop', 'root->init->init_config'],
                     ['stop', 'root->init'],
                     ['stop', 'root'],
                 ],
-                'expected' => ['root', 'root->init', 'root->init->init_config', 'root->system'],
+                'expected' => [
+                    'root',
+                    'root->init',
+                    'root->init->init_config',
+                    'root->system',
+                    'root->system->init_config',
+                    'root->system->init_store',
+                ],
             ]
         ];
     }