Fix variable names

Author: m-tanabe

caliper/app/Commands/Generate.php

@@ -37,8 +37,8 @@ public function handle()
     private function translateEvent()
     {
         $eventCount = env('EVENT_COUNT', 10000);
-        $excludedOriginsStr = env('EXCLUDED_ORIGINS', '');
-        $excludedOrigins = $excludedOriginsStr === '' ? [] : explode(',', $excludedOriginsStr);
+        $excludedOrigins = env('EXCLUDED_ORIGINS', '');
+        $excludedOriginsArray = $excludedOrigins === '' ? [] : explode(',', $excludedOrigins);
 
         $executionLog = new ExecutionLog();
         $failedLog = new FailedLog();
@@ -70,8 +70,8 @@ private function translateEvent()
                         ->reject(function ($event) {
                             return $event->userid === 0;
                         })
-                        ->filter(function ($event) use ($excludedOrigins) {
-                            return !in_array($event->origin, $excludedOrigins);
+                        ->filter(function ($event) use ($excludedOriginsArray) {
+                            return !in_array($event->origin, $excludedOriginsArray);
                         })
                         ->filter(function ($event) {
                             return is_supported($event->eventname);