Ticket #13125: 13125.patch

canonical.php

@@ -82 +82 @@
         // These tests give us a WP-generated permalink
         if ( is_404() ) {
                 $redirect_url = redirect_guess_404_permalink();
+                
+                // #13125: redirect p=NNN links to page_id=NNN (if page exists) instead of 404ing
+                if( $id = get_query_var('p') ) {
+                        $type = $wpdb->get_var( $wpdb->prepare("SELECT post_type FROM $wpdb->posts WHERE ID = %d", $id ) );
+                        if($type && 'page' == $type) {
+                                $redirect['query'] = remove_query_arg(array('p', 'page_id'), $redirect['query']);
+                                $redirect_url = get_permalink($id);
+                        }
+                }
         } elseif ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ) {
                 // rewriting of old ?p=X, ?m=2004, ?m=200401, ?m=20040101
                 if ( is_attachment() && !empty($_GET['attachment_id']) && ! $redirect_url ) {
@@ -387 +396 @@
 
 add_action('template_redirect', 'redirect_canonical');
 
-?>
+?>
+ No newline at end of file