From 5304745be052aafe9ac44e4a86f490e24e778722 Mon Sep 17 00:00:00 2001
From: Eric Andrew Lewis <ericlewis@git.wordpress.org>
Date: Fri, 8 Jan 2016 22:00:48 +0000
Subject: [PATCH] Permalinks: Make `get_post_type_archive_link()` work for the
 'post' post type.

Props jjj.
See #19902.


git-svn-id: https://develop.svn.wordpress.org/trunk@36225 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/link-template.php             | 13 +++++++++
 .../tests/link/getPostTypeArchiveLink.php     | 28 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 tests/phpunit/tests/link/getPostTypeArchiveLink.php

diff --git a/src/wp-includes/link-template.php b/src/wp-includes/link-template.php
index b580a0a8a2..0b8354a92b 100644
--- a/src/wp-includes/link-template.php
+++ b/src/wp-includes/link-template.php
@@ -1124,6 +1124,19 @@ function get_post_type_archive_link( $post_type ) {
 	if ( ! $post_type_obj = get_post_type_object( $post_type ) )
 		return false;
 
+	if ( 'post' === $post_type ) {
+		$show_on_front = get_option( 'show_on_front' );
+		$page_for_posts  = get_option( 'page_for_posts' );
+
+		if ( 'page' == $show_on_front && $page_for_posts ) {
+			$link = get_permalink( $page_for_posts );
+		} else {
+			$link = get_home_url();
+		}
+		/** This filter is documented in wp-includes/link-template.php */
+		return apply_filters( 'post_type_archive_link', $link, $post_type );
+	}
+
 	if ( ! $post_type_obj->has_archive )
 		return false;
 
diff --git a/tests/phpunit/tests/link/getPostTypeArchiveLink.php b/tests/phpunit/tests/link/getPostTypeArchiveLink.php
new file mode 100644
index 0000000000..bb15c16a69
--- /dev/null
+++ b/tests/phpunit/tests/link/getPostTypeArchiveLink.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * @group link
+ */
+class Tests_Link_GetPostTypeArchiveLink extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 19902
+	 */
+	public function test_get_post_archive_link_with_post_archive_on_front_page() {
+		update_option( 'show_on_front', 'posts' );
+		$actual = get_post_type_archive_link( 'post' );
+		$expected = get_home_url();
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 19902
+	 */
+	public function test_get_post_archive_link_with_post_archive_on_a_blog_page() {
+		$page_for_posts = $this->factory->post->create( array( 'post_title' => 'blog-page', 'post_type' => 'page' ) );
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_for_posts', $page_for_posts );
+		$actual = get_post_type_archive_link( 'post' );
+		$expected = get_permalink( $page_for_posts );
+		$this->assertSame( $expected, $actual );
+	}
+}