From 30cfe3bdfa03082862d859dbdcb4449d72a604b0 Mon Sep 17 00:00:00 2001
From: Tracerneo <660285+Tracerneo@users.noreply.github.com>
Date: Tue, 11 Jun 2019 16:39:26 +0200
Subject: [PATCH] Change minimal port number to 0 (unix socket) (#2452)

---
 system/src/Grav/Framework/Uri/UriPartsFilter.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/system/src/Grav/Framework/Uri/UriPartsFilter.php b/system/src/Grav/Framework/Uri/UriPartsFilter.php
index 88fe3e64ee..51a971ab4b 100644
--- a/system/src/Grav/Framework/Uri/UriPartsFilter.php
+++ b/system/src/Grav/Framework/Uri/UriPartsFilter.php
@@ -84,11 +84,11 @@ public static function filterHost($host)
      */
     public static function filterPort($port = null)
     {
-        if (null === $port || (\is_int($port) && ($port >= 1 && $port <= 65535))) {
+        if (null === $port || (\is_int($port) && ($port >= 0 && $port <= 65535))) {
             return $port;
         }
 
-        throw new \InvalidArgumentException('Uri port must be null or an integer between 1 and 65535');
+        throw new \InvalidArgumentException('Uri port must be null or an integer between 0 and 65535');
     }
 
     /**