From d13f2dc7fc1e7a1a5239fc9b7cb29016823ed9f0 Mon Sep 17 00:00:00 2001
From: RD WebDesign <github@rdwebdesign.com.br>
Date: Sun, 26 Mar 2023 20:27:26 -0300
Subject: [PATCH] Fix a few PHP 8 warnings

Signed-off-by: RD WebDesign <github@rdwebdesign.com.br>
---
 scripts/pi-hole/php/func.php |  2 +-
 settings.php                 | 16 +++++++++-------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/scripts/pi-hole/php/func.php b/scripts/pi-hole/php/func.php
index 1c6652aa4..d10ad9bfe 100644
--- a/scripts/pi-hole/php/func.php
+++ b/scripts/pi-hole/php/func.php
@@ -635,7 +635,7 @@ function getGateway()
     if (array_key_exists('FTLnotrunning', $gateway)) {
         $ret = array('ip' => -1);
     } else {
-        $ret = array_combine(array('ip', 'iface'), explode(' ', $gateway[0]));
+        $ret = array_combine(array('ip', 'iface'), array_pad(explode(' ', $gateway[0]), 2, ''));
     }
 
     return $ret;
diff --git a/settings.php b/settings.php
index 2f21449ae..22a7e7ea9 100644
--- a/settings.php
+++ b/settings.php
@@ -428,16 +428,18 @@
                         }
                     } else {
                         $DHCP = false;
+                        $DHCPstart = '';
+                        $DHCPend = '';
+                        $DHCProuter = '';
+
                         // Try to guess initial settings
                         if ($IPv4GW !== 'unknown') {
                             $DHCPparts = explode('.', $IPv4GW);
-                            $DHCPstart = $DHCPparts[0].'.'.$DHCPparts[1].'.'.$DHCPparts[2].'.201';
-                            $DHCPend = $DHCPparts[0].'.'.$DHCPparts[1].'.'.$DHCPparts[2].'.251';
-                            $DHCProuter = $IPv4GW;
-                        } else {
-                            $DHCPstart = '';
-                            $DHCPend = '';
-                            $DHCProuter = '';
+                            if (isset($DHCPparts[0]) && isset($DHCPparts[1]) && isset($DHCPparts[2])) {
+                                $DHCPstart = $DHCPparts[0].'.'.$DHCPparts[1].'.'.$DHCPparts[2].'.201';
+                                $DHCPend = $DHCPparts[0].'.'.$DHCPparts[1].'.'.$DHCPparts[2].'.251';
+                                $DHCProuter = $IPv4GW;
+                            }
                         }
                         $DHCPleasetime = 24;
                         $DHCPIPv6 = false;