WordPress 4.2
[autoinstalls/wordpress.git] / wp-includes / canonical.php
index 5b2f84d6b7caae8429713a0e9fd4636437d57c3a..5f4bda087e2bc823a8c2bcbbbf7485121e913df1 100644 (file)
@@ -83,6 +83,11 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
        if ( !isset($redirect['query']) )
                $redirect['query'] = '';
 
+       // If the original URL ended with non-breaking spaces, they were almost
+       // certainly inserted by accident. Let's remove them, so the reader doesn't
+       // see a 404 error with no obvious cause.
+       $redirect['path'] = preg_replace( '|(%C2%A0)+$|i', '', $redirect['path'] );
+
        // It's not a preview, so remove it from URL
        if ( get_query_var( 'preview' ) ) {
                $redirect['query'] = remove_query_arg( 'preview', $redirect['query'] );
@@ -254,11 +259,11 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
 
                // paging and feeds
                if ( get_query_var('paged') || is_feed() || get_query_var('cpage') ) {
-                       while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] ) || preg_match( '#/(comments/?)?(feed|rss|rdf|atom|rss2)(/+)?$#', $redirect['path'] ) || preg_match( '#/comment-page-[0-9]+(/+)?$#', $redirect['path'] ) ) {
+                       while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] ) || preg_match( '#/(comments/?)?(feed|rss|rdf|atom|rss2)(/+)?$#', $redirect['path'] ) || preg_match( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+(/+)?$#", $redirect['path'] ) ) {
                                // Strip off paging and feed
                                $redirect['path'] = preg_replace("#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", '/', $redirect['path']); // strip off any existing paging
                                $redirect['path'] = preg_replace('#/(comments/?)?(feed|rss2?|rdf|atom)(/+|$)#', '/', $redirect['path']); // strip off feed endings
-                               $redirect['path'] = preg_replace('#/comment-page-[0-9]+?(/+)?$#', '/', $redirect['path']); // strip off any existing comment paging
+                               $redirect['path'] = preg_replace("#/{$wp_rewrite->comments_pagination_base}-[0-9]+?(/+)?$#", '/', $redirect['path']); // strip off any existing comment paging
                        }
 
                        $addl_path = '';
@@ -302,7 +307,7 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
                        }
 
                        if ( get_option('page_comments') && ( ( 'newest' == get_option('default_comments_page') && get_query_var('cpage') > 0 ) || ( 'newest' != get_option('default_comments_page') && get_query_var('cpage') > 1 ) ) ) {
-                               $addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit( 'comment-page-' . get_query_var('cpage'), 'commentpaged' );
+                               $addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit( $wp_rewrite->comments_pagination_base . '-' . get_query_var('cpage'), 'commentpaged' );
                                $redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
                        }
 
@@ -553,8 +558,6 @@ function redirect_guess_404_permalink() {
        return false;
 }
 
-add_action('template_redirect', 'redirect_canonical');
-
 function wp_redirect_admin_locations() {
        global $wp_rewrite;
        if ( ! ( is_404() && $wp_rewrite->using_permalinks() ) )
@@ -582,5 +585,3 @@ function wp_redirect_admin_locations() {
                exit;
        }
 }
-
-add_action( 'template_redirect', 'wp_redirect_admin_locations', 1000 );