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author | donncha <donncha@7be80a69-a1ef-0310-a953-fb0f7c49ff36> | 2006-10-06 14:28:06 +0000 |
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committer | donncha <donncha@7be80a69-a1ef-0310-a953-fb0f7c49ff36> | 2006-10-06 14:28:06 +0000 |
commit | ca036ad95fc44c318275ab539a52f1eb6fddf060 (patch) | |
tree | c2caa110214b14e30570b34f25ac245702031f18 /wp-includes/category.php | |
parent | 27893d032fa693cece9531111771a5653f7f31ed (diff) | |
download | wordpress-mu-ca036ad95fc44c318275ab539a52f1eb6fddf060.tar.gz wordpress-mu-ca036ad95fc44c318275ab539a52f1eb6fddf060.tar.xz wordpress-mu-ca036ad95fc44c318275ab539a52f1eb6fddf060.zip |
Add cat_is_ancestor_of() function to help stop recursive categories
git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@796 7be80a69-a1ef-0310-a953-fb0f7c49ff36
Diffstat (limited to 'wp-includes/category.php')
-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)); +} + ?> |