update_postmeta_cache() – Function | Developer.WordPress.org

update_postmeta_cache( int[] $post_ids ): array|false

Updates metadata cache for a list of post IDs.

Description

Performs SQL query to retrieve the metadata for the post IDs and updates the metadata cache for the posts. Therefore, the functions, which call this function, do not need to perform SQL queries on their own.

Parameters

$post_idsint[]required: Array of post IDs.

Return

array|false An array of metadata on success, false if there is nothing to update.

Source

function update_postmeta_cache( $post_ids ) {
	return update_meta_cache( 'post', $post_ids );
}

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Uses	Description
update_meta_cache()`wp-includes/meta.php`	Updates the metadata cache for the specified objects.

Used by	Description
update_post_caches()`wp-includes/post.php`	Updates post, term, and metadata caches for a list of post objects.
_prime_post_caches()`wp-includes/post.php`	Adds any posts from the given IDs to the cache that do not already exist in cache.

Changelog

Version	Description
2.1.0	Introduced.

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