From 193efe7e962370fde9d22ca3eb27cc4e2a8a845f Mon Sep 17 00:00:00 2001
From: Aaron Piotrowski <aaron@trowski.com>
Date: Mon, 11 Nov 2019 13:23:14 -0600
Subject: [PATCH] Return null, not -1

---
 lib/Loop/Internal/TimerQueue.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Loop/Internal/TimerQueue.php b/lib/Loop/Internal/TimerQueue.php
index ea328bb..d9e9697 100644
--- a/lib/Loop/Internal/TimerQueue.php
+++ b/lib/Loop/Internal/TimerQueue.php
@@ -99,7 +99,7 @@ final class TimerQueue
      */
     public function peek()
     {
-        return isset($this->data[0]) ? $this->data[0]->expiration : -1;
+        return isset($this->data[0]) ? $this->data[0]->expiration : null;
     }
 
     /**