* @param string $separator Optional, default is '/'. How to separate categories.
* @param bool $nicename Optional, default is false. Whether to use nice name for display.
* @param array $visited Optional. Already linked to categories to prevent duplicates.
- * @return string
+ * @return string|WP_Error A list of category parents on success, WP_Error on failure.
*/
function get_category_parents( $id, $link = false, $separator = '/', $nicename = false, $visited = array() ) {
$chain = '';
- $parent = &get_category( $id );
+ $parent = get_category( $id );
if ( is_wp_error( $parent ) )
return $parent;
*/
function get_the_category( $id = false ) {
$categories = get_the_terms( $id, 'category' );
- if ( ! $categories )
+ if ( ! $categories || is_wp_error( $categories ) )
$categories = array();
$categories = array_values( $categories );
* @since 0.71
*
* @param int $cat_ID Category ID.
- * @return string Category name.
+ * @return string|WP_Error Category name on success, WP_Error on failure.
*/
function get_the_category_by_ID( $cat_ID ) {
$cat_ID = (int) $cat_ID;
- $category = &get_category( $cat_ID );
+ $category = get_category( $cat_ID );
if ( is_wp_error( $category ) )
return $category;
return $category->name;
$tag_link = '#' != $tag->link ? esc_url( $tag->link ) : '#';
$tag_id = isset($tags[ $key ]->id) ? $tags[ $key ]->id : $key;
$tag_name = $tags[ $key ]->name;
- $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( call_user_func( $topic_count_text_callback, $real_count ) ) . "' style='font-size: " .
+ $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( call_user_func( $topic_count_text_callback, $real_count, $tag, $args ) ) . "' style='font-size: " .
str_replace( ',', '.', ( $smallest + ( ( $count - $min_count ) * $font_step ) ) )
. "$unit;'>$tag_name</a>";
}
* @param int $depth Depth of category. Used for padding.
* @param array $args Uses 'selected' and 'show_count' keys, if they exist.
*/
- function start_el( &$output, $category, $depth, $args, $id = 0 ) {
+ function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
$pad = str_repeat(' ', $depth * 3);
$cat_name = apply_filters('list_cats', $category->name, $category);
* @uses apply_filters() Calls 'get_the_tags' filter on the list of post tags.
*
* @param int $id Post ID.
- * @return array
+ * @return array|bool Array of tag objects on success, false on failure.
*/
function get_the_tags( $id = 0 ) {
return apply_filters( 'get_the_tags', get_the_terms( $id, 'post_tag' ) );
* @param string $sep Optional. Between tags.
* @param string $after Optional. After tags.
* @param int $id Optional. Post ID. Defaults to the current post.
- * @return string
+ * @return string|bool|WP_Error A list of tags on success, false or WP_Error on failure.
*/
function get_the_tag_list( $before = '', $sep = '', $after = '', $id = 0 ) {
return apply_filters( 'the_tags', get_the_term_list( $id, 'post_tag', $before, $sep, $after ), $before, $sep, $after, $id );
* @param string $before Optional. Before list.
* @param string $sep Optional. Separate items using this.
* @param string $after Optional. After list.
- * @return string
*/
function the_tags( $before = null, $sep = ', ', $after = '' ) {
if ( null === $before )
*
* @since 2.5.0
*
- * @param int $id Post ID.
+ * @param int|object $post Post ID or object.
* @param string $taxonomy Taxonomy name.
- * @return array|bool False on failure. Array of term objects on success.
+ * @return array|bool|WP_Error Array of term objects on success, false or WP_Error on failure.
*/
-function get_the_terms( $id, $taxonomy ) {
- global $post;
-
- $id = (int) $id;
-
- if ( !$id ) {
- if ( empty( $post->ID ) )
- return false;
- else
- $id = (int) $post->ID;
- }
+function get_the_terms( $post, $taxonomy ) {
+ if ( ! $post = get_post( $post ) )
+ return false;
- $terms = get_object_term_cache( $id, $taxonomy );
+ $terms = get_object_term_cache( $post->ID, $taxonomy );
if ( false === $terms ) {
- $terms = wp_get_object_terms( $id, $taxonomy );
- wp_cache_add($id, $terms, $taxonomy . '_relationships');
+ $terms = wp_get_object_terms( $post->ID, $taxonomy );
+ wp_cache_add($post->ID, $terms, $taxonomy . '_relationships');
}
- $terms = apply_filters( 'get_the_terms', $terms, $id, $taxonomy );
+ $terms = apply_filters( 'get_the_terms', $terms, $post->ID, $taxonomy );
if ( empty( $terms ) )
return false;
* @param string $before Optional. Before list.
* @param string $sep Optional. Separate items using this.
* @param string $after Optional. After list.
- * @return string
+ * @return string|bool|WP_Error A list of terms on success, false or WP_Error on failure.
*/
function get_the_term_list( $id, $taxonomy, $before = '', $sep = '', $after = '' ) {
$terms = get_the_terms( $id, $taxonomy );