From 76c0f7ecdde31fdeaabaf6e7f86e856c0fbcd6e1 Mon Sep 17 00:00:00 2001
From: Nick Liu <deltik@gmx.com>
Date: Sat, 18 Jan 2020 13:29:19 +0100
Subject: [PATCH] Type validation for navigation_shortcode()

---
 e107_core/shortcodes/single/navigation.php | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/e107_core/shortcodes/single/navigation.php b/e107_core/shortcodes/single/navigation.php
index e677831daf..75ba552103 100644
--- a/e107_core/shortcodes/single/navigation.php
+++ b/e107_core/shortcodes/single/navigation.php
@@ -18,28 +18,29 @@ function navigation_shortcode($parm=null)
 		'alt6'		=> 6,
 	);
 
-
-	if(is_array($parm) && !empty($parm))
+	$category = 1;
+	$tmpl = 'main';
+	if (!is_array($parm))
+	{
+		$category = isset($types[$parm]) ? $types[$parm] : 1;
+		$tmpl = $parm ?: 'main';
+	}
+	elseif (!empty($parm))
 	{
 		$category = 1;
 		$tmpl = 'main';
 
-		if(!empty($parm['type']))
+		if (!empty($parm['type']))
 		{
 			$cat = $parm['type'];
 			$category = varset($types[$cat], 1);
 		}
 
-		if(!empty($parm['layout']))
+		if (!empty($parm['layout']))
 		{
-			$tmpl= $parm['layout'];
+			$tmpl = $parm['layout'];
 		}
 	}
-	else
-	{
-		$category 		= varset($types[$parm], 1);
-		$tmpl 			= vartrue($parm, 'main');
-	}
 
 	$nav			= e107::getNav();