Ticket #41014: 41014.diff

src/wp-includes/option.php

@@ -1853 +1853 @@
                 'description'  => __( 'Allow people to post comments on new articles.' ),
         ) );
 
+        register_setting( 'permalink', 'permalink_structure', array(
+                'show_in_rest' => true,
+                'type'         => 'string',
+                'description'  => __( 'Custom URL structure for permalinks and archives.' ),
+        ) );
 }
 
 /**

tests/phpunit/tests/rest-api/rest-settings-controller.php

@@ -65 +65 @@
                         'posts_per_page',
                         'default_ping_status',
                         'default_comment_status',
+                        'permalink_structure',
                 );
 
                 if ( ! is_multisite() ) {