* @param string|array $args Optional. Change the defaults retrieving categories.
* @return array List of categories.
*/
-function &get_categories( $args = '' ) {
+function get_categories( $args = '' ) {
$defaults = array( 'taxonomy' => 'category' );
$args = wp_parse_args( $args, $defaults );
* @param string $filter Optional. Default is raw or no WordPress defined filter will applied.
* @return mixed Category data in type defined by $output parameter.
*/
-function &get_category( $category, $output = OBJECT, $filter = 'raw' ) {
+function get_category( $category, $output = OBJECT, $filter = 'raw' ) {
$category = get_term( $category, 'category', $output, $filter );
if ( is_wp_error( $category ) )
return $category;
return $category;
}
-
/**
* Retrieve the ID of a category from its name.
*
* @since 1.0.0
*
- * @param string $cat_name Optional. Default is 'General' and can be any category name.
+ * @param string $cat_name Category name.
* @return int 0, if failure and ID of category on success.
*/
-function get_cat_ID( $cat_name='General' ) {
+function get_cat_ID( $cat_name ) {
$cat = get_term_by( 'name', $cat_name, 'category' );
if ( $cat )
return $cat->term_id;
return 0;
}
-
/**
* Retrieve the name of a category from its ID.
*
*/
function get_cat_name( $cat_id ) {
$cat_id = (int) $cat_id;
- $category = &get_category( $cat_id );
+ $category = get_category( $cat_id );
if ( ! $category || is_wp_error( $category ) )
return '';
return $category->name;
}
-
/**
* Check if a category is an ancestor of another category.
*
* @return bool Whether $cat2 is child of $cat1
*/
function cat_is_ancestor_of( $cat1, $cat2 ) {
- if ( ! isset($cat1->term_id) )
- $cat1 = &get_category( $cat1 );
- if ( ! isset($cat2->parent) )
- $cat2 = &get_category( $cat2 );
-
- if ( empty($cat1->term_id) || empty($cat2->parent) )
- return false;
- if ( $cat2->parent == $cat1->term_id )
- return true;
-
- return cat_is_ancestor_of( $cat1, get_category( $cat2->parent ) );
+ return term_is_ancestor_of( $cat1, $cat2, 'category' );
}
-
/**
* Sanitizes category data based on context.
*
return sanitize_term( $category, 'category', $context );
}
-
/**
* Sanitizes data in single category key field.
*
/* Tags */
-
/**
* Retrieves all post tags.
*
* @param string|array $args Tag arguments to use when retrieving tags.
* @return array List of tags.
*/
-function &get_tags( $args = '' ) {
+function get_tags( $args = '' ) {
$tags = get_terms( 'post_tag', $args );
if ( empty( $tags ) ) {
return $tags;
}
-
/**
* Retrieve post tag by tag ID or tag object.
*
* @param string $filter Optional. Default is raw or no WordPress defined filter will applied.
* @return object|array Return type based on $output value.
*/
-function &get_tag( $tag, $output = OBJECT, $filter = 'raw' ) {
+function get_tag( $tag, $output = OBJECT, $filter = 'raw' ) {
return get_term( $tag, 'post_tag', $output, $filter );
}
-
/* Cache */
-
-/**
- * Update the categories cache.
- *
- * This function does not appear to be used anymore or does not appear to be
- * needed. It might be a legacy function left over from when there was a need
- * for updating the category cache.
- *
- * @since 1.5.0
- *
- * @return bool Always return True
- */
-function update_category_cache() {
- return true;
-}
-
-
/**
* Remove the category cache data based on ID.
*
clean_term_cache( $id, 'category' );
}
-
/**
* Update category structure to old pre 2.3 from new taxonomy structure.
*
$category['category_parent'] = &$category['parent'];
}
}
-
-
-?>