Ticket #4613: fix_import.patch

wordpress.php

@@ -316 +316 @@
                         if (count($categories) > 0) {
                                 $post_cats = array();
                                 foreach ($categories as $category) {
-                                        $cat_ID = (int) $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE cat_name = '$category'");
+                                        $category_nicename = sanitize_title($category);
+                                        $category_nicename = apply_filters('pre_category_nicename', $category_nicename);
+                                        $cat_ID = (int) $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '$category_nicename'");
                                         if ($cat_ID == 0) {
                                                 $cat_ID = wp_insert_category(array('cat_name' => $category));
                                         }