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WordPress纯代码实现用户显示随机头像

WordPress自带的Gravatar头像加载很慢,这是一个很小白的问题了,不过很多相关的WordPress插件能够结局,虽然使用SSL线路可以加快Gravatar头像访问,但是如果不结合本地缓存,依旧会觉得加载缓慢。

而大多数博主都没有申请Gravatar头像,所以默认的情况下会小时WordPres自带的头像,那头像个人觉得不太美观。

今天本站就分享WordPress纯代码实现用户显示随机头像,让你的WordPress能够自定义用户默认头像。

功能代码

add_filter( 'get_avatar' , 'local_random_avatar' , 1 , 5 );
function local_random_avatar( $avatar, $id_or_email, $size, $default, $alt) {
    if ( ! empty( $id_or_email->user_id ) ) {
        $avatar = ''.get_template_directory_uri().'/avatar/admin.jpg';
    }else{
        $random = mt_rand(1, 10);
        $avatar = ''.get_template_directory_uri().'/avatar/'. $random .'.jpg';
    }
    $avatar = "";
    return $avatar;
}

使用方法

将以上代码加入到你主题的function.php文件保存即可。

代码解释

其中mt_rand(1, 10);数字为随机图片张数可以自行修改。

图片设置

在当前主题目录中新建一个名称为avatar的文件夹,里面放10张名称连续的jpg图片,比如1.jpg、2.jpg、3.jpg………,和一张用于管理员的图片,名称为admin.jpg

添加上面代码后,只有管理员是显示特定的图片,其他留言者都是随机显示预先准备的头像图片,包括注册用户。

文章来源于互联网:WordPress纯代码实现用户显示随机头像

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