From a41341e579712a0e6715eea8a96b864376350bfd Mon Sep 17 00:00:00 2001
From: Antonio Ospite <ao2@ao2.it>
Date: Tue, 5 May 2015 09:21:48 +0200
Subject: [PATCH] tweeper.php: make date handling functions a little more
 robust

Provide at least _some_ error checking and a fall-back value for invalid
dates.
---
 tweeper.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tweeper.php b/tweeper.php
index 37b73f5..81f5f85 100644
--- a/tweeper.php
+++ b/tweeper.php
@@ -32,12 +32,20 @@ class Tweeper {
 
   public static function epoch_to_gmdate($timestamp)
   {
+    if (!is_numeric($timestamp) || is_nan($timestamp)) {
+      $timestamp = 0;
+    }
+
     return gmdate('D, d M Y H:i:s', $timestamp) . ' GMT';
   }
 
   public static function str_to_gmdate($date)
   {
     $timestamp = strtotime($date);
+    if (FALSE === $timestamp) {
+      $timestamp = 0;
+    }
+
     return Tweeper::epoch_to_gmdate($timestamp);
   }
 
-- 
2.1.4