wordpress函数cache_users()用法示例

cache_users( array $user_ids )

Retrieve info for user lists to prevent multiple queries by get_userdata()

描述

参数

$user_ids

(array)
(Required)
User ID numbers list

源代码

File: wp-includes/pluggable.php

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 );
}

更新日志

相关函数

Uses

• wp-includes/functions.php:
  _get_non_cached_ids()
• wp-includes/user.php:
  update_user_caches()
• wp-includes/wp-db.php:
  wpdb::get_results()
• wp-includes/meta.php:
  update_meta_cache()

Used By

• wp-admin/includes/revision.php:
  wp_prepare_revisions_for_js()
• wp-includes/class-wp-user-query.php:
  WP_User_Query::query()

User Contributed Notes