*/
function get_all_category_ids() {
if ( ! $cat_ids = wp_cache_get( 'all_category_ids', 'category' ) ) {
- $cat_ids = get_terms( 'category', 'fields=ids&get=all' );
+ $cat_ids = get_terms( 'category', array('fields' => 'ids', 'get' => 'all') );
wp_cache_add( 'all_category_ids', $cat_ids, 'category' );
}
* @return array List of categories.
*/
function &get_categories( $args = '' ) {
- $defaults = array( 'type' => 'category' );
+ $defaults = array( 'taxonomy' => 'category' );
$args = wp_parse_args( $args, $defaults );
- $taxonomy = apply_filters( 'get_categories_taxonomy', 'category', $args );
- if ( 'link' == $args['type'] )
- $taxonomy = 'link_category';
+ $taxonomy = apply_filters( 'get_categories_taxonomy', $args['taxonomy'], $args );
+
+ // Back compat
+ if ( isset($args['type']) && 'link' == $args['type'] ) {
+ _deprecated_argument( __FUNCTION__, '3.0', '' );
+ $taxonomy = $args['taxonomy'] = 'link_category';
+ }
+
$categories = (array) get_terms( $taxonomy, $args );
foreach ( array_keys( $categories ) as $k )
* @since 2.1.0
*
* @param string $category_path URL containing category slugs.
- * @param bool $full_match Optional. Whether should match full path or not.
+ * @param bool $full_match Optional. Whether full path should be matched.
* @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N
* @return null|object|array Null on failure. Type is based on $output value.
*/
foreach ( (array) $category_paths as $pathdir )
$full_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title( $pathdir );
- $categories = get_terms( 'category', "get=all&slug=$leaf_path" );
+ $categories = get_terms( 'category', array('get' => 'all', 'slug' => $leaf_path) );
if ( empty( $categories ) )
return null;
}
-/**
- * Retrieve the category name by the category ID.
- *
- * @since 0.71
- * @deprecated Use get_cat_name()
- * @see get_cat_name() get_catname() is deprecated in favor of get_cat_name().
- *
- * @param int $cat_ID Category ID
- * @return string category name
- */
-function get_catname( $cat_ID ) {
- return get_cat_name( $cat_ID );
-}
-
-
/**
* Retrieve the name of a category from its ID.
*
* @since 1.0.0
*
* @param int $cat_id Category ID
- * @return string Category name
+ * @return string Category name, or an empty string if category doesn't exist.
*/
function get_cat_name( $cat_id ) {
$cat_id = (int) $cat_id;
$category = &get_category( $cat_id );
+ if ( ! $category || is_wp_error( $category ) )
+ return '';
return $category->name;
}
* @return bool Whether $cat2 is child of $cat1
*/
function cat_is_ancestor_of( $cat1, $cat2 ) {
- if ( is_int( $cat1 ) )
+ if ( ! isset($cat1->term_id) )
$cat1 = &get_category( $cat1 );
- if ( is_int( $cat2 ) )
+ if ( ! isset($cat2->parent) )
$cat2 = &get_category( $cat2 );
- if ( !$cat1->term_id || !$cat2->parent )
+ if ( empty($cat1->term_id) || empty($cat2->parent) )
return false;
-
if ( $cat2->parent == $cat1->term_id )
return true;