Ticket #47777: 47777.2.diff

src/wp-includes/post.php

@@ -6443 +6443 @@
 
         $lastpostmodified = _get_last_post_time( $timezone, 'modified', $post_type );
 
-        $lastpostdate = get_lastpostdate( $timezone );
+        $lastpostdate = get_lastpostdate( $timezone, $post_type );
         if ( $lastpostdate > $lastpostmodified ) {
                 $lastpostmodified = $lastpostdate;
         }
@@ -6452 +6452 @@
          * Filters the most recent time that a post was modified.
          *
          * @since 2.3.0
+         * @since 5.4.0 - Add `$post_type` as the third parameter.
          *
          * @param string|false $lastpostmodified The most recent time that a post was modified, in 'Y-m-d H:i:s' format.
          *                                       False on failure.
          * @param string       $timezone         Location to use for getting the post modified date.
          *                                       See get_lastpostdate() for accepted `$timezone` values.
+         * @param string       $post_type        The post type to check.
          */
-        return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone );
+        return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone, $post_type );
 }
 
 /**

new file tests/phpunit/tests/post/getLastPostModified.php

@@ +1 @@
+<?php
+
+/**
+ * @group post
+ */
+class Tests_Post_GetLastPostModified extends WP_UnitTestCase {
+        /**
+         * @ticket 47777
+         */
+        public function test_get_lastpostmodified() {
+                $post_post_date          = '2018-01-30 16:09:28';
+                $post_post_modified_date = '2018-02-28 17:10:29';
+
+                $book_post_date          = '2019-03-30 18:11:30';
+                $book_post_modified_date = '2019-04-30 19:12:31';
+
+                // Register book post type.
+                register_post_type( 'book', array( 'has_archive' => true ) );
+
+                // Create a simple post.
+                $simple_post_id = self::factory()->post->create(
+                        array(
+                                'post_title'    => 'Simple Post',
+                                'post_type'     => 'post',
+                                'post_date'     => $post_post_date,
+                        )
+                );
+
+                // Create custom type post
+                $book_cpt_id = self::factory()->post->create(
+                        array(
+                                'post_title'    => 'Book CPT',
+                                'post_type'     => 'book',
+                                'post_date'     => $book_post_date
+                        )
+                );
+
+                // Update `post_modified` and `post_modified_gmt`.
+                global $wpdb;
+
+                $wpdb->update(
+                        $wpdb->posts,
+                        array(
+                                'post_modified'     => $post_post_modified_date,
+                                'post_modified_gmt' => $post_post_modified_date,
+                        ),
+                        array(
+                                'ID' => $simple_post_id,
+                        )
+                );
+
+                $wpdb->update(
+                        $wpdb->posts,
+                        array(
+                                'post_modified'     => $book_post_modified_date,
+                                'post_modified_gmt' => $book_post_modified_date,
+                        ),
+                        array(
+                                'ID' => $book_cpt_id,
+                        )
+                );
+
+                // Delete cache to get the updated modified date.
+                wp_cache_delete( $simple_post_id, 'posts' );
+                wp_cache_delete( $book_cpt_id, 'posts' );
+
+                $post_lastpost_modified = get_lastpostmodified( 'blog', 'post' );
+                $book_lastpost_modified = get_lastpostmodified( 'blog', 'book' );
+
+                $this->assertEquals( $post_post_modified_date, $post_lastpost_modified );
+                $this->assertEquals( $book_post_modified_date, $book_lastpost_modified );
+        }
+}