From f4e5339f672d4920f3aec939d6315eb8c941f33b Mon Sep 17 00:00:00 2001
From: DL6ER <dl6er@dl6er.de>
Date: Mon, 2 Jan 2017 12:01:23 +0100
Subject: [PATCH] Resolve "Undefined index: DHCP_LEASETIME" warning

---
 settings.php | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/settings.php b/settings.php
index fe6c7362..86fcae4a 100644
--- a/settings.php
+++ b/settings.php
@@ -107,10 +107,18 @@
 		$DHCPstart = $setupVars["DHCP_START"];
 		$DHCPend = $setupVars["DHCP_END"];
 		$DHCProuter = $setupVars["DHCP_ROUTER"];
-		$DHCPleasetime = $setupVars["DHCP_LEASETIME"];
-		if(strlen($DHCPleasetime) < 1)
+		// This setting has been added later, we have to check if it exists
+		if(isset($setupVars["DHCP_LEASETIME"]))
+		{
+			$DHCPleasetime = $setupVars["DHCP_LEASETIME"];
+			if(strlen($DHCPleasetime) < 1)
+			{
+				// Fallback if empty string
+				$DHCPleasetime = 24;
+			}
+		}
+		else
 		{
-			// Fallback if it was not set before
 			$DHCPleasetime = 24;
 		}
 	}