it says.
Notice: Undefined index: logged in C:\wamp\www\WAR\luga\index.php on line 10
Notice: Undefined index: userlogin in C:\wamp\www\WAR\luga\index.php on line 54
Notice: Undefined index: password in C:\wamp\www\WAR\luga\index.php on line 54
wrong pawssword or username, please try againplease enter your login information to proceed with our site
<html>
<head>
<title>login page</title>
</head>
<body bgcolor="white" style="color:black">
<form action="index.php" method=get>
<h1 align="center" style="color:black" >Welcome to this simple application</h1>
<?php
session_start();
if( $_SESSION["logging"]&& $_SESSION["logged"])
{
print_secure_content();
}
else {
if(!$_SESSION["logging"])
{
$_SESSION["logging"]=true;
loginform();
}
else if($_SESSION["logging"])
{
$number_of_rows=checkpass();
if($number_of_rows==1)
{
$_SESSION[user]=$_GET[userlogin];
$_SESSION[logged]=true;
print"<h1>you have loged in successfully</h1>";
print_secure_content();
}
else{
echo "wrong pawssword or username, please try again";
loginform();
}
}
}
function loginform()
{
echo "please enter your login information to proceed with our site";
echo ("<table border='2'><tr><td>username</td><td><input type='text' name='userlogin' size'20'></td></tr><tr><td>password</td><td><input type='password' name='password' size'20'></td></tr></table>");
echo "<input type='submit' >";
echo "<h3><a href='registerform.php'>register now!</a></h3>";
}
function checkpass()
{
$servername="localhost";
$username="root";
$conn= mysql_connect($servername,$username)or die(mysql_error());
mysql_select_db("uploads",$conn);
$sql="select * from users where name='$_GET[userlogin]' and password='$_GET[password]'";
$result=mysql_query($sql,$conn) or die(mysql_error());
return mysql_num_rows($result);
}
function print_secure_content()
{
echo("<b><h1>hi mr.$_SESSION[user]</h1>");
echo "<br><h2>only a logged in user can see this</h2><br><a href='logout.php'>Logout</a><br>";
}
?>
</form>
</body>
</html>
