/* 评论作者和谐，使昵称部分隐藏，例如：ad**n 。*/
function cut_str($string, $sublen, $start = 0, $code="UTF-8")
{
if($code == 'UTF-8')
{
$pa = "/[x01-x7f]|[xc2-xdf][x80-xbf]|xe0[xa0-xbf][x80-xbf]|[xe1-xef][x80-xbf][x80-xbf]|xf0[x90-xbf][x80-xbf][x80-xbf]|[xf1-xf7][x80-xbf][x80-xbf][x80-xbf]/";
preg_match_all($pa, $string, $t_string);
if(count($t_string[0]) - $start > $sublen) return join('', array_slice($t_string[0], $start, $sublen));
return join('', array_slice($t_string[0], $start, $sublen));
}
else
{
$start = $start*2;
$sublen = $sublen*2;
$strlen = strlen($string);
$tmpstr="";
for($i=0; $i< $strlen; $i++)
{
if($i>=$start && $i< ($start+$sublen))
{
if(ord(substr($string, $i, 1))>129)
{
$tmpstr.= substr($string, $i, 2);
}
else
{
$tmpstr.= substr($string, $i, 1);
}
}
if(ord(substr($string, $i, 1))>129) $i++;
}
//if(strlen($tmpstr)< $strlen ) $tmpstr.= "...";
return $tmpstr;
}
}
//替换评论作者
function my_get_comment_author_link() {
$url = get_comment_author_url( $comment_ID );
$author = cut_str(get_comment_author( $comment_ID ), 2, 0).'***'.cut_str(get_comment_author( $comment_ID ), 1, -1);
if ( empty( $url ) || 'http://' == $url )
return $author;
else
return "<a target="_blank" href="https://www.mobantu.com/$url" rel="external nofollow" class="url">$author</a>";
}
add_filter('get_comment_author_link', 'my_get_comment_author_link');