Ticket #29177: 29177.diff

wp-includes/class-wp-xmlrpc-server.php

@@ -5759 +5759 @@
                 $urltest = parse_url($pagelinkedto);
                 if ( $post_ID = url_to_postid($pagelinkedto) ) {
                         $way = 'url_to_postid()';
-                } elseif ( preg_match('#p/[0-9]{1,}#', $urltest['path'], $match) ) {
+                } elseif ( isset( $urltest['path'] ) && preg_match('#p/[0-9]{1,}#', $urltest['path'], $match) ) {
                         // the path defines the post_ID (archives/p/XXXX)
                         $blah = explode('/', $match[0]);
                         $post_ID = (int) $blah[1];