Wordpress 4.6
[autoinstalls/wordpress.git] / wp-includes / canonical.php
index 87afcce2f7a551f34768aca9d4518ab82719c18d..11c513d31ae9e0d7ec25e0d2daca585bc7b50867 100644 (file)
@@ -256,9 +256,9 @@ 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 );
-                       $post_terms = wp_get_object_terms($wp_query->get_queried_object_id(), 'category', array('fields' => 'tt_ids'));
-                       if ( (!$category || is_wp_error($category)) || ( !is_wp_error($post_terms) && !empty($post_terms) && !in_array($category->term_taxonomy_id, $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());
+                       }
                }
 
                // Post Paging
@@ -477,6 +477,15 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
        // Hex encoded octets are case-insensitive.
        if ( false !== strpos($requested_url, '%') ) {
                if ( !function_exists('lowercase_octets') ) {
+                       /**
+                        * Converts the first hex-encoded octet match to lowercase.
+                        *
+                        * @since 3.1.0
+                        * @ignore
+                        *
+                        * @param array $matches Hex-encoded octet matches for the requested URL.
+                        * @return string Lowercased version of the first match.
+                        */
                        function lowercase_octets($matches) {
                                return strtolower( $matches[0] );
                        }
@@ -485,7 +494,7 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
        }
 
        /**
-        * Filter the canonical redirect URL.
+        * Filters the canonical redirect URL.
         *
         * Returning false to this filter will cancel the redirect.
         *