X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=plugins%2FLinkbackPlugin.php;h=93a0294c4ca9cbd23cd720c4909089b667494136;hb=6328add622641e5f5721cc34d27d4d872c86a561;hp=56a26176b1ee0104df0896d4794b157a12b4e77c;hpb=99f4367d03a4bd0676ac2b7ea9b5cfb8cf0f6f83;p=quix0rs-gnu-social.git

diff --git a/plugins/LinkbackPlugin.php b/plugins/LinkbackPlugin.php
index 56a26176b1..93a0294c4c 100644
--- a/plugins/LinkbackPlugin.php
+++ b/plugins/LinkbackPlugin.php
@@ -99,7 +99,7 @@ class LinkbackPlugin extends Plugin
 
         if (array_key_exists('X-Pingback', $result->headers)) {
             $pb = $result->headers['X-Pingback'];
-        } else if (preg_match('/<link rel="pingback" href="([^"]+)" ?/?>/',
+        } else if (preg_match('/<link rel="pingback" href="([^"]+)" ?\/?>/',
                               $result->body,
                               $match)) {
             $pb = $match[1];
@@ -121,6 +121,12 @@ class LinkbackPlugin extends Plugin
     {
         $args = array($this->notice->uri, $url);
 
+        if (!extension_loaded('xmlrpc')) {
+            if (!dl('xmlrpc.so')) {
+                common_log(LOG_ERR, "Can't pingback; xmlrpc extension not available.");
+            }
+        }
+
         $request = xmlrpc_encode_request('pingback.ping', $args);
         $context = stream_context_create(array('http' => array('method' => "POST",
                                                                'header' =>
@@ -141,7 +147,7 @@ class LinkbackPlugin extends Plugin
     }
 
     // Largely cadged from trackback_cls.php by
-    // Ran Aroussi <ran@blogish.org>, GPL2
+    // Ran Aroussi <ran@blogish.org>, GPL2 or any later version
     // http://phptrackback.sourceforge.net/
 
     function getTrackback($text, $url)