From fd3d55003b2d996533114f28600a66b498be80ce Mon Sep 17 00:00:00 2001
From: andreasschroth <andreasschroth@users.noreply.github.com>
Date: Wed, 3 Oct 2018 13:02:48 +0200
Subject: [PATCH 1/4] Skip further checks in case of empty domain part

Fixes issue #240
---
 src/Hostname.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Hostname.php b/src/Hostname.php
index 97d543bc4..59a472d64 100644
--- a/src/Hostname.php
+++ b/src/Hostname.php
@@ -2098,6 +2098,13 @@ public function isValid($value)
                                 return false;
                             }
                         }
+                        
+                        // Stop with following checks if domain part is empty, as it definitely is not a valid hostname then
+                        if ($domainPart === '') {
+                            $this->error(self::INVALID_HOSTNAME);
+                            $status = false;
+                            break 2;
+                        }
 
                         // Check dash (-) does not start, end or appear in 3rd and 4th positions
                         if ($utf8StrWrapper->strpos($domainPart, '-') === 0

From c8c703d82925477b931959bef4afb5a4e68e6cfa Mon Sep 17 00:00:00 2001
From: andreasschroth <andreasschroth@users.noreply.github.com>
Date: Wed, 3 Oct 2018 13:21:08 +0200
Subject: [PATCH 2/4] Add test for hostname with empty domain part

---
 test/HostnameTest.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/HostnameTest.php b/test/HostnameTest.php
index 64b28f14a..45ae230b3 100644
--- a/test/HostnameTest.php
+++ b/test/HostnameTest.php
@@ -647,4 +647,11 @@ public function testValidBizHostname()
         $validator = new Hostname();
         $this->assertTrue($validator->isValid('google.biz'));
     }
+    
+    
+    public function testHostnameWithEmptyDomainPart()
+    {
+        $validator = new Hostname();
+        $this->assertFalse($validator->isValid('.com'));
+    }
 }

From c7ccaa20321c37627e6f6b05d6b314158295da5e Mon Sep 17 00:00:00 2001
From: andreasschroth <andreasschroth@users.noreply.github.com>
Date: Wed, 3 Oct 2018 13:28:12 +0200
Subject: [PATCH 3/4] Fix codestyle.

---
 src/Hostname.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Hostname.php b/src/Hostname.php
index 59a472d64..bfaa80239 100644
--- a/src/Hostname.php
+++ b/src/Hostname.php
@@ -2098,8 +2098,8 @@ public function isValid($value)
                                 return false;
                             }
                         }
-                        
-                        // Stop with following checks if domain part is empty, as it definitely is not a valid hostname then
+
+                        // Skip following checks if domain part is empty, as it definitely is not a valid hostname then
                         if ($domainPart === '') {
                             $this->error(self::INVALID_HOSTNAME);
                             $status = false;

From 081fd6b6177c0746dd73b51a178e5adee5c16f66 Mon Sep 17 00:00:00 2001
From: andreasschroth <andreasschroth@users.noreply.github.com>
Date: Wed, 3 Oct 2018 13:33:33 +0200
Subject: [PATCH 4/4] Fix codestyle.

---
 test/HostnameTest.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/test/HostnameTest.php b/test/HostnameTest.php
index 45ae230b3..9c0960b6a 100644
--- a/test/HostnameTest.php
+++ b/test/HostnameTest.php
@@ -647,8 +647,7 @@ public function testValidBizHostname()
         $validator = new Hostname();
         $this->assertTrue($validator->isValid('google.biz'));
     }
-    
-    
+
     public function testHostnameWithEmptyDomainPart()
     {
         $validator = new Hostname();