wordpress获取文章评论数及人数

/*** 获取文章的评论人数 *$postid:文章id*$which:返回类型（0或1）为0时返回评论人数，为1时返回评论条数*/function count_comments($postid=0,$which=0) {$comments = get_comments('status=approve&type=comment&post_id='.$postid); //获取文章的所有评论if ($comments) {$i=0; $j=0; $commentusers=array();foreach ($comments as $comment) {++$i;if ($i==1) { $commentusers[] = $comment->comment_author_email; ++$j; }if ( !in_array($comment->comment_author_email, $commentusers) ) {$commentusers[] = $comment->comment_author_email;++$j;}}$output = array($j,$i);$which = ($which == 0) ? 0 : 1;return $output[$which]; //返回评论人数}return 0; //没有评论返回0}