bp_activity_delete_children (intactivity_id美元，intcomment_id美元）

function bp_activity_delete_children($activity_id， $comment_id){//检查注释是否仍然存在。$comment = new BP_Activity_Activity($comment_id);If (empty($comment->id)) {return;} //获取要删除的activity子元素$children = BP_Activity_Activity::get_child_comments($comment_id);//递归删除注释的所有子元素。如果(!$ activity_delete_children($activity_id， $child->id);}} //删除注释本身。Bp_activity_delete (array('secondary_item_id' => $comment_id， 'type' => 'activity_comment'， 'item_id' => $activity_id)); }