diff options
Diffstat (limited to 'wp-includes/category.php')
| -rw-r--r-- | wp-includes/category.php | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/wp-includes/category.php b/wp-includes/category.php index 1d3f6e4..7b3e7ca 100644 --- a/wp-includes/category.php +++ b/wp-includes/category.php @@ -30,6 +30,11 @@ function &get_categories($args = '') { $r['number'] = (int) $r['number']; extract($r); + $key = md5( serialize( $r ) ); + if ( $cache = wp_cache_get( 'get_categories', 'category' ) ) + if ( isset( $cache[ $key ] ) ) + return $cache[ $key ]; + $where = 'cat_ID > 0'; $inclusions = ''; if ( !empty($include) ) { @@ -119,9 +124,20 @@ function &get_categories($args = '') { } reset ( $categories ); + $cache[ $key ] = $categories; + wp_cache_set( 'get_categories', $cache, 'category' ); + return apply_filters('get_categories', $categories, $r); } +function delete_get_categories_cache() { + wp_cache_delete('get_categories', 'category'); +} +add_action( 'wp_insert_post', 'delete_get_categories_cache' ); +add_action( 'edit_category', 'delete_get_categories_cache' ); +add_action( 'add_category', 'delete_get_categories_cache' ); +add_action( 'delete_category', 'delete_get_categories_cache' ); + // Retrieves category data given a category ID or category object. // Handles category caching. function &get_category(&$category, $output = OBJECT) { @@ -232,19 +248,4 @@ function &_get_cat_children($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)); -} - ?> |