From 21bd2da5b7a599906227f4eef5b38207b4abd129 Mon Sep 17 00:00:00 2001
From: mark kaplun <mark@marksw.com>
Date: Fri, 12 Oct 2018 19:48:11 +0300
Subject: [PATCH] Misc deprecations of pingback and trackback #36

---
 src/wp-admin/includes/post.php       |  3 +--
 src/wp-includes/class-wp-query.php   |  1 +
 src/wp-includes/comment.php          | 37 +---------------------------
 src/wp-includes/default-filters.php  |  2 --
 src/wp-includes/general-template.php |  4 ---
 5 files changed, 3 insertions(+), 44 deletions(-)

diff --git a/src/wp-admin/includes/post.php b/src/wp-admin/includes/post.php
index b54cbd9d77f6..e84f2ce293ea 100644
--- a/src/wp-admin/includes/post.php
+++ b/src/wp-admin/includes/post.php
@@ -48,8 +48,7 @@ function _wp_translate_postdata( $update = false, $post_data = null ) {
 	if ( isset( $post_data['parent_id'] ) )
 		$post_data['post_parent'] = (int) $post_data['parent_id'];
 
-	if ( isset($post_data['trackback_url']) )
-		$post_data['to_ping'] = '';
+	$post_data['to_ping'] = '';
 
 	$post_data['user_ID'] = get_current_user_id();
 
diff --git a/src/wp-includes/class-wp-query.php b/src/wp-includes/class-wp-query.php
index aa207a5f2d58..584c80c3725c 100644
--- a/src/wp-includes/class-wp-query.php
+++ b/src/wp-includes/class-wp-query.php
@@ -311,6 +311,7 @@ class WP_Query {
 
 	/**
 	 * Signifies whether the current query is for trackback endpoint call.
+	 * Left in calmPress for backward compatibility should never be true.
 	 *
 	 * @since 1.5.0
 	 * @var bool
diff --git a/src/wp-includes/comment.php b/src/wp-includes/comment.php
index 41d78e2823c2..d007730aa8c0 100644
--- a/src/wp-includes/comment.php
+++ b/src/wp-includes/comment.php
@@ -2407,12 +2407,8 @@ function wp_update_comment_count_now($post_id) {
 	return true;
 }
 
-//
-// Ping and trackback functions.
-//
-
 /**
- * Perform all pingbacks, enclosures, trackbacks, and send to pingback services.
+ * Perform all enclosures.
  *
  * @since 2.1.0
  *
@@ -2428,37 +2424,6 @@ function do_all_pings() {
 	}
 }
 
-/**
- * Default filter attached to pingback_ping_source_uri to validate the pingback's Source URI
- *
- * @since 3.5.1
- * @see wp_http_validate_url()
- *
- * @param string $source_uri
- * @return string
- */
-function pingback_ping_source_uri( $source_uri ) {
-	return (string) wp_http_validate_url( $source_uri );
-}
-
-/**
- * Default filter attached to xmlrpc_pingback_error.
- *
- * Returns a generic pingback error code unless the error code is 48,
- * which reports that the pingback is already registered.
- *
- * @since 3.5.1
- * @link https://www.hixie.ch/specs/pingback/pingback#TOC3
- *
- * @param IXR_Error $ixr_error
- * @return IXR_Error
- */
-function xmlrpc_pingback_error( $ixr_error ) {
-	if ( $ixr_error->code === 48 )
-		return $ixr_error;
-	return new IXR_Error( 0, '' );
-}
-
 //
 // Cache
 //
diff --git a/src/wp-includes/default-filters.php b/src/wp-includes/default-filters.php
index 7c07a6953f35..77626b857637 100644
--- a/src/wp-includes/default-filters.php
+++ b/src/wp-includes/default-filters.php
@@ -213,8 +213,6 @@
 add_filter( 'editable_slug',            'urldecode'                           );
 add_filter( 'editable_slug',            'esc_textarea'                        );
 add_filter( 'nav_menu_meta_box_object', '_wp_nav_menu_meta_box_object'        );
-add_filter( 'pingback_ping_source_uri', 'pingback_ping_source_uri'            );
-add_filter( 'xmlrpc_pingback_error',    'xmlrpc_pingback_error'               );
 add_filter( 'title_save_pre',           'trim'                                );
 
 add_action( 'transition_comment_status', '_clear_modified_cache_on_transition_comment_status', 10, 2 );
diff --git a/src/wp-includes/general-template.php b/src/wp-includes/general-template.php
index a9976e11d3b7..58a7d47af249 100644
--- a/src/wp-includes/general-template.php
+++ b/src/wp-includes/general-template.php
@@ -607,7 +607,6 @@ function bloginfo( $show = '' ) {
  *   will take precedence over this value
  * - 'template_url' / 'template_directory' - URL of the active theme's directory. An active
  *   child theme will NOT take precedence over this value
- * - 'pingback_url' - The pingback XML-RPC file URL (xmlrpc.php)
  * - 'atom_url' - The Atom feed URL (/feed/atom)
  * - 'rdf_url' - The RDF/RSS 1.0 feed URL (/feed/rfd)
  * - 'rss_url' - The RSS 0.92 feed URL (/feed/rss)
@@ -650,9 +649,6 @@ function get_bloginfo( $show = '', $filter = 'raw' ) {
 		case 'comments_rss2_url':
 			$output = get_feed_link('comments_rss2');
 			break;
-		case 'pingback_url':
-			$output = site_url( 'xmlrpc.php' );
-			break;
 		case 'stylesheet_url':
 			$output = get_stylesheet_uri();
 			break;