wp_delete_category() tweaks and code consolidation. fixes #3463

git-svn-id: http://svn.automattic.com/wordpress/trunk@4639 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
markjaquith 2006-12-10 20:53:05 +00:00
parent 5ce03d44bb
commit 448c02eed3

View File

@ -174,29 +174,27 @@ function wp_delete_category($cat_ID) {
global $wpdb;
$cat_ID = (int) $cat_ID;
$default_cat = get_option('default_category');
$default_link_cat = get_option('default_link_category');
// Don't delete the default cat.
if ( $cat_ID == get_option('default_category') )
return 0;
if ( $cat_ID == get_option('default_link_category') )
// Don't delete either of the default cats
if ( $cat_ID == $default_cat || $cat_ID == $default_link_cat )
return 0;
$category = get_category($cat_ID);
$parent = $category->category_parent;
// Delete the category.
// Delete the category
if ( !$wpdb->query("DELETE FROM $wpdb->categories WHERE cat_ID = '$cat_ID'") )
return 0;
// Update children to point to new parent.
// Update children to point to new parent
$wpdb->query("UPDATE $wpdb->categories SET category_parent = '$parent' WHERE category_parent = '$cat_ID'");
// Only set posts and links to the default category if they're not in another category already.
$default_cat = get_option('default_category');
// Only set posts and links to the default category if they're not in another category already
$posts = $wpdb->get_col("SELECT post_id FROM $wpdb->post2cat WHERE category_id='$cat_ID'");
if ( is_array($posts) ) foreach ($posts as $post_id) {
foreach ( (array) $posts as $post_id ) {
$cats = wp_get_post_categories($post_id);
if ( 1 == count($cats) )
$cats = array($default_cat);
@ -205,9 +203,8 @@ function wp_delete_category($cat_ID) {
wp_set_post_categories($post_id, $cats);
}
$default_link_cat = get_option('default_link_category');
$links = $wpdb->get_col("SELECT link_id FROM $wpdb->link2cat WHERE category_id='$cat_ID'");
if ( is_array($links) ) foreach ($links as $link_id) {
foreach ( (array) $links as $link_id ) {
$cats = wp_get_link_cats($link_id);
if ( 1 == count($cats) )
$cats = array($default_link_cat);
@ -217,9 +214,7 @@ function wp_delete_category($cat_ID) {
}
clean_category_cache($cat_ID);
do_action('delete_category', $cat_ID);
return 1;
}