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update_object_term_cache › WordPress Function

Depuis2.3.0
Dépréciéen/a
update_object_term_cache ( $object_ids, $object_type )
Paramètres: (2)
  • (string|int[]) $object_ids Comma-separated list or array of term object IDs.
    Requis: Oui
  • (string|string[]) $object_type The taxonomy object type or array of the same.
    Requis: Oui
Retourne:
  • (void|false) Void on success or if the `$object_ids` parameter is empty, false if all of the terms in `$object_ids` are already cached.
Défini(e) dans:
Codex:

Updates the cache for the given term object ID(s).

Note: Due to performance concerns, great care should be taken to only update term caches when necessary. Processing time can increase exponentially depending on both the number of passed term IDs and the number of taxonomies those terms belong to. Caches will only be updated for terms not already cached.


Source

function update_object_term_cache( $object_ids, $object_type ) {
	if ( empty( $object_ids ) ) {
		return;
	}

	if ( ! is_array( $object_ids ) ) {
		$object_ids = explode( ',', $object_ids );
	}

	$object_ids     = array_map( 'intval', $object_ids );
	$non_cached_ids = array();

	$taxonomies = get_object_taxonomies( $object_type );

	foreach ( $taxonomies as $taxonomy ) {
		$cache_values = wp_cache_get_multiple( (array) $object_ids, "{$taxonomy}_relationships" );

		foreach ( $cache_values as $id => $value ) {
			if ( false === $value ) {
				$non_cached_ids[] = $id;
			}
		}
	}

	if ( empty( $non_cached_ids ) ) {
		return false;
	}

	$non_cached_ids = array_unique( $non_cached_ids );

	$terms = wp_get_object_terms(
		$non_cached_ids,
		$taxonomies,
		array(
			'fields'                 => 'all_with_object_id',
			'orderby'                => 'name',
			'update_term_meta_cache' => false,
		)
	);

	$object_terms = array();
	foreach ( (array) $terms as $term ) {
		$object_terms[ $term->object_id ][ $term->taxonomy ][] = $term->term_id;
	}

	foreach ( $non_cached_ids as $id ) {
		foreach ( $taxonomies as $taxonomy ) {
			if ( ! isset( $object_terms[ $id ][ $taxonomy ] ) ) {
				if ( ! isset( $object_terms[ $id ] ) ) {
					$object_terms[ $id ] = array();
				}
				$object_terms[ $id ][ $taxonomy ] = array();
			}
		}
	}

	$cache_values = array();
	foreach ( $object_terms as $id => $value ) {
		foreach ( $value as $taxonomy => $terms ) {
			$cache_values[ $taxonomy ][ $id ] = $terms;
		}
	}
	foreach ( $cache_values as $taxonomy => $data ) {
		wp_cache_add_multiple( $data, "{$taxonomy}_relationships" );
	}
}