小白のBlog

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// 通过评论者的QQ邮箱显示对应头像
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function get_qq_avatar($avatar, $id_or_email, $size, $default, $alt) {
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    $email = is_object($id_or_email) ? $id_or_email->comment_author_email : $id_or_email;
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    // 提取QQ邮箱中的QQ号
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    if (preg_match('/(\d+)@qq\.com/', $email, $matches)) {
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        $qq_number = $matches[1];
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        // 构建QQ头像URL
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        $avatar_url = "https://q2.qlogo.cn/headimg_dl?bs=qq&dst_uin={$qq_number}&spec=100";
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        $avatar = "<img alt='{$alt}' src='{$avatar_url}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />";
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    }
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    return $avatar;
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}
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add_filter('get_avatar', 'get_qq_avatar', 10, 5);