From 8a5ea24f61a12aca2554e2c960a45a8b462a32af Mon Sep 17 00:00:00 2001
From: Dion Hulse <dd32@git.wordpress.org>
Date: Sun, 7 Dec 2014 03:18:06 +0000
Subject: [PATCH] In the `links_add_base()` callback, use a HTTP-aware URL
 joining function, rather than a filesystem joining function to avoid PHP
 warnings on certain systems. Fixes #29950

git-svn-id: https://develop.svn.wordpress.org/trunk@30766 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/formatting.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/wp-includes/formatting.php b/src/wp-includes/formatting.php
index 9bb1538d80..3d4d1f20c7 100644
--- a/src/wp-includes/formatting.php
+++ b/src/wp-includes/formatting.php
@@ -3694,7 +3694,8 @@ function _links_add_base($m) {
 	return $m[1] . '=' . $m[2] .
 		( preg_match( '#^(\w{1,20}):#', $m[3], $protocol ) && in_array( $protocol[1], wp_allowed_protocols() ) ?
 			$m[3] :
-			path_join( $_links_add_base, $m[3] ) )
+			WP_HTTP::make_absolute_url( $m[3], $_links_add_base )
+		)
 		. $m[2];
 }