Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness. Use update_post_caches() instead.

_prime_post_caches( array $ids, bool $update_term_cache = true, bool $update_meta_cache = true )

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

Description Description

See also See also

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Parameters Parameters


(array) (Required) ID list.


(bool) (Optional) Whether to update the term cache.

Default value: true


(bool) (Optional) Whether to update the meta cache.

Default value: true

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Source Source

File: wp-includes/post.php

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)", join( ',', $non_cached_ids ) ) );

		update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache );

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Changelog Changelog

Version Description
3.4.0 Introduced.

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