Use maennchen/zipstream-php for zip download. #1

app/Http/Controllers/ResultController.php

@@ -12,7 +12,10 @@ use Illuminate\Http\Request;
 use Str;
 use Log;
 
-use Zip;
+
+use ZipStream\Option\Archive as ZipOptions;
+use ZipStream\ZipStream;
+
 
 class ResultController extends Controller
 {
@@ -157,14 +160,17 @@ class ResultController extends Controller
     }
 
     public function downloadZip() {
-        $zip = Zip::create("results.zip");
+        $options = new ZipOptions();
+        $options->setSendHttpHeaders(true);
+
+        $zip = new ZipStream('results.zip', $options);
 
         Result::cursor()->each(function($result) use ($zip) {
             $filename = $result->created_at . ".json";
-            $zip->addRaw($result->getOriginal("data"), $filename);
+            $zip->addFile($filename, $result->getOriginal("data"));
         });
 
-        return $zip;
+        $zip->finish();
     }
 
     /**