Ticket #31292: link-template.php.patch

link-template.php

@@ -1568 +1568 @@
          * @param array  $excluded_terms Array of excluded term IDs.
          */
         $join  = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_term, $excluded_terms );
+        
+        /**
+         * Filter the JOIN clause in the SQL for an adjacent post type query.
+         *
+         * The dynamic portion of the hook name, `$adjacent`, refers to the type
+         * of adjacency, 'next' or 'previous'.  The dynamic portion`$post->post_type` refers to the current post type
+         *
+         * @since 4.2.0
+         *
+         * @param string $join           The JOIN clause in the SQL.
+         * @param bool   $in_same_term   Whether post should be in a same taxonomy term.
+         * @param array  $excluded_terms Array of excluded term IDs.
+         */
+        $join  = apply_filters( "get_{$adjacent}_{$post->post_type}_join", $join, $in_same_term, $excluded_terms );
 
         /**
          * Filter the WHERE clause in the SQL for an adjacent post query.
          *
          * The dynamic portion of the hook name, `$adjacent`, refers to the type
-         * of adjacency, 'next' or 'previous'.
+         * of adjacency, 'next' or 'previous'.  
          *
          * @since 2.5.0
          *
@@ -1582 +1596 @@
          * @param array  $excluded_terms Array of excluded term IDs.
          */
         $where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s $where", $current_post_date, $post->post_type ), $in_same_term, $excluded_terms );
+        
+        /**
+         * Filter the WHERE clause in the SQL for an adjacent post type query.
+         *
+         * The dynamic portion of the hook name, `$adjacent`, refers to the type
+         * of adjacency, 'next' or 'previous'.  The dynamic portion `$post->post_type` refers to the current post type
+         *
+         * @since 4.2.0
+         *
+         * @param string $where          The `WHERE` clause in the SQL.
+         * @param bool   $in_same_term   Whether post should be in a same taxonomy term.
+         * @param array  $excluded_terms Array of excluded term IDs.
+         */
+        $where = apply_filters( "get_{$adjacent}_{$post->post_type}_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s $where", $current_post_date, $post->post_type ), $in_same_term, $excluded_terms );
 
         /**
          * Filter the ORDER BY clause in the SQL for an adjacent post query.
@@ -1594 +1622 @@
          * @param string $order_by The `ORDER BY` clause in the SQL.
          */
         $sort  = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" );
+        
+        /**
+         * Filter the ORDER BY clause in the SQL for an adjacent post query.
+         *
+         * The dynamic portion of the hook name, `$adjacent`, refers to the type
+         * of adjacency, 'next' or 'previous'.  The dynamic portion `$post->post_type` refers to the current post type
+         *
+         * @since 4.2.0
+         *
+         * @param string $order_by The `ORDER BY` clause in the SQL.
+         */
+        $sort  = apply_filters( "get_{$adjacent}_{$post->post_type}_sort", "ORDER BY p.post_date $order LIMIT 1" );
 
         $query = "SELECT p.ID FROM $wpdb->posts AS p $join $where $sort";
         $query_key = 'adjacent_post_' . md5( $query );