PHP Implementation Login Background limit to only allow one machine online _php tutorial

# # Ob_start ();
# session_start ();
# class cc{
# Private $REFURL = "http://www.BkJia.com"; Conversion page after successful login
# private $LoginFLAG =false; Login Success Sign
# Private $loginFILE = "Loginmsg.txt"; Information file
# function Setflag ($flag) {
# $this->loginflag= $flag;
# 　　}
# function Check () {
# global $_post;
# if (file_exists ($this->loginfile) && (Time ()-filemtime ($this->loginfile) <60) {//user login exists and is valid
# $info =file ($this->loginfile);
# $username =trim ($info [0]); Logged in User name online
# $password =trim ($info [1]); Online password (can not be saved)
# $ip =trim ($info [2]); IP is online
# $sid =trim ($info [3]); is online port
# if (strcmp ($_session[loginuser], $username) ==0) {
# if (strcmp ($_SESSION[LOGINPW], $password) ==0) {
# if (strcmp ($_server[remote_addr], $ip) ==0) {
# if (strcmp (session_id (), $sid) ==0) {
# $this->setflag (TRUE);
# echo "

Your account can be determined to be unique!

";
# $CF =fopen ($this->loginfile, "A +");
# fputs ($CF, "a");
# fclose ($CF);
# echo " ";
#//echo "";
#}else{
# echo "does not allow an account to log in at the same time on the local network." $_server[remote_port];
# $this->loginflag=false;
# 　　　　　　　　　　　　}
#}else{
# echo "does not allow simultaneous login with account.
";
# $this->loginflag=false;
# 　　　　　　　　　　}
#}else{
# echo "Password error:
";
# $this->loginflag=false;
# 　　　　　　　　}
#}else{
#//Verify identity here if it is correct
# echo "An error occurred during login! User name Error

";
# 　　　　　　}
#}else{
# if (Isset ($_post[loginuser])) {
# $_session[loginuser]=$_post[loginuser];
# $_SESSION[LOGINPW]=$_POST[LOGINPW];
# $fp =fopen ($this->loginfile, "w");
# $msg =$_post[loginuser]. "". $_POST[LOGINPW]. "". $_SERVER[REMOTE_ADDR]. "". session_id ();
# fputs ($fp, $msg);
# fclose ($FP);
#}else{
# $outtime =time ()-filemtime ($this->loginfile)-60;
# echo "Login does not exist or you have timed out (". $outtime. ") seconds) ... ";
# 　　　　　　}
# 　　　　}
# 　　}
# function Wfrom () {
# global $_post;
# if (!file_exists ($this->loginfile) | | (Time ()-filemtime ($this->loginfile)) >60) {//Login failed
# echo <<
 
  <>
  

 #
# loginform;
#}else{
# echo "already has a user login";
# 　　}
# 　　}
# }
# $D =new CC;
# $D->check ();
# $D->wfrom ();
#?>
http://www.bkjia.com/PHPjc/486513.html www.bkjia.com true http://www.bkjia.com/PHPjc/486513.html techarticle # php # Ob_start (); # session_start (); # class cc{# private $REFURL =http://www.2cto.com;//Login successful after conversion page # private $Logi Nflag=false; Login Success Sign # private ...
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