update_post_author_caches() │ WP 6.1.0

Updates post author user caches for a list of post objects.

No Hooks.

Returns

null. Nothing (null).

Usage

update_post_author_caches( $posts );

$posts(WP_Post[]) (required)

Array of post objects.

Changelog

update_post_author_caches() update post author caches code ^{WP 6.9.1}

function update_post_author_caches( $posts ) {
	/*
	 * cache_users() is a pluggable function so is not available prior
	 * to the `plugins_loaded` hook firing. This is to ensure against
	 * fatal errors when the function is not available.
	 */
	if ( ! function_exists( 'cache_users' ) ) {
		return;
	}

	$author_ids = wp_list_pluck( $posts, 'post_author' );
	$author_ids = array_map( 'absint', $author_ids );
	$author_ids = array_unique( array_filter( $author_ids ) );

	cache_users( $author_ids );
}