clean_term_cache

Source code

function clean_term_cache($ids, $taxonomy = '', $clean_taxonomy = true) {

	global $wpdb;

	static $cleaned = array();



	if ( !is_array($ids) )

		$ids = array($ids);



	$taxonomies = array();

	// If no taxonomy, assume tt_ids.

	if ( empty($taxonomy) ) {

		$tt_ids = array_map('intval', $ids);

		$tt_ids = implode(', ', $tt_ids);

		$terms = $wpdb->get_results("SELECT term_id, taxonomy FROM $wpdb->term_taxonomy WHERE term_taxonomy_id IN ($tt_ids)");

		$ids = array();

		foreach ( (array) $terms as $term ) {

			$taxonomies[] = $term->taxonomy;

			$ids[] = $term->term_id;

			wp_cache_delete($term->term_id, $term->taxonomy);

		}

		$taxonomies = array_unique($taxonomies);

	} else {

		$taxonomies = array($taxonomy);

		foreach ( $taxonomies as $taxonomy ) {

			foreach ( $ids as $id ) {

				wp_cache_delete($id, $taxonomy);

			}

		}

	}



	foreach ( $taxonomies as $taxonomy ) {

		if ( isset($cleaned[$taxonomy]) )

			continue;

		$cleaned[$taxonomy] = true;



		if ( $clean_taxonomy ) {

			wp_cache_delete('all_ids', $taxonomy);

			wp_cache_delete('get', $taxonomy);

			delete_option("{$taxonomy}_children");

			// Regenerate {$taxonomy}_children

			_get_term_hierarchy($taxonomy);

		}



		do_action('clean_term_cache', $ids, $taxonomy);

	}