Don't create '0' categories. fixes #4413

git-svn-id: http://svn.automattic.com/wordpress/trunk@5739 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2007-06-20 22:06:29 +00:00
parent 9d84bef608
commit 21e8f43f8c
2 changed files with 7 additions and 0 deletions
@@ -381,6 +381,8 @@ function is_term($term, $taxonomy = '') {
 	global $wpdb;

 	if ( is_int($term) ) {
+		if ( 0 == $term )
+			return 0;
 		$where = "t.term_id = '$term'";
 	} else {
 		if ( ! $term = sanitize_title($term) )
@@ -600,6 +602,9 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) {
 	if ( ! is_taxonomy($taxonomy) )
 		return new WP_Error('invalid_taxonomy', __('Invalid taxonomy'));

+	if ( is_int($term) && 0 == $term )
+		return new WP_Error('invalid_term_id', __('Invalid term ID'));
+
 	$defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '');
 	$args = wp_parse_args($args, $defaults);
 	$args['name'] = $term;