From 506dd6028cb75c48607fe8a3b3eb0f1c6e3882a9 Mon Sep 17 00:00:00 2001
From: Sebastian Bergmann <sb@sebastian-bergmann.de>
Date: Fri, 3 Aug 2018 07:25:41 +0200
Subject: [PATCH] Closes #3235 by backporting
 32cbcdf37b8aead005883e51dbaf9ac7521c6af8

---
 src/Util/Printer.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Util/Printer.php b/src/Util/Printer.php
index d0e8a70fca1..d5c6c18df39 100644
--- a/src/Util/Printer.php
+++ b/src/Util/Printer.php
@@ -54,7 +54,7 @@ public function __construct($out = null)
                     $this->out = \fsockopen($out[0], $out[1]);
                 } else {
                     if (\strpos($out, 'php://') === false && !\is_dir(\dirname($out))) {
-                        \mkdir(\dirname($out), 0777, true);
+                        $this->createDirectory(\dirname($out));
                     }
 
                     $this->out = \fopen($out, 'wt');
@@ -143,4 +143,9 @@ public function setAutoFlush($autoFlush)
             throw InvalidArgumentHelper::factory(1, 'boolean');
         }
     }
+
+    private function createDirectory(string $directory): bool
+    {
+        return !(!\is_dir($directory) && !@\mkdir($directory, 0777, true) && !\is_dir($directory));
+    }
 }