update_postmeta_cache() WordPress Function
update_postmeta_cache() is a function in WordPress that updates the postmeta cache for a given post ID. It is useful for when you need to retrieve postmeta values for a large number of posts, as it can be more efficient to first update the cache before retrieving the values.
update_postmeta_cache( int[] $post_ids ) #
Updates metadata cache for 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_ids
(int[])(Required)Array of post IDs.
Return
(array|false) An array of metadata on success, false if there is nothing to update.
Source
File: wp-includes/post.php
function update_postmeta_cache( $post_ids ) { return update_meta_cache( 'post', $post_ids ); }
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Changelog
Version | Description |
---|---|
2.1.0 | Introduced. |