From 7c97e59ed65431a00fe641e09efa80c6e6da4b54 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov.ru@gmail.com>
Date: Tue, 3 Feb 2015 02:29:25 +0000
Subject: [PATCH] When using WP_Query's `'fields' => 'ids'` (or `'fields' =>
 'id=>parent'`), make sure the returned result is always an array of integers.

fixes #31194. see #27252.
Built from https://develop.svn.wordpress.org/trunk@31324


git-svn-id: http://core.svn.wordpress.org/trunk@31305 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/query.php   | 9 +++++++--
 wp-includes/version.php | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/wp-includes/query.php b/wp-includes/query.php
index 3c1b0c2bdb..ddb655370a 100644
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -3421,10 +3421,11 @@ class WP_Query {
 
 		if ( 'ids' == $q['fields'] ) {
 			$this->posts = $wpdb->get_col( $this->request );
+			$this->posts = array_map( 'intval', $this->posts );
 			$this->post_count = count( $this->posts );
 			$this->set_found_posts( $q, $limits );
 
-			return array_map( 'intval', $this->posts );
+			return $this->posts;
 		}
 
 		if ( 'id=>parent' == $q['fields'] ) {
@@ -3433,9 +3434,13 @@ class WP_Query {
 			$this->set_found_posts( $q, $limits );
 
 			$r = array();
-			foreach ( $this->posts as $post ) {
+			foreach ( $this->posts as $key => $post ) {
+				$this->posts[ $key ]->ID = (int) $post->ID;
+				$this->posts[ $key ]->post_parent = (int) $post->post_parent;
+
 				$r[ (int) $post->ID ] = (int) $post->post_parent;
 			}
+
 			return $r;
 		}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 903c0f8a17..31ccb64c29 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31323';
+$wp_version = '4.2-alpha-31324';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.