diff options
Diffstat (limited to 'wp-admin/admin-db.php')
| -rw-r--r-- | wp-admin/admin-db.php | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/wp-admin/admin-db.php b/wp-admin/admin-db.php index 1cf390b..becc711 100644 --- a/wp-admin/admin-db.php +++ b/wp-admin/admin-db.php @@ -473,9 +473,11 @@ function wp_set_link_cats($link_ID = 0, $link_categories = array()) { if ($add_cats) { foreach ($add_cats as $new_cat) { - $wpdb->query(" - INSERT INTO $wpdb->link2cat (link_id, category_id) - VALUES ($link_ID, $new_cat)"); + $new_cat = (int) $new_cat; + if ( !empty($new_cat) ) + $wpdb->query(" + INSERT INTO $wpdb->link2cat (link_id, category_id) + VALUES ('$link_ID', '$new_cat')"); } } |