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Thread: Login page not working, blank page as output! PHP

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  1. #1
    Join Date
    Oct 2012
    Location
    Gujarat, India.
    Posts
    35

    Login page not working, blank page as output! PHP

    Hello, i have 3 scripts for website which are meant to be allow user to login... i have finished register but i am having problem with login scripts.

    Here are my 3 scritps, conf.inc.php is for configuration of variables, login.php is script which check login (i think there is source of problem.) and logger.php which is form.

    I can register but when try to log in, it shows blank page with url of mywebsitename.com/login.php in url bar. Please help me.
    Thanks in advance.
    conf.inc.php

    PHP Code:
    <?php
    $db_user 
    "pfc"// Username
    $db_pass "pfcpass"// Password
    $db_database "users"// Database Name
    $db_host "host"// Server Hostname
    $db_connect mysql_connect ($db_host$db_user$db_pass); // Connects to the database.
    $db_select mysql_select_db ($db_database); // Selects the database.
     
    function form($data) { // Prevents SQL Injection
       
    global $db_connect;
       
    $data ereg_replace("[\'\")(;|`,<>]"""$data);
       
    $data mysql_real_escape_string(trim($data), $db_connect);
       return 
    stripslashes($data);
    }
    ?>
    logger.php

    PHP Code:
    <?php
    echo '<div style="border-right: 2px gray; background-color:#555; border-radius:3px; display:inline; float:right; line-height:50px; padding:3px;"><span style="color:orchid;">New?</span><a href="register.php" class="round">SIGN UP</a></div>';
    echo 
    '<form id="form1" name="form1" method="post" action="login.php" class="logIn" style="background-color:#555; padding:2px; border: 1px solid #999; border-radius: 3px;">
            <span style="color:orchid;">Username: </span><input type="text" name="username" id="username" />
            <span style="color:orchid;">Password: </span><input type="password" name="password" id="password" /> &nbsp; &nbsp; &nbsp;
            <input type="submit" name="btnSubmit" id="logInBtn" value="Login" style="float:right;
        border-radius:2px;
        border: 1px solid gray;
        padding: 2px;
        background-color:black;
        color:white;
        margin-right:50px;"
        /> </form>'
    ;
        
    ?>
    login.php

    PHP Code:
    <?php
    include("conf.inc.php"); // Includes the db and form info.
    session_start(); // Starts the session.
    if ($_SESSION['logged'] == 1) { // User is already logged in.
        //echo '<script>document.getElementById("topRight").innerHTML += "You are logged in as"+ $_SESSION["member"] +"."</script>'; // Goes to main page.
        
    echo '<script>document.getElementById("topRight").innerHTML += <a href="logout.php">Log Out</a></script>'// Goes to main page.
        
    exit(); // Stops the rest of the script.
    } else {
        if (isset(
    $_POST['submit'])) { // The form has not been submitted.
            
    $username form($_POST['username']);
            
    $password md5(form($_POST['password'])); // Encrypts the password.
     
            
    $q mysql_query("SELECT * FROM `users` WHERE username = '$username' AND password = '$password'") or die (mysql_error()); // mySQL query
            
    $r mysql_num_rows($q); // Checks to see if anything is in the db. 
     
            
    if ($r == 1) { // There is something in the db. The username/password match up.
                
    $_SESSION['logged'] = 1;
                
    // Sets the session.
                
    echo 'Successfully logged in! <a href="index.html">Go to home page.</a>'// Goes to main page.
                
    exit(); // Stops the rest of the script.
            
    } else { // Invalid username/password.
                
    exit("Incorrect username/password!"); // Stops the script with an error message.
            
    //If invalid username and password. Cause they didn't matched, ends here.
        
    };  // IF Form hasn't been submitted ends here.
    }; //If session is not logged in ends here.
    mysql_close($db_connect); // Closes the connection.
    ?>

  2. #2
    Join Date
    Jan 2009
    Posts
    3,346
    Do you have error_reporting turned on? Might have an error somewhere causing it to fail.

  3. #3
    Join Date
    Oct 2012
    Location
    Gujarat, India.
    Posts
    35
    Thanks, it solved problem.

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