login problems

gilgalbiblewhee · #1 (**permalink**) 04-03-10, 23:05

I'm having logging problems. It keeps logging out when I click on the url and entering. These are my pages. First it's the index page where the rest are include files found in it:
index.php:

PHP Code:


			
<?php 

//twotexts

ob_start();

session_start();//the only thing related to the login

//...

login page: index.php

PHP Code:


			
<?php

ob_start();

include("dbconnection.php");

?>

<div style="float: left; width: 100%; margin: 0px 0px 0px 0px; background-color: #7C7C7C; border: 1px solid #A5A498; border-width: 1px 1px 0px 1px;">

    <span style="float: left; padding: 2px 10px 0px 12px; color: #FFFFFF; font-family: arial; font-weight:bold; font-size: 13px;">Login</span>

</div>

<div style="float: left; width: 100%; height: 120px; background-color: #B4B3A9; border: 1px solid #A5A498; margin: 0px 0px 0px 0px; overflow-x: hidden; overflow-y: auto;">

<?php

function login(){

?>

    <table border="0">

        <tr>

            <td>Administrator:</td><td><input type="checkbox" id="adminid" name="admin" style="float: left; border: 1px solid #7C7C7C; background-color: #7C7C7C;" value="no" onClick="if(this.value=='no'){this.value='yes'; document.getElementById('register').style.display = 'none';} else{this.value='no';document.getElementById('register').style.display = 'block';};" /></td>

        </tr>

        <tr>

            <td>Username:</td>

            <td><input type="text" name="<?php //vb_login_username?>username" id="username" style="float: left; border: 1px solid #7C7C7C; font: 9px verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 100px; height: 15px;" value="User Name" onBlur="if (this.value == '') this.value = 'User Name';" onFocus="if (this.value == 'User Name') this.value = '';" /></td>

        </tr>

        <tr>

            <td>Password:</td><td><input type="password" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 100px; height: 15px;" <?php //name="pass"?> name="<?php //vb_login_username?>pass" id="pass" /></td></tr>

        <tr>

            <td><a id="register" href="login/register.php" style="float: left; display: block; background-color: #7C7C7C; text-align: left; padding: 0px 0px 0px 5px; width: 80px; height: 20px; text-decoration: none; color: #ffffff; border: 1px solid #7C7C7C; font-weight: bold;" onMouseOver="this.style.backgroundColor='#B4B3A9'" onMouseOut="this.style.backgroundColor='#7C7C7C'">Register</a></td><td align="right"><input type="submit" style="float: left; border: 1px solid #7C7C7C; background-color: #7C7C7C; color: #ffffff; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; font-weight: bold; width: 100px; height: 20px;" name="submit" onMouseOver="this.style.backgroundColor='#B4B3A9'" onMouseOut="this.style.backgroundColor='#7C7C7C'" value="Login" /></td>

        </tr>

    </table>

<?php

}



//Checks if there is a login cookie

if(isset($_COOKIE['ID_my_site'])){ //if there is, it logs you in and directs you to the members page

    $myusername = $_COOKIE['ID_my_site'];

    $pass = $_COOKIE['Key_my_site'];

    $admin = $_COOKIE['Admin_my_site'];

    $user = $_COOKIE['User_my_site'];    

    $sql = "SELECT * FROM ";

    if($admin=="yes"){

        $sql .= $dbTable2;

    }else{

        $sql .= $dbTable;

    }

    $sql .= " WHERE username = '".mysql_real_escape_string($myusername)."'";

    $check = mysql_query($sql)or die(mysql_error());

    while($info = mysql_fetch_array( $check )){

        if ($pass != $info['password']){

        }else{

            //print("Welcome ".$myusername."! <br />Visit your <a href=\"login/member.php\">member's stat</a> <br /><a href=\"login/logout.php\">Logout</a>");

            //header("Location: login/member.php");

            //header("Location: ");

        }

    }

}

//if the login form is submitted

if (isset($_POST['submit'])){ // if form has been submitted

    if(!$_POST['username'] | !$_POST['pass']) {// makes sure they filled it in

        //die('You did not fill in a required field.');

        print('You did not fill in a required field.');

    }// checks it against the database

    if (!get_magic_quotes_gpc()){

        $_POST['email'] = addslashes($_POST['email']);

    }

    $sql = "SELECT * FROM ";

    if($admin=="yes"){

        $sql .= $dbTable2;

    }else{

        $sql .= $dbTable;

    }

    $sql .= " WHERE username = '".$_POST['username']."'";

    $check = mysql_query($sql)or die(mysql_error());

    //Gives error if user dosen't exist

    $check2 = mysql_num_rows($check);

    if ($check2 == 0) {

        //die('That user does not exist in our database. <a href=login/register.php>Click Here to Register</a>');

        print('That user does not exist in our database.');

        login();

    }

    while($info = mysql_fetch_array( $check )){

        $_POST['pass'] = stripslashes($_POST['pass']);

        $info['password'] = stripslashes($info['password']);

        $_POST['pass'] = md5($_POST['pass']);



        //gives error if the password is wrong

        if ($_POST['pass'] != $info['password']){

            //die('Incorrect password, please try again.');

            print('Incorrect password, please try again.');

            login();

        }else{

            // if login is ok then we add a cookie

            $_POST['username'] = stripslashes($_POST['username']);

            $hour = time() + 3600;

            setcookie(ID_my_site, $_POST['username'], $hour);

            setcookie(Key_my_site, $_POST['pass'], $hour);

            if($_POST["admin"]=="yes"){

                setcookie(Admin_my_site, $_POST['admin'], $hour);

                print("<span style=\"float: left; text-align: left; padding: 5px 5px 5px 5px;\">Welcome ".$myusername."! <br />Visit your <a style=\"text-decoration: none;\" onmouseover=\"this.style.textDecoration='underline';\" onmouseout=\"this.style.textDecoration='none';\" href=\"login/member.php\">member's stat</a> <br /><a style=\"text-decoration: none;\" href=\"login/logout.php\" onmouseover=\"this.style.textDecoration='underline';\" onmouseout=\"this.style.textDecoration='none';\" >Logout</a></span>");

            }else{

                setcookie(User_my_site, $_POST['admin'], $hour);

                print("<span style=\"float: left; text-align: left; padding: 5px 5px 5px 5px;\">Welcome <span id=\"myusername\">".$myusername."</span>! <br />Visit your <a style=\"text-decoration: none;\" href=\"login/member.php\" onmouseover=\"this.style.textDecoration='underline';\" onmouseout=\"this.style.textDecoration='none';\" >member's stat</a> <br /><a style=\"text-decoration: none;\" href=\"login/logout.php\" onmouseover=\"this.style.textDecoration='underline';\" onmouseout=\"this.style.textDecoration='none';\" >Logout</a></span>");

            }

            //then redirect them to the members area

            //header("Location: login/member.php");

            //print("Welcome".$username);

            //header("Location: login/member.php");

            //header("Location: ");

            

        }

    }

}else{

    // if they are not logged in

    login();

}

?>

</div>

logout.php

PHP Code:


			
<?php

ob_start();

include("dbconnection.php");

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Logout</title>

</head>



<body>

<?php

$past = time() - 100;

//this makes the time in the past to destroy the cookie

setcookie(ID_my_site, gone, $past);

setcookie(Key_my_site, gone, $past);

setcookie(Admin_my_site, gone, $past);

header("Location: ../index.php");

?> 

</body>

</html>

gilgalbiblewhee · #2 (**permalink**) 04-03-10, 23:06

member.php

PHP Code:


			
<?php
ob_start();
include("dbconnection.php");
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Members Page</title>
</head>

<body bgcolor="#505050" text="#000000" link="#363636" vlink="#363636" alink="#d5ae83">
        <div id="master" style="width: 1240px; height: 780px; margin: 0px auto; overflow: hidden; text-align: center;">
            <div id="logo" style="float: left; margin: 0px; border: none; background-color: #ECECEC; width: 100%; height: 120px; padding: 0px 5px 0px 0px;">
                <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="655" height="120" id="wheelofgod2" align="middle">
                    <param name="allowScriptAccess" value="sameDomain" />
                    <param name="movie" value="flashclips/wheelofgod2.swf" />
                    <param name="quality" value="high" />
                    <param name="bgcolor" value="#ECECEC" />
                    <embed src="../../flashclips/wheelofgod2.swf" quality="high" bgcolor="#ECECEC" width="655" height="120" name="wheelofgod" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />
                </object>
            </div>
            <div id="leftbar" style="float: left; width: 200px; height: 1200px; margin: 5px 0px 0px 0px; background-color: #505050;">
    <?php //$Colors = Array("FF0000", "0000FF", "009900", "FF9900", "660099", "00FFFF");
        include("../../getFiles/links.php"); ?>
            </div>
            <div id="main" style="float: left; margin: 5px 5px 5px 5px; background-color: #D2C5A0; border: 1px solid #B5A26F; width: 810px; height: 640px; padding: 5px 5px 5px 5px; overflow-y: auto;">
<?php
//checks cookies to make sure they are logged in
if(isset($_COOKIE['ID_my_site'])){
    $myusername = $_COOKIE['ID_my_site'];
    $pass = $_COOKIE['Key_my_site'];
    $admin = $_COOKIE['Admin_my_site'];
    $user = $_COOKIE['User_my_site'];
    $sql = "SELECT * FROM ";
    if($admin=="yes"){
        $sql .= $dbTable2;
    }else{
        $sql .= $dbTable;
    }
    $sql .= " WHERE username = '".mysql_real_escape_string($myusername)."'";
    //echo $sql;

    $check = mysql_query($sql)or die(mysql_error());
    while($info = mysql_fetch_array( $check )){//if the cookie has the wrong password, they are taken to the login page
        if ($pass != $info['password']){
            header("Location: ../index.php");
        }else{//otherwise they are shown the admin area
        ?>
        <div style="float: left; width: 100%; margin: 5px 0px 0px 0px; background: #7C7C7C; border: 1px solid #A5A498; border-width: 1px 1px 0px 1px;">
    <span style="float: left; padding: 2px 10px 0px 12px; color: #FFFFFF; font-family: arial; font-weight:bold; font-style: italic; font-size: 13px"><?php echo mysql_real_escape_string(strtoupper($myusername)); ?>'s Member Stat.</span>
</div>
            <?php
            include("memberStat.php");
            echo "<a href=\"logout.php\">Logout</a>";
        }
    }
}else{//if the cookie does not exist, they are taken to the login screen
    header("Location: ../index.php");
}
?>
            </div>
            <div id="rightbar" style="float: left; width: 200px; height: 1200px; margin: 5px 0px 0px 5px; background-color: #505050;">
<?php 
include("index.php");
//include("../../getFiles/whattodo.php");
include("../../getFiles/updates.php");
include("../../getFiles/posts.php");
?>
            </div>
        </div>
    </body>
</html>

gilgalbiblewhee · #3 (**permalink**) 04-03-10, 23:06

register.php

PHP Code:


			
<?php
include("dbconnection.php");
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Register</title>
</head>

<body bgcolor="#505050" text="#000000" link="#363636" vlink="#363636" alink="#d5ae83">
        <div id="master" style="width: 1240px; height: 780px; margin: 0px auto; overflow: hidden; text-align: center;">
            <div id="logo" style="float: left; margin: 0px; border: none; background-color: #ECECEC; width: 100%; height: 120px; padding: 0px 5px 0px 0px;">
                <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="655" height="120" id="wheelofgod2" align="middle">
                    <param name="allowScriptAccess" value="sameDomain" />
                    <param name="movie" value="flashclips/wheelofgod2.swf" />
                    <param name="quality" value="high" />
                    <param name="bgcolor" value="#ECECEC" />
                    <embed src="../../flashclips/wheelofgod2.swf" quality="high" bgcolor="#ECECEC" width="655" height="120" name="wheelofgod" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />
                </object>
            </div>
            <div id="leftbar" style="float: left; width: 200px; height: 1200px; margin: 5px 0px 0px 0px; background-color: #505050;">
    <?php //$Colors = Array("FF0000", "0000FF", "009900", "FF9900", "660099", "00FFFF");
        include("../../getFiles/links.php");
        include("../../getFiles/updates.php");?>
            </div>
            <div id="main" style="float: left; margin: 5px 5px 5px 5px; background-color: #D2C5A0; border: 1px solid #B5A26F; width: 810px; height: 640px; padding: 5px 5px 5px 5px; overflow-y: auto;">
<?php
//This code runs if the form has been submitted
if (isset($_POST['submit'])){//This makes sure they did not leave any fields blank
    if (!$_POST['username'] | !$_POST['pass'] | !$_POST['pass2']){
        //die('You did not complete all of the required fields');
        print('You did not complete all of the required fields');
    }
    // checks if the username is in use
    if (!get_magic_quotes_gpc()){
        $_POST['username'] = addslashes($_POST['username']);
    }
    $usercheck = $_POST['username'];
    $check = mysql_query("SELECT username FROM ".$dbTable." WHERE username = '$usercheck'") or die(mysql_error());
    $check2 = mysql_num_rows($check);

    //if the name exists it gives an error
    if ($check2 != 0) {
        //die('Sorry, the username '.$_POST['username'].' is already in use.');
        print('Sorry, the username '.$_POST['username'].' is already in use.');
    }

    // this makes sure both passwords entered match
    if ($_POST['pass'] != $_POST['pass2']) {
        //die('Your passwords did not match. ');
        print('Your passwords did not match. ');
    }
    
    // here we encrypt the password and add slashes if needed
    $_POST['pass'] = md5($_POST['pass']);
    if (!get_magic_quotes_gpc()) {
        $_POST['pass'] = addslashes($_POST['pass']);
        $_POST['username'] = addslashes($_POST['username']);
    }

// now we insert it into the database
$insert = "INSERT INTO ".$dbTable." (
...// ...
)";
//echo $insert;
//$add_member = mysql_query($insert);
?>
<div style="float: left; width: 100%; margin: 5px 0px 0px 0px; background: #7C7C7C; border: 1px solid #A5A498; border-width: 1px 1px 0px 1px;">
    <span style="float: left; padding: 2px 10px 0px 12px; color: #FFFFFF; font-family: arial; font-weight:bold; font-size: 13px">Registered</span>
</div>

<p>Thank you <?php echo "<span style=\"font-weight: bold; font-style: italic;\">".$_POST['username']."</span>"; ?>, you have registered - you may now <a href="http://www.dbforums.com/index.php">login</a>.</p>
<?php
}else{
?>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST">
    <table border="0">
        <tr><td>*Username:</td><td><input type="text" name="username" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 200px; height: 15px;" maxlength="60" /></td></tr>
        <tr><td>*Password (10 characters):</td><td><input type="password" name="pass" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 200px; height: 15px;" maxlength="10" /></td></tr>
        <tr><td>*Confirm Password (10 characters):</td><td><input type="password" name="pass2" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 200px; height: 15px;" maxlength="10" /></td></tr>
        <tr>
            <td>*First Name:</td>
            <td><input name="fname" size="29" maxlength="30" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 200px; height: 15px;" /></td>
        </tr>
        <tr>
            <td>*Last Name:</td>
            <td><input name="lname" size="29" maxlength="40" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 200px; height: 15px;" /></td>
        </tr>
        <tr>
            <td>*Your e-mail:</td>
            <td><input name="email" size="29" maxlength="40" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 200px; height: 15px;" /></td>
        </tr>
        <tr>
            <td>Your URL:</td>
            <td><input name="url" size="29" maxlength="100" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 200px; height: 15px;" /></td>
        </tr>
        <tr>
            <td>Additional URL:</td>
            <td><input name="addnlurl" size="29" maxlength="100" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 200px; height: 15px;" /></td>
        </tr>
        <tr>
            <td>
                <input type="submit" style="float: left; border: 1px solid #7C7C7C; background-color: #7C7C7C; color: #ffffff; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; font-weight: bold; width: 200px; height: 20px; margin: 5px 5px 5px 5px;"  onMouseOver="this.style.backgroundColor='#B4B3A9'" onMouseOut="this.style.backgroundColor='#7C7C7C'" name="submit" value="Register" />
            </td>
            <td>
                <input type="reset" style="float: left; border: 1px solid #7C7C7C; background-color: #7C7C7C; color: #ffffff; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; font-weight: bold; width: 200px; height: 20px; margin: 5px 5px 5px 5px;"  onMouseOver="this.style.backgroundColor='#B4B3A9'" onMouseOut="this.style.backgroundColor='#7C7C7C'" value="Reset" name="reset" />
            </td>        
        </tr>
    </table>
</form>
<?php
}
?>
            </div>
            <div id="rightbar" style="float: left; width: 200px; height: 1200px; margin: 5px 0px 0px 5px; background-color: #505050;">
<?php 
include("index.php");
//include("../../getFiles/whattodo.php");
include("../../getFiles/posts.php");
?>
            </div>
        </div>
    </div>
</body>
</html>

healdem · #4 (**permalink**) 04-04-10, 03:09

yeah Im going to plow through all of your code to try and frind where the fault with it lies, especially when your description of the problem is so vague

gilgalbiblewhee · #5 (**permalink**) 04-04-10, 04:00

It seems lengthy but not that hard. Whatever's in black is html which isn't our focus. The oranges are commentaries. The green and red parts are our focus.

kitaman · #6 (**permalink**) 04-06-10, 12:39

There is a difference between "include()" and "include_once()"

gilgalbiblewhee · #7 (**permalink**) 04-24-10, 19:56

I used 3 php files: login.php, logout.php and index.php.

I think the checking the $_POST[] should be in the login.php. But then I'm guessing that the index.php page needs to read cookies which the login.php has set right?

PHP Code:


			
<?php
# index.php
session_start();
$logged_in = isset($_SESSION['logged_in']);
include("../dbconnection.php");
//say goodbye to magic_quotes_gpc! no false security.

$errors = array();

if($_SERVER['REQUEST_METHOD'] == "POST"){
    if(empty($_POST['username'])){
        $errors[] = "username was empty";
    }
    if(empty($_POST['password'])){
        $errors[] = "password was empty";
    }
    if(empty($_POST['email'])){
        $errors[] = "e-mail was empty";
    }
    if(count($errors) == 0){
        //fix magic_quotes_gpc() being on
        if(get_magic_quotes_gpc()){
            foreach($_GET as $k => $v){
                $_GET[$k] = stripslashes($v);
            }
            foreach($_POST as $k => $v){
                $_POST[$k] = stripslashes($v);
            }
            foreach($_COOKIE as $k => $v){
                $_COOKIE[$k] = stripslashes($v);
            }
        }
        //Checks if there is a login cookie
        if(isset($_COOKIE['ID_my_site'])){ //if there is, it logs you in and directs you to the members page
        $myusername = $_COOKIE['ID_my_site'];
        $pass = $_COOKIE['Key_my_site'];
        $admin = $_COOKIE['Admin_my_site'];
        $user = $_COOKIE['User_my_site'];    
        $sql = "SELECT * FROM ";
        if($admin=="yes"){
            $sql .= $dbTable2;
        }else{
            $sql .= $dbTable;
        }
        $sql .= " WHERE username = '".mysql_real_escape_string($myusername)."'";
        $check = mysql_query($sql)or die(mysql_error());
        while($info = mysql_fetch_array( $check )){
            if($pass == $info['password']){
                $writeusername = "Welcome ".$myusername."! <br />Visit your <a href=\"member.php\">member's stat</a> <br /><a href=\"login/logout.php\">Logout</a>";
            }
        }
    }
    //variable to keep track of whether to show the user the login form or not
    $showlogin = true; //we show the form by default, -unless- we know they have logged in

    //if the login form is submitted
    if (isset($_POST['submit'])){ // if form has been submitted
        if(!$_POST['username'] || !$_POST['pass']) {// makes sure they filled it in
            $writeemptyfield = "<tr><td colspan=\"2\" style=\"text-align: left; color: red;\">You did not fill in a required field.</td></tr>";
        }// checks it against the database
        $_POST['email'] = mysql_real_escape_string($_POST['email']);
        $db['username'] = mysql_real_escape_string($_POST['username']);
        $sql = "SELECT * FROM ";
        if($admin=="yes"){
            $sql .= $dbTable2;
        }else{
            $sql .= $dbTable;
        }
        $sql .= " WHERE username = '".$db['username']."'";
        $check = mysql_query($sql) or die(mysql_error());
        //Gives error if user dosen't exist
        $check2 = mysql_num_rows($check);
        if ($check2 == 0) {
            $writeusernoexist = "<tr><td colspan=\"2\" style=\"text-align: left; color: red;\">That user does not exist in our database.</td></tr>";
        }
        while($info = mysql_fetch_array( $check )){
            $_POST['pass'] = md5($_POST['pass']);
                //gives error if the password is wrong
                if ($_POST['pass'] != $info['password']){
                    $writewrongpassword = "<tr><td colspan=\"2\" style=\"text-align: left; color: red;\">Incorrect password, please try again.</td></tr>";
                }else{
                    // if login is ok then we add a cookie
                    $hour = time() + 3600;
                    setcookie("ID_my_site", $_POST['username'], $hour);
                    setcookie("Key_my_site", $_POST['pass'], $hour);
                    
                    //they are logged in. no need to show the login form
                    $showlogin = false;
                    if($_POST["admin"]=="yes"){
                        setcookie("Admin_my_site", $_POST['admin'], $hour);
                    }else{
                        setcookie("User_my_site", $_POST['admin'], $hour);
                    }
                    header("Location: login.php");
                }
            }
        }
    }
}

//$_SESSION['logged_in'] = 1;    
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Login</title>
</head>

<body>
<?php if ($logged_in): ?>
<form action="<?php echo "logout.php";//$_SERVER['PHP_SELF'];?>" method="POST">
<span style="float: left; text-align: left; padding: 5px 5px 5px 5px;">
  Welcome <span id="myusername"><?php echo $myusername; ?> </span>!<br />
  Visit your <a style="text-decoration: none;" href="member.php" onmouseover="this.style.textDecoration='underline';" onmouseout="this.style.textDecoration='none';" >member's stat</a><br />
  <input type="submit" style="float: left; border: 1px solid #7C7C7C; background-color: #7C7C7C; color: #ffffff; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; font-weight: bold; width: 100px; height: 20px;" name="submit" onMouseOver="this.style.backgroundColor='#B4B3A9'" onMouseOut="this.style.backgroundColor='#7C7C7C'" value="Logout" />
</span>
</form>

<?php else: ?>

<form action="<?php echo "login.php";//$_SERVER['PHP_SELF'];?>" method="POST">
<table border="0">
        <tr>
            <td>Administrator:</td><td><input type="checkbox" id="adminid" name="admin" style="float: left; border: 1px solid #7C7C7C; background-color: #7C7C7C;" value="no" onClick="if(this.value=='no'){this.value='yes'; document.getElementById('register').style.display = 'none';} else{this.value='no';document.getElementById('register').style.display = 'block';};" /></td>
       </tr>
<?php echo $writeemptyfield; ?>
<?php echo $writeusernoexist; ?>
        <tr>
            <td>Username:</td>
            <td><input type="text" name="username" id="username" style="float: left; border: 1px solid #7C7C7C; font: 9px verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 100px; height: 15px;" value="User Name" onBlur="if (this.value == '') this.value = 'User Name';" onFocus="if (this.value == 'User Name') this.value = '';" /></td>
       </tr>
<?php echo $writewrongpassword; ?>        
        <tr>
            <td>Password:</td><td><input type="password" style="float: left; border: 1px solid #7C7C7C; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; width: 100px; height: 15px;" name="pass" id="pass" /></td></tr>
        <tr>
            <td><a id="register" href="login/register.php" style="float: left; display: block; background-color: #7C7C7C; text-align: left; padding: 0px 0px 0px 5px; width: 80px; height: 20px; text-decoration: none; color: #ffffff; border: 1px solid #7C7C7C; font-weight: bold;" onMouseOver="this.style.backgroundColor='#B4B3A9'" onMouseOut="this.style.backgroundColor='#7C7C7C'">Register</a></td><td align="right"><input type="submit" style="float: left; border: 1px solid #7C7C7C; background-color: #7C7C7C; color: #ffffff; font: 9pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; font-weight: bold; width: 100px; height: 20px;" name="submit" onMouseOver="this.style.backgroundColor='#B4B3A9'" onMouseOut="this.style.backgroundColor='#7C7C7C'" value="Login" /></td>
        </tr>
    </table>
</form>
<?php endif; ?> 
</body>
</html>

PHP Code:


			
<?php
    # login.php
    
if ($_SERVER['REQUEST_METHOD'] == 'POST'){
    session_start();
    $_SESSION['logged_in'] = true;
    header('HTTP/1.1 303 See Other');
}
header('Location: index.php');
?>

PHP Code:


			
<?php
    # logout.php
if ($_SERVER['REQUEST_METHOD'] == 'POST'){
    session_start();
    session_destroy();
    header('HTTP/1.1 303 See Other');
}
header('Location: index.php');
?>

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