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_prime_post_caches › WordPress Function

Since3.4.0
Deprecatedn/a
› _prime_post_caches ( $ids, $update_term_cache = true, $update_meta_cache = true )
Parameters: (3)
  • (int[]) $ids ID list.
    Required: Yes
  • (bool) $update_term_cache Optional. Whether to update the term cache. Default true.
    Required: No
    Default: true
  • (bool) $update_meta_cache Optional. Whether to update the meta cache. Default true.
    Required: No
    Default: true
See:
Defined at:
Codex:
Change Log:
  • 6.1.0

Adds any posts from the given IDs to the cache that do not already exist in cache.



Related Functions: _prime_site_caches, _prime_term_caches, _prime_comment_caches, wp_prime_option_caches, update_post_caches

Source 

function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) {
	global $wpdb;

	$non_cached_ids = _get_non_cached_ids( $ids, 'posts' );
	if ( ! empty( $non_cached_ids ) ) {
		$fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) );

		if ( $fresh_posts ) {
			// Despite the name, update_post_cache() expects an array rather than a single post.
			update_post_cache( $fresh_posts );
		}
	}

	if ( $update_meta_cache ) {
		update_postmeta_cache( $ids );
	}

	if ( $update_term_cache ) {
		$post_types = array_map( 'get_post_type', $ids );
		$post_types = array_unique( $post_types );
		update_object_term_cache( $ids, $post_types );
	}
}