From a05a51829a23a79bbf6df8f7db5468ed2eb0080b Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Fri, 21 May 2010 18:03:53 +0000
Subject: [PATCH] If slug and name match an existing term in the same taxonomy
 at the same hieararchy level return error. fixes #13481

git-svn-id: http://svn.automattic.com/wordpress/trunk@14784 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/taxonomy.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
index 8117a2aac..2f8e9ba80 100644
--- a/wp-includes/taxonomy.php
+++ b/wp-includes/taxonomy.php
@@ -1626,6 +1626,9 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) {
 			if ( false === $wpdb->insert( $wpdb->terms, compact( 'name', 'slug', 'term_group' ) ) )
 				return new WP_Error('db_insert_error', __('Could not insert term into the database'), $wpdb->last_error);
 			$term_id = (int) $wpdb->insert_id;
+		} elseif ( is_term( (int) $term_id, $taxonomy ) )  {
+			// Same name, same slug.
+			return new WP_Error('term_exists', __('A term with the name provided already exists.'));
 		}
 	} else {
 		// This term does not exist at all in the database, Create it.