From a98ca8b314a7e5af98c3451f365a0be7c2a372d4 Mon Sep 17 00:00:00 2001
From: Scott Taylor <wonderboymusic@git.wordpress.org>
Date: Fri, 25 Sep 2015 02:37:29 +0000
Subject: [PATCH] Links: in `get_adjacent_post()`, add a
 `"get_{$adjacent}_post_excluded_terms"` filter.

Props rmccue, Japh, MikeHansenMe.
Fixes #9571.


git-svn-id: https://develop.svn.wordpress.org/trunk@34528 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/link-template.php | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/wp-includes/link-template.php b/src/wp-includes/link-template.php
index d6815ad9a3..7538a52aff 100644
--- a/src/wp-includes/link-template.php
+++ b/src/wp-includes/link-template.php
@@ -1629,6 +1629,18 @@ function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previo
 	$op = $previous ? '<' : '>';
 	$order = $previous ? 'DESC' : 'ASC';
 
+	/**
+	 * Filter the excluded term ids
+	 *
+	 * The dynamic portion of the hook name, `$adjacent`, refers to the type
+	 * of adjacency, 'next' or 'previous'.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $excluded_terms Array of excluded term IDs.
+	 */
+	$excluded_terms = apply_filters( "get_{$adjacent}_post_excluded_terms", $excluded_terms );
+
 	/**
 	 * Filter the JOIN clause in the SQL for an adjacent post query.
 	 *