From c2306e9bebb4806c99988bde57f284f1b8146e0f Mon Sep 17 00:00:00 2001
From: Mark Hamstra <markieham@gmail.com>
Date: Mon, 16 Apr 2012 02:32:06 +0300
Subject: [PATCH] Add some sanity checking We're checking if $graphdata was a
 valid JSON string ($response will be false if it wasn't), we check if
 $response is an array and if the "likes" key is actually set.

---
 fblikes.snippet.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fblikes.snippet.php b/fblikes.snippet.php
index d0b8faa..900b002 100644
--- a/fblikes.snippet.php
+++ b/fblikes.snippet.php
@@ -43,6 +43,9 @@
 	$graphdata = file_get_contents("http://graph.facebook.com/".$pageid);
 	// decode json response
 	$response = $modx->fromJSON($graphdata);
+	if (!$response || !is_array($response) || !isset($response['likes'])) {
+		return 'Data currently not available.';
+	}
 	// get like number
 	$data = $response['likes'];