* @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;
*
* @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;
*/
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;
* @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 ) ) {
* @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 );
}