chapter11 login

webshark · #1 (**permalink**) March 23rd, 2004, 04:26 PM

from the script in the book on page 327 (index.php)
I receive this message:

Notice: Undefined index: user_logged in c:\inetpub\wwwroot\test2\index.php on line 3

How can this be fixed or adjusted so it does not display an error

webshark · #2 (**permalink**) March 23rd, 2004, 04:29 PM

Line 3 is
if ($_SESSION['user_logged'] == "" || $_SESSION['user_password'] == "")

Snib · #3 (**permalink**) March 23rd, 2004, 04:38 PM

Does the page start with session_start(); ?

Does it work, and you want to remove the error, or does it not work?

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webshark · #4 (**permalink**) March 23rd, 2004, 04:43 PM

it does start with session_start();

and the page seems to work, but I get this undefined error throughout the page examples

webshark · #5 (**permalink**) March 23rd, 2004, 04:45 PM

on the register page I get an undefined index: submit in
if ($_POST['submit'] == "register") <-- this is the line they are pointing to.

Snib · #6 (**permalink**) March 23rd, 2004, 04:50 PM

OK, I think you need to understand this: I don't have the book. Many people here don't. Therefore, you must provide more information.

It looks to me like you didn't have a form that POSTed to the 'register page.'

So it seems that you have 3 pages. The register page, the page that should have POSTed to it, and the page that has the troublesome Line 3....

Am I right?

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webshark · #7 (**permalink**) March 23rd, 2004, 05:09 PM

okay the situation is this:
the index.php page code is this: (this gives me a undefined error on line3 which is the line that begins with if)
<?php
session_start();
if ($_SESSION['user_logged'] == "" || $_SESSION['user_password'] == "")
{
include "unlogged_user.php";
}
else
{
include "logged_user.php";
}
?>

Now if the User needs to be REGISTERED it brings you to the registration page which is below which gives me an undefined error beginning with (if ($_POST['submit'] == "Register")) line 11.
code:

<?php
session_start();
include "conn.inc.php";
?>
<html>
<head>
     <title>Beginning PHP, Apache, MySQL Web Development</title>
</head>
<body>
<?php
if ($_POST['submit'] == "Register")
{
     if ($_POST['username'] != "" && $_POST['password'] != "" &&
$_POST['f_name'] != "" && $_POST['l_name'] != "" &&
     $_POST['email'] != "")
     {
          $check_user = $_POST['username'];

          $query = "SELECT username FROM user_info WHERE username =
'$check_user';";
          $result = mysql_query($query) or die(mysql_error());

          if (mysql_num_rows($result) != 0)
          {
?>
               <b>The Username, <?php echo $_POST['username']
; ?>, is already in use, please choose another!</b>
               <form action="register.php" method="post">
               Username: <input type="text" name="username"><br>
               Password: <input type="password" name="password" value="<?php echo
                    $_POST['password']; ?>"><br>
               Email: <input type="text" name="email" value="<?php echo
$_POST['email']; ?>"><br>
               First Name: <input type="text" name="f_name" value="<?php echo
$_POST['first_name']; ?>"><br>
               Last Name: <input type="text" name="l_name" value="<?php echo
$_POST['last_name']; ?>"><br>
               City: <input type="text" name="city" value="<?php echo
$_POST['city']; ?>"><br>
               State: <input type="text" name="state" value="<?php echo
$_POST['state']; ?>"><br>
               Hobbies/Interests: (choose at least one)<br>
               <select name="hobbies[]" size="10" multiple>
     <option value="Golfing"<?php if (in_array("Golfing",
$_POST['hobbies'])) echo " selected"; ?>>Golfing</option>
               <option value="Hunting"<?php if (in_array("Hunting",
$_POST['hobbies'])) echo " selected"; ?>>Hunting</option>
               <option value="Reading"<?php if (in_array("Reading",
$_POST['hobbies'])) echo " selected"; ?>>Reading</option>
               <option value="Dancing"<?php if (in_array("Dancing",
$_POST['hobbies'])) echo " selected"; ?>>Dancing</option>
               <option value="Internet"<?php if (in_array("Internet",
$_POST['hobbies'])) echo " selected"; ?>>Internet</option>
               <option value="Flying"<?php if (in_array("Flying",
$_POST['hobbies'])) echo " selected"; ?>>Flying</option>
               <option value="Traveling"<?php if (in_array("Traveling",
$_POST['hobbies'])) echo " selected"; ?>>Traveling</option>
               <option value="Exercising"<?php if (in_array("Exercising",
$_POST['hobbies'])) echo " selected"; ?>>Exercising</option>
               <option value="Computers"<?php if (in_array("Computers",
$_POST['hobbies'])) echo " selected"; ?>>Computers</option>
               <option value="Other Than Listed"<?php if (in_array("Other Than
Listed", $_POST['hobbies'])) echo " selected"; ?>>Other Than
Listed</option>
               </select><br><br>
               <input type="submit" name="submit" value="Register">   <input
type="reset" value="Clear">
               </form>
<?php
          }
          else
          {
          $query = "INSERT INTO user_info(username, password, email, f_name,
l_name, city, state, hobbies) VALUES ('" . $_POST['username'] .
"', (password('"
. $_POST['password'] . "')), '" . $_POST['email'] . "', '" .
$_POST['f_name'] .
"', '" . $_POST['l_name'] . "', '" . $_POST['city'] . "', '" .
$_POST['state'] .
"', '" . implode(", ", $_POST['hobbies']) . "');";
          $result = mysql_query($query) or die(mysql_error());
          $_SESSION['user_logged'] = $_POST['username'];
          $_SESSION['user_password'] = $_POST['password'];
?>
          Thank you, <?php echo $_POST['f_name'] . ", " . $_POST['l_name']; ?> for registering!<br>
          <a href="index.php">Click here</a> to continue.
<?php
          }
     }
     else
     {
?> <b>The Username, Password, Email, First Name, and
          Last Name fields are required!</b>
          <form action="register.php" method="post">
          Username: <input type="text" name="username" value="<?php echo
               $_POST['username']; ?>"><br>
Password: <input type="password" name="password" value="<?php echo
$_POST['password']; ?>"><br>
          Email: <input type="text" name="email" value="<?php echo $_POST['email'];
?>"><br>
          First Name: <input type="text" name="f_name" value="<?php echo
$_POST['first_name']; ?>"><br>
          Last Name: <input type="text" name="l_name" value="<?php echo
$_POST['last_name']; ?>"><br>
          City: <input type="text" name="city" value="<?php echo $_POST['city'];
?>"><br>
          State: <input type="text" name="state" value="<?php echo $_POST['state'];
?>"><br>
          Hobbies/Interests: (choose at least one)<br>
          <select name="hobbies[]" size="10" multiple>
          <option value="Golfing"
          <?php if (in_array("Golfing", $_POST['hobbies']))
echo " selected"; ?>>Golfing</option>
          <option value="Hunting"
          <?php if (in_array("Hunting", $_POST['hobbies']))
echo " selected"; ?>>Hunting</option>
          <option value="Reading"
          <?php if (in_array("Reading", $_POST['hobbies']))
echo " selected"; ?>>Reading</option>
          <option value="Dancing"
          <?php if (in_array("Dancing", $_POST['hobbies']))
echo " selected"; ?>>Dancing</option>
          <option value="Internet"
          <?php if (in_array("Internet", $_POST['hobbies']))
echo " selected"; ?>>Internet</option>
          <option value="Flying"
          <?php if (in_array("Flying", $_POST['hobbies'])) echo
                " selected"; ?>>Flying</option>
          <option value="Traveling"
          <?php if (in_array("Traveling",
$_POST['hobbies'])) echo " selected"; ?>>Traveling</option>
          <option value="Exercising"
          <?php if (in_array("Exercising",
$_POST['hobbies'])) echo " selected"; ?>>Exercising</option>
          <option value="Computers"
          <?php if (in_array("Computers",
$_POST['hobbies'])) echo " selected"; ?>>Computers</option>
          <option value="Other Than Listed"
          <?php if (in_array("Other Than Listed",
$_POST['hobbies'])) echo " selected"; ?>>Other Than Listed</option>
          </select><br><br>
          <input type="submit" name="submit" value="Register">   <input
type="reset" value="Clear">
          </form>
<?php
     }
}
else
{
?>
Welcome to the registration page!<br>
The Username, Password, Email, First Name, and Last Name fields are required!
<form action="register.php" method="post">
Username: <input type="text" name="username"><br>
Password: <input type="password" name="password"><br>
Email: <input type="text" name="email"><br>
First Name: <input type="text" name="f_name"><br>
Last Name: <input type="text" name="l_name"><br>
City: <input type="text" name="city"><br>
State: <input type="text" name="state"><br>
Hobbies/Interests: (choose at least one)<br>
<select name="hobbies[]" size="10" multiple>
<option value="Golfing">Golfing</option>
<option value="Hunting">Hunting</option>
<option value="Reading">Reading</option>
<option value="Dancing">Dancing</option>
<option value="Internet">Internet</option>
<option value="Flying">Flying</option>
<option value="Traveling">Traveling</option>
<option value="Exercising">Exercising</option>
<option value="Computers">Computers</option>
<option value="Other Than Listed">Other Than Listed</option>
</select><br><br>
<input type="submit" name="submit" value="Register">   <input type="reset"
     value="Clear">
</form>
<?php
}
?>
</body>
</html>

webshark · #8 (**permalink**) March 23rd, 2004, 05:12 PM

also once the user is logged in and decides to update their information I get an undefined index submit starting with this line
if ($_POST['submit'] == "Update")

code:
<?php
// session_start();
include "auth_user.inc";
include "conn.inc.php";
?>
<html>
<head>
     <title>Beginning PHP, Apache, MySQL Web Development</title>
</head>
<body>
<h1>Update Account Information</h1>
Here you can update your account information for viewing in your profile.<br><br>
<?php
if ($_POST['submit'] == "Update")
{
     $query_update = "UPDATE user_info SET email = '" . $_POST['email'] . "', city
          = '" . $_POST['city'] . "', state = '" . $_POST['state'] . "', hobbies =
          '" . implode(", ", $_POST['hobbies']) . "' WHERE username = '" .
          $_SESSION['user_logged']. "' AND password = (password('" .
          $_SESSION['user_password'] . "';";
     $result_update = mysql_query($query_update) or die(mysql_error());

     $query = "SELECT * FROM user_info WHERE username = '" .
          $_SESSION['user_logged']. "' AND password = (password('" .
          $_SESSION['user_password'] . "'));";
     $result = mysql_query($query) or die(mysql_error());

     $row = mysql_fetch_array($result);
     $hobbies = explode(", ", $row['hobbies'])
?>
     <b>Your account information has been updated.</b><br>
     <a href="user_personal.php">Click here</a> to return to your account.
     <form action="update_account.php" method="post">
     Email: <input type="text" name="email" value="<?php echo $row['email']; ?>"><br>
     City: <input type="text" name="city" value="<?php echo $row['city']; ?>"><br>
     State: <input type="text" name="state" value="<?php echo $row['state']; ?>"><br>
     Hobbies/Interests: (choose at least one)<br>
     <select name="hobbies[]" size="10" multiple>
     <option value="Golfing"<?php if (in_array("Golfing", $hobbies)) echo " selected";
?>>Golfing</option>
     <option value="Hunting"<?php if (in_array("Hunting", $hobbies)) echo " selected";
          ?>>Hunting</option>
     <option value="Reading"<?php if (in_array("Reading", $hobbies)) echo " selected";
          ?>>Reading</option>
     <option value="Dancing"<?php if (in_array("Dancing", $hobbies)) echo " selected";
          ?>>Dancing</option>
     <option value="Internet"<?php if (in_array("Internet", $hobbies)) echo "
          selected"; ?>>Internet</option>
     <option value="Flying"<?php if (in_array("Flying", $hobbies)) echo " selected";
          ?>>Flying</option>
     <option value="Traveling"<?php if (in_array("Traveling", $hobbies)) echo "
          selected"; ?>>Traveling</option>
     <option value="Exercising"<?php if (in_array("Exercising", $hobbies)) echo "
          selected"; ?>>Exercising</option>
     <option value="Computers"<?php if (in_array("Computers", $hobbies)) echo "
          selected"; ?>>Computers</option>
     <option value="Other Than Listed"<?php if (in_array("Other Than Listed",
          $hobbies)) echo " selected"; ?>>Other Than Listed</option>
     </select><br><br>
     <input type="submit" name="submit" value="Update">   <input type="button"
          value="Cancel" onclick="history.go(-1);">
     </form>
<?php
}
else
{
     $query = "SELECT * FROM user_info WHERE username = '" .
$_SESSION['user_logged']. "' AND password = (password('" . $_SESSION['user_password'] . "'));";
     $result = mysql_query($query) or die(mysql_error());

     $row = mysql_fetch_array($result);
     $hobbies = explode(", ", $row['hobbies'])
?>
     <form action="update_account.php" method="post">
     Email: <input type="text" name="email" value="<?php echo $row['email']; ?>"><br>
     City: <input type="text" name="city" value="<?php echo $row['city']; ?>"><br>
     State: <input type="text" name="state" value="<?php echo $row['state']; ?>"><br>
     Hobbies/Interests: (choose at least one)<br>
     <select name="hobbies[]" size="10" multiple>
     <option value="Golfing"<?php if (in_array("Golfing", $hobbies)) echo " selected";
?>>Golfing</option>
     <option value="Hunting"<?php if (in_array("Hunting", $hobbies)) echo " selected";
?>>Hunting</option>
     <option value="Reading"<?php if (in_array("Reading", $hobbies)) echo " selected";
?>>Reading</option>
     <option value="Dancing"<?php if (in_array("Dancing", $hobbies)) echo " selected";
?>>Dancing</option>
     <option value="Internet"<?php if (in_array("Internet", $hobbies)) echo "
selected"; ?>>Internet</option>
     <option value="Flying"<?php if (in_array("Flying", $hobbies)) echo " selected";
?>>Flying</option>
     <option value="Traveling"<?php if (in_array("Traveling", $hobbies)) echo "
selected"; ?>>Traveling</option>
     <option value="Exercising"<?php if (in_array("Exercising", $hobbies)) echo "
selected"; ?>>Exercising</option>
     <option value="Computers"<?php if (in_array("Computers", $hobbies)) echo "
selected"; ?>>Computers</option>
     <option value="Other Than Listed"<?php if (in_array("Other Than Listed"
, $hobbies)) echo " selected"; ?>>Other Than Listed</option>
     </select><br><br>
     <input type="submit" name="submit" value="Update">   <input type="button"
value="Cancel" onclick="history.go(-1);">
     </form>
<?php
}
?>
</body>
</html>

Snib · #9 (**permalink**) March 23rd, 2004, 05:32 PM

Like I said in my previous post, PHP does not seem to be recieving the $_POST predefined variable....

This probably means that the index of $_POST that you requested (the part in the []) is not set. And this means that the page that was supposed to POST to the page that reads $_POST is not POSTing correctly....

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Snib · #10 (**permalink**) March 23rd, 2004, 05:33 PM

Or it could mean you have an old PHP.....

What version are you using?

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