From 401d3c1b517d0c3c48f197dbbad995ea69f1153b Mon Sep 17 00:00:00 2001
From: Boone Gorges <boonebgorges@gmail.com>
Date: Fri, 8 Mar 2019 15:37:52 +0000
Subject: [PATCH] Taxonomy: Introduce `post_column_taxonomy_links`.

This filter allows plugin developers to modify the markup for the links
in taxonomy columns on edit.php.

Props DaveFX.
Fixes #42669.
Built from https://develop.svn.wordpress.org/trunk@44822


git-svn-id: http://core.svn.wordpress.org/trunk@44654 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 .../includes/class-wp-posts-list-table.php    | 19 ++++++++++++++++---
 wp-includes/version.php                       |  2 +-
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/wp-admin/includes/class-wp-posts-list-table.php b/wp-admin/includes/class-wp-posts-list-table.php
index c16b9a8ed4..00c4b7b146 100644
--- a/wp-admin/includes/class-wp-posts-list-table.php
+++ b/wp-admin/includes/class-wp-posts-list-table.php
@@ -1126,7 +1126,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 			$taxonomy_object = get_taxonomy( $taxonomy );
 			$terms           = get_the_terms( $post->ID, $taxonomy );
 			if ( is_array( $terms ) ) {
-				$out = array();
+				$term_links = array();
 				foreach ( $terms as $t ) {
 					$posts_in_term_qv = array();
 					if ( 'post' != $post->post_type ) {
@@ -1140,10 +1140,23 @@ class WP_Posts_List_Table extends WP_List_Table {
 					}
 
 					$label = esc_html( sanitize_term_field( 'name', $t->name, $t->term_id, $taxonomy, 'display' ) );
-					$out[] = $this->get_edit_link( $posts_in_term_qv, $label );
+
+					$term_links[] = $this->get_edit_link( $posts_in_term_qv, $label );
 				}
+
+				/**
+				 * Filters the links in `$taxonomy` column of edit.php.
+				 *
+				 * @since 5.2.0
+				 *
+				 * @param array  $term_links List of links to edit.php, filtered by the taxonomy term.
+				 * @param string $taxonomy   Taxonomy name.
+				 * @param array  $terms      Array of terms appearing in the post row.
+				 */
+				$term_links = apply_filters( 'post_column_taxonomy_links', $term_links, $taxonomy, $terms );
+
 				/* translators: used between list items, there is a space after the comma */
-				echo join( __( ', ' ), $out );
+				echo join( __( ', ' ), $term_links );
 			} else {
 				echo '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . $taxonomy_object->labels->no_terms . '</span>';
 			}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 52e05d9a21..b7beaf480e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.2-alpha-44821';
+$wp_version = '5.2-alpha-44822';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.