ppps: avoid more potential config issues

src/www/interfaces_ppps.php

@@ -57,8 +57,14 @@ if ($_GET['act'] == "del") {
 	}
 }
 
-if (!is_array($config['ppps']['ppp']))
+if (!is_array($config['ppps'])) {
+	$config['ppps'] = array();
+}
+
+if (!is_array($config['ppps']['ppp'])) {
 	$config['ppps']['ppp'] = array();
+}
+
 $a_ppps = $config['ppps']['ppp'];
 
 $pgtitle = gettext("Interfaces: PPPs");

src/www/interfaces_ppps_edit.php

 <?php
+
 /*
 	Copyright (C) 2014-2015 Deciso B.V.
 	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
@@ -37,8 +38,13 @@ define("CRON_WEEKLY_PATTERN", "0 0 * * 0");
 define("CRON_DAILY_PATTERN", "0 0 * * *");
 define("CRON_HOURLY_PATTERN", "0 * * * *");
 
-if (!is_array($config['ppps']['ppp']))
+if (!is_array($config['ppps'])) {
+	$config['ppps'] = array();
+}
+
+if (!is_array($config['ppps']['ppp'])) {
 	$config['ppps']['ppp'] = array();
+}
 
 $a_ppps = &$config['ppps']['ppp'];
 

src/www/wizards/setup_wizard.xml

@@ -433,16 +433,19 @@
 		}
 		$type = $_POST['selectedtype'];
 
-		if (!is_array($config['ppps']['ppp']))
+		if (!is_array($config['ppps'])) {
+			$config['ppps'] = array();
+		}
+		if (!is_array($config['ppps']['ppp'])) {
 			$config['ppps']['ppp'] = array();
-		if (count($config['ppps']['ppp'])) {
+		}
 		foreach ($config['ppps']['ppp'] as $pppid => $ppp) {
 			if ($ppp['ptpid'] == "0") {
 				if ((substr($config['interfaces']['wan']['if'],0,5) == "pppoe") || (substr($config['interfaces']['wan']['if'],0,4) == "pptp")) {
 					$oldif = explode(",", $ppp['ports']);
 					$config['interfaces']['wan']['if'] = $oldif[0];
 				}
-					if ($type == "pppoe" || $type == "pptp")
+				if ($type == "pppoe" || $type == "pptp") {
 					unset($config['ppps']['ppp'][$pppid]);
 				}
 			}