diff options
Diffstat (limited to 'wp-includes')
| -rw-r--r-- | wp-includes/category.php | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/wp-includes/category.php b/wp-includes/category.php index 76382ad..1d3f6e4 100644 --- a/wp-includes/category.php +++ b/wp-includes/category.php @@ -232,4 +232,19 @@ function &_get_cat_children($category_id, $categories) { return $category_list; } +function cat_is_ancestor_of($cat1, $cat2) { + if ( is_int($cat1) ) + $cat1 = & get_category($cat1); + if ( is_int($cat2) ) + $cat2 = & get_category($cat2); + + if ( !$cat1->cat_ID || !$cat2->category_parent ) + return false; + + if ( $cat2->category_parent == $cat1->cat_ID ) + return true; + + return cat_is_ancestor_of($cat1, get_category($cat2->parent_category)); +} + ?> |