* @package WordPress
*/
-/**
- * Retrieves all category IDs.
- *
- * @since 2.0.0
- * @link http://codex.wordpress.org/Function_Reference/get_all_category_ids
- *
- * @return object List of all of the category IDs.
- */
-function get_all_category_ids() {
- if ( ! $cat_ids = wp_cache_get( 'all_category_ids', 'category' ) ) {
- $cat_ids = get_terms( 'category', array('fields' => 'ids', 'get' => 'all') );
- wp_cache_add( 'all_category_ids', $cat_ids, 'category' );
- }
-
- return $cat_ids;
-}
-
/**
* Retrieve list of category objects.
*
$defaults = array( 'taxonomy' => 'category' );
$args = wp_parse_args( $args, $defaults );
- $taxonomy = apply_filters( 'get_categories_taxonomy', $args['taxonomy'], $args );
+ $taxonomy = $args['taxonomy'];
+ /**
+ * Filter the taxonomy used to retrieve terms when calling get_categories().
+ *
+ * @since 2.7.0
+ *
+ * @param string $taxonomy Taxonomy to retrieve terms from.
+ * @param array $args An array of arguments. @see get_terms()
+ */
+ $taxonomy = apply_filters( 'get_categories_taxonomy', $taxonomy, $args );
// Back compat
if ( isset($args['type']) && 'link' == $args['type'] ) {
* @param int|object $category Category ID or Category row object
* @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N
* @param string $filter Optional. Default is raw or no WordPress defined filter will applied.
- * @return mixed Category data in type defined by $output parameter.
+ * @return object|array|WP_Error|null Category data in type defined by $output parameter. WP_Error if $category is empty, null if it does not exist.
*/
function get_category( $category, $output = OBJECT, $filter = 'raw' ) {
$category = get_term( $category, 'category', $output, $filter );
+
if ( is_wp_error( $category ) )
return $category;
$path = '/' . $curcategory->slug . $path;
}
- if ( $path == $full_path )
- return get_category( $category->term_id, $output );
+ if ( $path == $full_path ) {
+ $category = get_term( $category->term_id, 'category', $output );
+ _make_cat_compat( $category );
+ return $category;
+ }
}
// If full matching is not required, return the first cat that matches the leaf.
- if ( ! $full_match )
- return get_category( $categories[0]->term_id, $output );
+ if ( ! $full_match ) {
+ $category = get_term( reset( $categories )->term_id, 'category', $output );
+ _make_cat_compat( $category );
+ return $category;
+ }
return null;
}
*/
function get_cat_name( $cat_id ) {
$cat_id = (int) $cat_id;
- $category = get_category( $cat_id );
+ $category = get_term( $cat_id, 'category' );
if ( ! $category || is_wp_error( $category ) )
return '';
return $category->name;
return $return;
}
+ /**
+ * Filter the array of term objects returned for the 'post_tag' taxonomy.
+ *
+ * @since 2.3.0
+ *
+ * @param array $tags Array of 'post_tag' term objects.
+ * @param array $args An array of arguments. @see get_terms()
+ */
$tags = apply_filters( 'get_tags', $tags, $args );
return $tags;
}
* @param int|object $tag
* @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N
* @param string $filter Optional. Default is raw or no WordPress defined filter will applied.
- * @return object|array Return type based on $output value.
+ * @return object|array|WP_Error|null Tag data in type defined by $output parameter. WP_Error if $tag is empty, null if it does not exist.
*/
function get_tag( $tag, $output = OBJECT, $filter = 'raw' ) {
return get_term( $tag, 'post_tag', $output, $filter );