lib/helper.php: site_is_reachable(): whoops, fix typo

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/helper.php b/lib/helper.php
index e2235fb..bb454f0 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -179,7 +179,7 @@ function site_is_reachable($url) {
     foreach ($headers as $header) {
       if (!(strpos($header, 'HTTP/') === 0))
         continue;
-      if ($header[1] == '200')
+      if (explode(' ', $header)[1] == '200')
         return true;
       return false;
     }