From a9e43a759420abd6c19a67c97ea666d4bbbe4b19 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Fri, 21 Jan 2022 15:28:20 +0100
Subject: [PATCH] [Process] Avoid calling fclose on an already closed resource

---
 src/Symfony/Component/Process/Pipes/AbstractPipes.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Process/Pipes/AbstractPipes.php b/src/Symfony/Component/Process/Pipes/AbstractPipes.php
index b0654f13ac431..ab65866c2ba06 100644
--- a/src/Symfony/Component/Process/Pipes/AbstractPipes.php
+++ b/src/Symfony/Component/Process/Pipes/AbstractPipes.php
@@ -47,7 +47,9 @@ public function __construct($input)
     public function close()
     {
         foreach ($this->pipes as $pipe) {
-            fclose($pipe);
+            if (\is_resource($pipe)) {
+                fclose($pipe);
+            }
         }
         $this->pipes = [];
     }