From 1e1155d73db5f0e96a669baefb76a895a15f3772 Mon Sep 17 00:00:00 2001
From: Aaron Piotrowski <aaron@trowski.com>
Date: Mon, 30 Sep 2019 17:38:49 -0500
Subject: [PATCH] Remove circular reference in destructor

---
 src/PqUnbufferedResultSet.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/PqUnbufferedResultSet.php b/src/PqUnbufferedResultSet.php
index 0742ef0..3186973 100644
--- a/src/PqUnbufferedResultSet.php
+++ b/src/PqUnbufferedResultSet.php
@@ -52,9 +52,10 @@ final class PqUnbufferedResultSet implements ResultSet
             return;
         }
 
-        asyncCall(function () {
+        $producer = $this->producer;
+        asyncCall(static function () use ($producer) {
             try {
-                while (yield $this->producer->advance());
+                while (yield $producer->advance());
             } catch (\Throwable $exception) {
                 // Ignore iterator failure when destroying.
             }