From 404df1e0a8d70ff214e7c777af3394fad6d9aadc Mon Sep 17 00:00:00 2001
From: Chris Boden <cboden@gmail.com>
Date: Sun, 31 Mar 2013 14:16:40 -0400
Subject: [PATCH] [WebSocket] Prevent division by 0 in Hixie handshake

---
 Version/Hixie76.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Version/Hixie76.php b/Version/Hixie76.php
index 536977b..069263a 100644
--- a/Version/Hixie76.php
+++ b/Version/Hixie76.php
@@ -103,6 +103,10 @@ class Hixie76 implements VersionInterface {
     }
 
     public function generateKeyNumber($key) {
+        if (0 === substr_count($key, ' ')) {
+            return 0;
+        }
+
         return preg_replace('[\D]', '', $key) / substr_count($key, ' ');
     }