Ticket #33045: 33045.7.diff

src/wp-includes/post-template.php

@@ -1957 +1957 @@
         echo $rows;
         echo '</ul>';
 }
+
+/**
+ * Retrieve the parent post object.
+ *
+ * @since 5.7.0
+ *
+ * @param int|WP_Post|null $post_id Optional. Post ID or post object.
+ *
+ * @return WP_Post Parent post object.
+ */
+function get_post_parent( $post_id = null ) {
+        $post = get_post( $post_id );
+        return ! empty( $post ) ? $post : null;
+}
+
+/**
+ * Whether the post has a parent post.
+ *
+ * @since 5.7.0
+ *
+ * @param int|WP_Post|null $post_id Optional. Post ID or post object.
+ *
+ * @return bool True is the post has a parent post, false otherwise.
+ */
+function has_post_parent( $post_id = null ) {
+        return (bool) get_post_parent( $post_id );
+}