From 5b8a20d13408a9cd540e63a7bfefd4a366ff2f11 Mon Sep 17 00:00:00 2001
From: Mamaduka <Mamaduka@git.wordpress.org>
Date: Tue, 4 Feb 2025 09:01:17 +0000
Subject: [PATCH] Editor: Fix `parents` argument validation for Query block.

Allow passing zero (`0`) via the `parents` argument. It is a valid value for hierarchical post types, often used to display top-level items.

Props mamaduka, audrasjb, peterwilsoncc.
Fixes #62901.
Built from https://develop.svn.wordpress.org/trunk@59761


git-svn-id: http://core.svn.wordpress.org/trunk@59103 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/blocks.php  | 2 +-
 wp-includes/version.php | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/wp-includes/blocks.php b/wp-includes/blocks.php
index 25a4a7e3b2..c09321edfa 100644
--- a/wp-includes/blocks.php
+++ b/wp-includes/blocks.php
@@ -2638,7 +2638,7 @@ function build_query_vars_from_query_block( $block, $page ) {
 			$query['s'] = $block->context['query']['search'];
 		}
 		if ( ! empty( $block->context['query']['parents'] ) && is_post_type_hierarchical( $query['post_type'] ) ) {
-			$query['post_parent__in'] = array_filter( array_map( 'intval', $block->context['query']['parents'] ) );
+			$query['post_parent__in'] = array_unique( array_map( 'intval', $block->context['query']['parents'] ) );
 		}
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 082d043fbf..ca1441ade0 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-alpha-59760';
+$wp_version = '6.8-alpha-59761';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.