PHP CheckUserID函数代码示例

         ShowMsg('验证码错误！', '-1');
         exit;
     }
 }
 $faqkey = isset($faqkey) && is_numeric($faqkey) ? $faqkey : 0;
 if ($safe_faq_msg == 1) {
     if ($safefaqs[$faqkey]['answer'] != $safeanswer || $safeanswer == '') {
         ShowMsg('验证问题答案错误', '-1');
         exit;
     }
 }
 if ($subject == '') {
     ShowMsg("请填写信息标题!", "-1");
     exit;
 }
 $msg = CheckUserID($msgtoid, "用户名", false);
 if ($msg != 'ok') {
     ShowMsg($msg, "-1");
     exit;
 }
 $row = $dsql->GetOne("SELECT * FROM `#@__member` WHERE userid LIKE '{$msgtoid}' ");
 if (!is_array($row)) {
     ShowMsg("你指定的用户不存在,不能发送信息!", "-1");
     exit;
 }
 $subject = cn_substrR(HtmlReplace($subject, 1), 60);
 $message = cn_substrR(HtmlReplace($message, 0), 1024);
 $sendtime = $writetime = time();
 //发给收件人(收件人可管理)
 $inquery1 = "INSERT INTO `#@__member_pms` (`floginid`,`fromid`,`toid`,`tologinid`,`folder`,`subject`,`sendtime`,`writetime`,`hasview`,`isadmin`,`message`)\r\n      VALUES ('{$cfg_ml->M_LoginID}','{$cfg_ml->M_ID}','{$row['mid']}','{$row['userid']}','inbox','{$subject}','{$sendtime}','{$writetime}','0','0','{$message}'); ";
 //保留到自己的发件箱(自己可管理)

     $vdcode = '';
 }
 $svali = GetCkVdValue();
 if (strtolower($vdcode) != $svali || $svali == '') {
     ResetVdValue();
     ShowMsg("对不起，验证码输入错误！", "-1");
     exit;
 }
 //验证邮箱，用户名
 if (empty($mail) && empty($userid)) {
     showmsg('对不起，请输入用户名或邮箱', '-1');
     exit;
 } elseif (!ereg("(.*)@(.*)\\.(.*)", $mail)) {
     showmsg('对不起，请输入正确的邮箱格式', '-1');
     exit;
 } elseif (CheckUserID($userid, '', false) != 'ok') {
     ShowMsg("你输入的用户名 {$userid} 不合法！", "-1");
     exit;
 }
 $member = member($mail, $userid);
 //以邮件方式取回密码；
 if ($type == 1) {
     //判断系统邮件服务是否开启
     if ($cfg_sendmail_bysmtp == "Y") {
         sn($member['mid'], $userid, $member['email']);
     } else {
         showmsg('对不起邮件服务暂未开启，请联系管理员', 'login.php');
         exit;
     }
     //以安全问题取回密码；
 } elseif ($type == 2) {

         ResetVdValue();
         ShowMsg('验证码错误！', '-1');
         exit;
     }
 }
 $faqkey = isset($faqkey) && is_numeric($faqkey) ? $faqkey : 0;
 if ($safe_faq_reg == '1') {
     if ($safefaqs[$faqkey]['answer'] != $rsafeanswer || $rsafeanswer == '') {
         ShowMsg('验证问题答案错误', '-1');
         exit;
     }
 }
 $userid = trim($userid);
 $pwd = trim($userpwd);
 $pwdc = trim($userpwdok);
 $rs = CheckUserID($userid, '用户名');
 if ($rs != 'ok') {
     ShowMsg($rs, '-1');
     exit;
 }
 if (strlen($userid) > 20 || strlen($uname) > 36) {
     ShowMsg('你的用户名或用户笔名过长，不允许注册！', '-1');
     exit;
 }
 if (strlen($userid) < $cfg_mb_idmin || strlen($pwd) < $cfg_mb_pwdmin) {
     ShowMsg("你的用户名或密码过短，不允许注册！", "-1");
     exit;
 }
 if ($pwdc != $pwd) {
     ShowMsg('你两次输入的密码不一致！', '-1');
     exit;

             $addupquery .= ",email='{$email}'";
         }
     }
     //修改安全问题
     if ($newsafequestion != 0 && $newsafeanswer != '') {
         if (strlen($newsafeanswer) > 30) {
             ShowMsg('你的新安全问题的答案太长了，请保持在30字节以内！', '-1');
             exit;
         } else {
             $addupquery .= ",safequestion='{$newsafequestion}',safeanswer='{$newsafeanswer}'";
         }
     }
 }
 //修改uname
 if ($uname != $row['uname']) {
     $rs = CheckUserID($uname, '昵称或公司名称', false);
     if ($rs != 'ok') {
         ShowMsg($rs, '-1');
         exit;
     }
     $addupquery .= ",uname='{$uname}'";
 }
 //性别
 if (!in_array($sex, array('男', '女', '保密'))) {
     ShowMsg('请选择正常的性别！', '-1');
     exit;
 }
 $query1 = "Update `#@__member` set pwd='{$pwd}',sex='{$sex}'{$addupquery} where mid='" . $cfg_ml->M_ID . "' ";
 $dsql->ExecuteNoneQuery($query1);
 //如果是管理员，修改其后台密码
 if ($cfg_ml->fields['matt'] == 10 && $pwd2 != "") {

 /**
  *  检查用户是否合法
  *
  * @access    public
  * @param     string  $loginuser  登录用户名
  * @param     string  $loginpwd  用户密码
  * @return    string
  */
 function CheckUser(&$loginuser, $loginpwd)
 {
     global $dsql;
     //检测用户名的合法性
     $rs = CheckUserID($loginuser, '用户名', FALSE);
     //用户名不正确时返回验证错误，原登录名通过引用返回错误提示信息
     if ($rs != 'ok') {
         $loginuser = $rs;
         return '0';
     }
     //matt=10 是管理员关连的前台帐号，为了安全起见，这个帐号只能从后台登录，不能直接从前台登录
     $row = $dsql->GetOne("SELECT mid,matt,pwd,logintime FROM `#@__member` WHERE userid LIKE '{$loginuser}' ");
     if (is_array($row)) {
         if ($this->GetShortPwd($row['pwd']) != $this->GetEncodePwd($loginpwd)) {
             return -1;
         } else {
             //管理员帐号不允许从前台登录
             if ($row['matt'] == 10) {
                 return -2;
             } else {
                 $this->PutLoginInfo($row['mid'], $row['logintime']);
                 return 1;
             }
         }
     } else {
         return 0;
     }
 }

             }*/
     //修改安全问题
     if ($newsafequestion != 0 && $newsafeanswer != '') {
         if (strlen($newsafeanswer) > 30) {
             ShowMsg('你的新安全问题的答案太长了，请保持在30字节以内！', '-1');
             exit;
         } else {
             $newsafequestion = HtmlReplace($newsafequestion, 1);
             $newsafeanswer = HtmlReplace($newsafeanswer, 1);
             $addupquery .= ",safequestion='{$newsafequestion}',safeanswer='{$newsafeanswer}'";
         }
     }
 }
 //修改uname
 if ($uname != $row['uname']) {
     $rs = CheckUserID($uname, '昵称或公司名称', FALSE);
     if ($rs != 'ok') {
         ShowMsg($rs, '-1');
         exit;
     }
     $addupquery .= ",uname='{$uname}'";
 }
 //性别
 if (!in_array($sex, array('男', '女', '保密'))) {
     ShowMsg('请选择正常的性别！', '-1');
     exit;
 }
 $query1 = "UPDATE `#@__member` SET pwd='{$pwd}',sex='{$sex}'{$addupquery} where mid='" . $cfg_ml->M_ID . "' ";
 $dsql->ExecuteNoneQuery($query1);
 //如果是管理员，修改其后台密码
 if ($cfg_ml->fields['matt'] == 10 && $pwd2 != "") {