Ticket #21977: 21977.diff

wp-includes/class-wp-xmlrpc-server.php

@@ -1561 +1561 @@
                 if ( empty( $term_data['name'] ) )
                         return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
 
-                if ( isset( $content_struct['parent'] ) ) {
+                if ( ! empty( $content_struct['parent'] ) ) {
                         if ( ! $taxonomy['hierarchical'] )
                                 return new IXR_Error( 403, __( 'This taxonomy is not hierarchical.' ) );
 
@@ -1660 +1660 @@
                                 return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
                 }
 
-                if ( isset( $content_struct['parent'] ) ) {
+                if ( ! empty( $content_struct['parent'] ) ) {
                         if ( ! $taxonomy['hierarchical'] )
                                 return new IXR_Error( 403, __( "This taxonomy is not hierarchical so you can't set a parent." ) );