Changeset 34442

Timestamp:

09/22/2015 06:46:43 PM (9 years ago)

Author:

wonderboymusic

Message:

PINGBACKS: rather than sending the X-Pingback HTTP header on every single request for fun, perhaps only send it on single posts with pings open.

See #20226.

File:

• trunk/src/wp-includes/class-wp.php (modified) (2 diffs)

trunk/src/wp-includes/class-wp.php

@@ -366 +366 @@
      */
     public function send_headers() {
-        $headers = array('X-Pingback' => get_bloginfo('pingback_url'));
+        $headers = array();
         $status = null;
         $exit_required = false;
@@ -596 +596 @@
         // Never 404 for the admin, robots, or if we found posts.
         if ( is_admin() || is_robots() || $wp_query->posts ) {
+
+            // Only set X-Pingback for single posts.
+            if ( is_single() ) {
+                $p = get_queried_object();
+                if ( $p && pings_open( $p ) ) {
+                    @header( 'X-Pingback: ' . get_bloginfo( 'pingback_url' ) );
+                }
+            }
+
             status_header( 200 );
             return;