From b295967715e73dd5887264292da467a0fd261894 Mon Sep 17 00:00:00 2001
From: Nico Kaiser <nico.kaiser@boerse-go.de>
Date: Mon, 28 Apr 2014 09:58:23 +0200
Subject: [PATCH] Small tweaks in Helper.php (thanks @alexkazik)

---
 composer.json         |  2 +-
 src/Dyndns/Helper.php | 11 +----------
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/composer.json b/composer.json
index 2436489..244a354 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "nicokaiser/dyndns",
     "description": "A simple dynamic DNS that updates an existing BIND",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "keywords": ["dns", "dyndns"],
     "license": "MIT",
     "authors": [
diff --git a/src/Dyndns/Helper.php b/src/Dyndns/Helper.php
index bf59b73..12adaf9 100644
--- a/src/Dyndns/Helper.php
+++ b/src/Dyndns/Helper.php
@@ -15,16 +15,7 @@ class Helper
      */
     public static function checkValidIp($ip)
     {
-        if (! preg_match("/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $ip))
-            return false;
-
-        $tmp = explode(".", $ip);
-        foreach ($tmp as $sub) {
-            $sub = $sub * 1;
-            if ($sub < 0 || $sub > 256) return true;
-        }
-
-        return true;
+        return (ip2long($ip) !== false);
     }
 
     /**
-- 
2.1.4