Ticket #10935: 10935.2.diff

wp-includes/canonical.php

@@ -101 +101 @@
                         }
                 }
 
+                if ( get_query_var( 'day' ) && get_query_var( 'monthnum' ) && get_query_var( 'year' ) 
+                        && ! checkdate( get_query_var( 'monthnum' ), get_query_var( 'day' ), get_query_var( 'year' ) ) ) {
+                        $redirect_url = get_month_link( get_query_var( 'year' ), get_query_var( 'monthnum' ) );
+                        $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum', 'day' ), $redirect_url );
+                } elseif ( get_query_var( 'monthnum' ) && get_query_var( 'year' ) && 12 < get_query_var( 'monthnum' ) ) {
+                        $redirect_url = get_year_link( get_query_var( 'year' ) );
+                        $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum' ), $redirect_url );
+                }
+
                 if ( ! $redirect_url ) {
                         if ( $redirect_url = redirect_guess_404_permalink() ) {
                                 $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'page', 'feed', 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url );

wp-includes/query.php

@@ -1501 +1501 @@
 
                         if ( $qv['day'] ) {
                                 if ( ! $this->is_date ) {
-                                        $this->is_day = true;
-                                        $this->is_date = true;
+                                        if ( $qv['monthnum'] && $qv['year'] && ! checkdate( $qv['monthnum'], $qv['day'], $qv['year'] ) ) {
+                                                $qv['error'] = '404';
+                                        } else {
+                                                $this->is_day = true;
+                                                $this->is_date = true;
+                                        }
                                 }
                         }
 
                         if ( $qv['monthnum'] ) {
                                 if ( ! $this->is_date ) {
-                                        $this->is_month = true;
-                                        $this->is_date = true;
+                                        if ( 12 < $qv['monthnum'] ) {
+                                                $qv['error'] = '404';
+                                        } else {
+                                                $this->is_month = true;
+                                                $this->is_date = true;
+                                        }
                                 }
                         }