WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 3 times in this file.
Line | Code |
---|---|
661 | $key = md5( serialize( compact(array_keys($defaults)) ) . serialize( $taxonomies ) . $filter_key ); |
662 | $last_changed = wp_cache_get('last_changed', 'terms'); |
663 | if ( !$last_changed ) { |
664 | $last_changed = time(); |
665 | wp_cache_set('last_changed', $last_changed, 'terms'); |
666 | } |
667 | $cache_key = "get_terms:$key:$last_changed"; |
668 | $cache = wp_cache_get( $cache_key, 'terms' ); |
669 | if ( false !== $cache ) { |
670 | $cache = apply_filters('get_terms', $cache, $taxonomies, $args); |
671 | return $cache; |
672 | } |
673 |
|
674 | $_orderby = strtolower($orderby); |
675 | if ( 'count' == $_orderby ) |
676 | $orderby = 'tt.count'; |
677 | else if ( 'name' == $_orderby ) |
678 | $orderby = 't.name'; |
679 | else if ( 'slug' == $_orderby ) |
Line | Code |
780 | $query = "SELECT $select_this FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy IN ($in_taxonomies) $where ORDER BY $orderby $order $limit"; |
781 |
|
782 | $terms = $wpdb->get_results($query); |
783 | if ( 'all' == $fields ) { |
784 | update_term_cache($terms); |
785 | } |
786 |
|
787 | if ( empty($terms) ) { |
788 | wp_cache_add( $cache_key, array(), 'terms' ); |
789 | $terms = apply_filters('get_terms', array(), $taxonomies, $args); |
790 | return $terms; |
791 | } |
792 |
|
793 | if ( $child_of ) { |
794 | $children = _get_term_hierarchy($taxonomies[0]); |
795 | if ( ! empty($children) ) |
796 | $terms = & _get_term_children($child_of, $terms, $taxonomies[0]); |
797 | } |
798 |
|
Line | Code |
828 | $terms = $_terms; |
829 | } |
830 |
|
831 | if ( 0 < $number && intval(@count($terms)) > $number ) { |
832 | $terms = array_slice($terms, $offset, $number); |
833 | } |
834 |
|
835 | wp_cache_add( $cache_key, $terms, 'terms' ); |
836 |
|
837 | $terms = apply_filters('get_terms', $terms, $taxonomies, $args); |
838 | return $terms; |
839 | } |
840 |
|
841 | /** |
842 | * Check if Term exists. |
843 | * |
844 | * Returns the index of a defined term, or 0 (false) if the term doesn't exist. |
845 | * |
846 | * @package WordPress |