WordPress 显示随机用户

/**

    *WordPress 显示随机用户

    *https://www.weixiaoduo.com/random-users/

*/

functionBing_random_users(){

    global$wpdb;

    $randomusers='<ul >';

    $usernames=$wpdb->get_results("SELECT user_nicename, user_url, user_email FROM $wpdb->users ORDER BY RAND() LIMIT 5");

    foreach($usernamesas$username){

        if(!$username->user_url)$randomusers.='<li>'.get_avatar($username->user_email,45).$username->user_nicename.'</li>';

        else$randomusers.='<li>'.get_avatar($username->user_email,45).'<a href="'.$username->user_url.'">'.$username->user_nicename.'</a></li>';

    }

    $randomusers.='</ul>';

    return$randomusers;

}

add_shortcode('randomusers','Bing_random_users');