From 9c1afbca92af650a216ea39de1fe75278eeae418 Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Fri, 25 Jul 2014 22:05:44 +0200
Subject: support php versions without json support and show a warning message

---
 graph.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'graph.php')

diff --git a/graph.php b/graph.php
index 2c3f6e6..6206d73 100644
--- a/graph.php
+++ b/graph.php
@@ -35,7 +35,7 @@ if ($plugin == 'aggregation') {
 }
 
 # plugin json
-if (file_exists('plugin/'.$plugin.'.json')) {
+if (function_exists('json_decode') && file_exists('plugin/'.$plugin.'.json')) {
 	$json = file_get_contents('plugin/'.$plugin.'.json');
 	$plugin_json = json_decode($json, true);
 
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