[WordPress]禁止一个帐号多人同时登录禁止账号同时登陆

对于开放注册的 WordPress 站点来说，尤其是有会员购买服务的站点，可能需要禁止用户共享账号，也就是要禁止多个人同时登录一个账号。今天分享收藏一个老外的方法，大家不妨试试。

[WordPress]禁止一个帐号多人同时登录禁止账号同时登陆

/* 禁止账号同时登陆 */

function pcl_user_has_concurrent_sessions() {

return ( is_user_logged_in() && count( wp_get_all_sessions() ) > 1 );

}

/**

* Get the user's current session array

*

* @return array

*/

function pcl_get_current_session() {

$sessions = WP_Session_Tokens::get_instance( get_current_user_id() );

return $sessions->get( wp_get_session_token() );

}

/**

* Only allow one session per user

*

* If the current user's session has been taken over by a newer

* session then we will destroy their session automattically and

* they will have to login again to continue.

*

* @action init

*

* @return void

*/

function pcl_disallow_account_sharing() {

if ( ! pcl_user_has_concurrent_sessions() ) {

return;

}

$newest = max( wp_list_pluck( wp_get_all_sessions(), 'login' ) );

$session = pcl_get_current_session();

if ( $session['login'] === $newest ) {

wp_destroy_other_sessions();

} else {

wp_destroy_current_session();

}

}

add_action( 'init', 'pcl_disallow_account_sharing' );