wordpress限制重复评论和间隔时间代码

/*WordPress纯代码限制重复评论的间隔时间开始*/
add_filter('comment_flood_filter', 'suren_comment_flood_filter', 10, 3);
function suren_comment_flood_filter($flood_control, $time_last, $time_new)
{
$seconds = 60;//间隔时间
if(($time_new - $time_last) < $seconds)
{
$time=$seconds-($time_new - $time_last);
wp_die ('评论过快！请'. $time.'秒后再次评论');
}
else
{
return false;
}
}
/*WordPress纯代码限制重复评论的间隔时间结束*/