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Ignore:
Timestamp:
05/29/2014 06:03:15 AM (7 years ago)
Author:
wonderboymusic
Message:

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.

Adds unit test.

Fixes #28099.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-includes/query.php

    r28612 r28613  
    24492449            $post__in = implode(',', array_map( 'absint', $q['post__in'] ));
    24502450            $where .= " AND {$wpdb->posts}.ID IN ($post__in)";
     2451        } elseif ( isset( $this->query['post__in'] ) ) {
     2452            $post__in = 0;
     2453            $where .= " AND 1=0 ";
    24512454        } elseif ( $q['post__not_in'] ) {
    24522455            $post__not_in = implode(',',  array_map( 'absint', $q['post__not_in'] ));
     
    24592462            $post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) );
    24602463            $where .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)";
     2464        } elseif ( isset( $this->query['post_parent__in'] ) ) {
     2465            $post_parent__in = 0;
     2466            $where .= " AND 1=0 ";
    24612467        } elseif ( $q['post_parent__not_in'] ) {
    24622468            $post_parent__not_in = implode( ',',  array_map( 'absint', $q['post_parent__not_in'] ) );
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