WordPress 评论区添加图片代码并自动显示

//评论加图片
add_action('comment_text', 'comments_embed_img', 2);
function comments_embed_img($comment) {
    $size = auto;
    $comment = preg_replace(array('/\[img\]((http|https):\/\/\S*)\[\/img\]/'),'<img src="$1" alt="评论" style="width:'.$size.'; height:'.$size.'" />', $comment);
    return $comment;
}

[img]在这里填写图片链接[/img]