Refactor to use a short function

web/modules/custom/opdavies_talks/src/Service/TalkCounter.php

@@ -8,6 +8,7 @@ use Carbon\Carbon;
 use Drupal\Core\Entity\EntityStorageInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\node\NodeInterface;
+use Drupal\opdavies_talks\Entity\Node\Talk;
 use Drupal\paragraphs\ParagraphInterface;
 use Illuminate\Support\Collection;
 
@@ -23,7 +24,7 @@ final class TalkCounter {
     $today = Carbon::today()->format('Y-m-d H:i:s');
 
     return $this->getTalks()
-      ->flatMap->getEvents()
+      ->flatMap(fn(Talk $talk) => $talk->getEvents())
       ->filter(fn(ParagraphInterface $event) => $event->get('field_date')->getString() <= $today)
       ->count();
   }