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Description
Retrieve info for user lists to prevent multiple queries by get_userdata()
Usage
cache_users( $user_ids );
Parameters
- $user_ids
- ( array ) required – User ID numbers list
Returns
void
Source
File name: wordpress/wp-includes/pluggable.php
Lines: 1 to 19 of 19
function cache_users( $user_ids ) { global $wpdb; $clean = _get_non_cached_ids( $user_ids, 'users' ); if ( empty( $clean ) ) return; $list = implode( ',', $clean ); $users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" ); $ids = array(); foreach ( $users as $user ) { update_user_caches( $user ); $ids[] = $user->ID; } update_meta_cache( 'user', $ids ); }