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Improve category check in `redirect_canonical()` when permastruct contains category slug. 

[37262] changed a check in `redirect_canonical()` so that it checked
categories in the object cache rather than querying the database. However,
the check was based on the identity of `WP_Term` objects, which in
certain cases can be augmented by the main WP query routine, causing
failures of the `in_array()` check. This caused unnecessary redirects
for URLs where `is_single()` is true, but the URL is different from the
post permalink, such as the `embed` endpoint.

`has_term()` also checks the cache, but does not sufer from this bug.

Props cmillerdev.
Fixes #36602.
Built from https://develop.svn.wordpress.org/trunk@38216


git-svn-id: http://core.svn.wordpress.org/trunk@38157 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Boone Gorges 2016-08-08 18:49:28 +00:00
parent e9fb6e42be
commit 0ddbc2c99f
2 changed files with 2 additions and 3 deletions
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3
wp-includes/canonical.php
View File

@ -256,8 +256,7 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
}
} elseif ( is_single() && strpos($wp_rewrite->permalink_structure, '%category%') !== false && $cat = get_query_var( 'category_name' ) ) {
$category = get_category_by_path( $cat );
$post_terms = get_the_terms( $wp_query->get_queried_object_id(), 'category' );
if ( ( ! $category || is_wp_error( $category ) ) || ( ! is_wp_error( $post_terms ) && ! empty( $post_terms ) && ! in_array( $category, $post_terms ) ) ) {
if ( ( ! $category || is_wp_error( $category ) ) || ! has_term( $category->term_id, 'category', $wp_query->get_queried_object_id() ) ) {
$redirect_url = get_permalink($wp_query->get_queried_object_id());
}
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.7-alpha-38215';
$wp_version = '4.7-alpha-38216';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.