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Post Thumbnails: Prevent post thumbnail previews from spilling into other images.

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After [38118], when previewing a page with a secondary loop, all post
thumbnails would be filtered to display the post thumbnail for the
page being previewed. This ensures `_wp_preview_post_thumbnail_filter()`
is only applied if the `$post_id` of the post meta being filtered is
equal to the post or page being previewed.

Props swisspidy, joemcgill.
Fixes #37697.

git-svn-id: https://develop.svn.wordpress.org/trunk@38433 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Joe McGill
2016-08-29 12:24:09 +00:00
parent 6b23bbb92b
commit 142fefb269
2 changed files with 38 additions and 7 deletions
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8
src/wp-includes/revision.php
View File

@@ -594,7 +594,13 @@ function _wp_preview_post_thumbnail_filter( $value, $post_id, $meta_key ) {
return $value;
}
if ( empty( $_REQUEST['_thumbnail_id'] ) || $post->ID != $post_id || '_thumbnail_id' != $meta_key || 'revision' == $post->post_type ) {
if ( empty( $_REQUEST['_thumbnail_id'] ) ||
empty( $_REQUEST['preview_id'] ) ||
$post->ID != $post_id ||
'_thumbnail_id' != $meta_key ||
'revision' == $post->post_type ||
$post_id != $_REQUEST['preview_id']
) {
return $value;
}