login error

Beginners - Learning PHP
#1

When i login as localhost this message displayed
Fatal error: Call to undefined function: mysql_real_escape_string() in C:apachehtdocsloginloginck.php on line 45
Why this message displyed find please
loginck.php file code is

<?
include "include/session.php";

$dbservertype='mysql';
$servername='localhost';
// username and password to log onto db server
$dbusername='';
$dbpassword='';
// name of database
$dbname='tutorial';

connecttodb($servername,$dbname,$dbusername,$dbpassword);
function connecttodb($servername,$dbname,$dbuser,$dbpassword)
{
global $link;
$link=mysql_connect ("$servername","$dbuser","$dbpassword");
if(!$link){die("Could not connect to MySQL");}
mysql_select_db("$dbname",$link) or die ("could not open db".mysql_error());
}
//////////////////////////////
?>
<!doctype html public "-//w3c//dtd html 3.2//en">

<html>

<head>
<title>(Type a title for your page here)</title>
<meta name="GENERATOR" content="Arachnophilia 4.0">
<meta name="FORMATTER" content="Arachnophilia 4.0">
</head>

<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#800080" alink="#ff0000">
<?
$userid=mysql_real_escape_string($userid);
$password=mysql_real_escape_string($password);

if($rec=mysql_fetch_array(mysql_query("SELECT * FROM plus_signup WHERE userid='$userid' AND password = '$password'"))){
	if(($rec['userid']==$userid)&&($rec['password']==$password)){
	 include "include/newsession.php";
            echo "<p class=data> <center>Successfully,Logged in<br><br><a href='logout.php'> Log OUT </a><br><br><a href=welcome.php>Click here if your browser is not redirecting automatically or you don't want to wait.</a><br></center>";
     print "<script>";
       print " self.location='welcome.php';"; // Comment this line if you don't want to redirect
          print "</script>";

				} 
		}	
	else {

		session_unset();
echo "<font face='Verdana' size='2' color=red>Wrong Login. Use your correct  Userid and Password and Try <br><center><input type='button' value='Retry' onClick='history.go(-1)'></center>";
		
	}
?>
<center>
<br><br><a href='http://www.plus2net.com'>PHP SQL HTML free tutorials and scripts</a></center> 

</body>

</html>
#2

What PHP version are you running on?

#3

I use PHP Version 4.0.5 please edit that code i want to use this version.

#4

Did you read the PHP manual? The reason for the error is stated quite clearly in it.

#5

For version 4.0.5 find error and replace it (what will be the code for this version). i want to use this version.

#6

Then you can’t use mysql_real_escape_string(), as it was introduced in 4.3.0. Use a similar function that’s available in your PHP version. I’d say mysql_escape_string() should do the job.

#7

You know that I am a very new in php. I collect a login script. That have signup, signupck, login, loginck, welcome include session and new session and logout file. My all file works well. My loginck file shows top of topics. I have index page, index page2. I want anybody can watch these pages by only login those who are registered. I cannot understand what should I have to do. Please solve. My welcome.php file is

<?
// This is downloaded from www.plus2net.com //

include "include/session.php";
?>
<!doctype html public "-//w3c//dtd html 3.2//en">

<html>

<head>
<title>(Type a title for your page here)</title>

<meta name="GENERATOR" content="Arachnophilia 4.0">
<meta name="FORMATTER" content="Arachnophilia 4.0">
</head>

<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#800080" alink="#ff0000">
<?

echo "<center><font face='Verdana' size='2' >Welcome userid=$session[userid]<br><br>You must see your userid here (above) <br><br><br>Click <a href=logout.php>here to logout</a><br></center></font>";

?>
<center>
<br><br><a href='http://www.plus2net.com'>PHP SQL HTML free tutorials and scripts</a></center> 

</body>

</html>
#8

Did you try contacting the person/website you got the script from for support? We don’t offer support on third-party scripts.

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