From ee7fa9765474237e40917d32ab3bcd1d3c0bcbfb Mon Sep 17 00:00:00 2001
From: Aaron Parecki <aaron@parecki.com>
Date: Sat, 15 Apr 2017 10:19:27 -0700
Subject: [PATCH] skip parsing xkcd home page

---
 controllers/Parse.php | 2 +-
 lib/Formats/XKCD.php  | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/controllers/Parse.php b/controllers/Parse.php
index 81a54a2..50047fa 100644
--- a/controllers/Parse.php
+++ b/controllers/Parse.php
@@ -179,7 +179,7 @@ class Parse {
       return $this->respond($response, 200, $data);
     }
 
-    if($host == 'xkcd.com') {
+    if($host == 'xkcd.com' && parse_url($url, PHP_URL_PATH) != '/') {
       $data = Formats\XKCD::parse($result['body'], $url);
       $data['url'] = $result['url'];
       $data['code'] = $result['code'];
diff --git a/lib/Formats/XKCD.php b/lib/Formats/XKCD.php
index adfefb3..07de5c5 100644
--- a/lib/Formats/XKCD.php
+++ b/lib/Formats/XKCD.php
@@ -25,6 +25,10 @@ class XKCD {
     ];
 
     $name = $doc->getElementById('ctitle');
+
+    if(!$name)
+      return self::_unknown();
+    
     $entry['name'] = $name->nodeValue;
 
     $photo = $xpath->query("//div[@id='comic']/img");