函数原型
cache_users( int[] $user_ids )
函数描述
Retrieves info for user lists to prevent multiple queries by get_userdata() .
是否弃用
未弃用
函数参数
-
$user_ids
int[]
Required - User ID numbers list
函数返回值
无
函数位置
File: wp-includes/pluggable.php.
函数源码
function cache_users( $user_ids ) {
global $wpdb;
update_meta_cache( 'user', $user_ids );
$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)" );
foreach ( $users as $user ) {
update_user_caches( $user );
}
}
源码链接
变更日志
| Version | Description |
|---|---|
| 3.0.0 | Introduced. |

