//獲取用戶網(wǎng)體用戶以下的用戶
public function getBottomUsers($uid,$uids=''){
$userList = M('z_user')->field('uid,pre_uid')->where(array('pre_uid'=>$uid))->select();
foreach ($userList as $key=>$value){
$uids .= $value['uid'].',';
$user = M('z_user')->field('uid,pre_uid')->where(array('pre_uid'=> $value['uid']))->select();
if($user){
$uids = $this->getBottomUsers($value['uid'],$uids);
}
}
return $uids;
}
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