From 688ec17cbab0b16e73b25d4a217344f83eec4d5f Mon Sep 17 00:00:00 2001
From: Andy Miller <rhuk@mac.com>
Date: Fri, 28 Aug 2015 11:38:52 -0600
Subject: [PATCH] some fixes for no siblings

---
 system/src/Grav/Common/Page/Page.php | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/system/src/Grav/Common/Page/Page.php b/system/src/Grav/Common/Page/Page.php
index ed961594e..3339e9acc 100644
--- a/system/src/Grav/Common/Page/Page.php
+++ b/system/src/Grav/Common/Page/Page.php
@@ -1657,7 +1657,10 @@ class Page
     public function isFirst()
     {
         $collection = $this->parent()->collection('content', false);
-        return $collection->isFirst($this->path());
+        if ($collection instanceof Collection) {
+            return $collection->isFirst($this->path());
+        }
+        return true;
     }
 
     /**
@@ -1668,7 +1671,10 @@ class Page
     public function isLast()
     {
         $collection = $this->parent()->collection('content', false);
-        return $collection->isLast($this->path());
+        if ($collection instanceof Collection) {
+            return $collection->isLast($this->path());
+        }
+        return true;
     }
 
     /**
@@ -1700,7 +1706,10 @@ class Page
     public function adjacentSibling($direction = 1)
     {
         $collection = $this->parent()->collection('content', false);
-        return $collection->adjacentSibling($this->path(), $direction);
+        if ($collection instanceof Collection) {
+            return $collection->adjacentSibling($this->path(), $direction);
+        }
+        return false;
     }
 
     /**