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If post__in or post_parent__in is passed to WP_Query as an empty array, nuke the query. Both vars are currently only checked for truthiness after which they are ignored. Setting these vars at all indicates explicit filtering being desired.

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Adds unit test.

Fixes #28099.

Built from https://develop.svn.wordpress.org/trunk@28613


git-svn-id: http://core.svn.wordpress.org/trunk@28437 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Scott Taylor 2014-05-29 06:04:15 +00:00
parent dfb75f0833
commit c367eb71e5
1 changed files with 6 additions and 0 deletions
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6
wp-includes/query.php
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@ -2448,6 +2448,9 @@ class WP_Query {
} elseif ( $q['post__in'] ) {
$post__in = implode(',', array_map( 'absint', $q['post__in'] ));
$where .= " AND {$wpdb->posts}.ID IN ($post__in)";
} elseif ( isset( $this->query['post__in'] ) ) {
$post__in = 0;
$where .= " AND 1=0 ";
} elseif ( $q['post__not_in'] ) {
$post__not_in = implode(',', array_map( 'absint', $q['post__not_in'] ));
$where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
@ -2458,6 +2461,9 @@ class WP_Query {
} elseif ( $q['post_parent__in'] ) {
$post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) );
$where .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)";
} elseif ( isset( $this->query['post_parent__in'] ) ) {
$post_parent__in = 0;
$where .= " AND 1=0 ";
} elseif ( $q['post_parent__not_in'] ) {
$post_parent__not_in = implode( ',', array_map( 'absint', $q['post_parent__not_in'] ) );
$where .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)";