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Shaun13

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    Quick PHP Question

    in PHP Coding Help

    Posted

    Here we go:

    ~Logged In~

     

    Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /var/www/=P/shaunsboards/index.php:3) in /var/www/=P/shaunsboards/index.php on line 4

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /var/www/=P/shaunsboards/index.php:3) in /var/www/=P/shaunsboards/index.php on line 4

Welcome Resource id #4 | Logout

     

     

    ~Logged Out~

     

    Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /var/www/=P/shaunsboards/index.php:3) in /var/www/=P/shaunsboards/index.php on line 4

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /var/www/=P/shaunsboards/index.php:3) in /var/www/=P/shaunsboards/index.php on line 4

You have encountered an error.

    Quick PHP Question

    in PHP Coding Help

    Posted

    Logged out I get:

     

    Notice: Undefined index: myusername in /var/www/=P/shaunsboards/index.php on line 21

    You have encountered an error.

     

    Logged in I get:

     

    Notice: Use of undefined constant myusername - assumed 'myusername' in /var/www/=P/shaunsboards/index.php on line 27

    Welcome Resource id #4 | Logout

     

    Whats it all mean, lol.

     

    ~Shaun

     

    Quick PHP Question

    in PHP Coding Help

    Posted

    Ok, thanks for the tip. I only used $_SESSION because I don't know how to call session_register from the next page? Do you know?

    In other words, on index.php I have $myusername=$_SESSION['myusername'];

     

    How would i set up the variable for session register? Would it be:

    $myusername=sessionregister['myusername']

     

    ???

     

    ~Shaun

    Quick PHP Question

    in PHP Coding Help

    Posted

    Aww man. Still came up with the same thing. I will post both the login.php and index.php files.

     

    login.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=iso-8859-1" />
<title>~ShaunsBoards~Login</title>
</head>
<center>
<table width="300" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<form name="form1" method="post" action="checklogin.php">
<td>
<table width="100%" border="0" cellpadding="3" cellspacing="1" bgcolor="#CCDDCC">
<tr>
<td colspan="3" align="center"><strong><font color="#336633">ShaunsBoards Login </font></strong></td>
</tr>
<tr>
<td width="78">Username</td>
<td width="6">:</td>
<td width="294"><input name="myusername" type="text" id="myusername"></td>
</tr>
<tr>
<td>Password</td>
<td>:</td>
<td><input name="mypassword" type="password" id="mypassword"></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td><input type="submit" name="Submit" value="Login">
</td>
</tr>
<tr>
<td align="center" colspan="4"><a href="register.php">Register</a></td>
</tr>
</table>
</td>
</form>
</tr>
</table><br /><br /><br />
</center>

</body>
</html>

     

    checklogin.php:

     

    <?php
$host="localhost"; // Host name 
$username="=P"; // Mysql username 
$password="=P"; // Mysql password 
$db_name="=P"; // Database name 
$tbl_name="members"; // Table name 

// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect"); 
mysql_select_db("$db_name")or die("cannot select DB");

// username and password sent from signup form 
$myusername=$_POST['myusername']; 
$mypassword=$_POST['mypassword']; 

$sql="SELECT * FROM $tbl_name WHERE username='$myusername' and password='$mypassword'";
$result=mysql_query($sql);

// Mysql_num_row is counting table row
$count=mysql_num_rows($result);
// If result matched $myusername and $mypassword, table row must be 1 row

if($count==1){
// Register $myusername, $mypassword and redirect to file "login_success.php"
session_register("myusername");
session_register("mypassword"); 
session_register("myusername");
header("location:index.php");
$_SESSION['myusername']=$myusername;

}
else {
echo "Wrong Username or Password";
}

?>

     

    index.php:

     

    <?php
session_start();
$host="localhost"; // Host name 
$username="=P"; // Mysql username 
$password="=P"; // Mysql password 
$db_name="=P"; // Database name 
$tbl_name="posts"; // Table name 

// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect"); 
mysql_select_db("$db_name")or die("cannot select DB");

$sql="SELECT * FROM $tbl_name ORDER BY id DESC";
// OREDER BY id DESC is order result by descending 
$result=mysql_query($sql);
?>
<center>
<?php
$tbl_name2="members";
$myusername=$_SESSION['myusername'];
$mydn="SELECT displayname FROM $tbl_name2 WHERE username = '$myusername'";
$mydisplayname=mysql_query($mydn);
if (mysql_num_rows($mydisplayname)>0) {
   while ($row = mysql_fetch_assoc($mydisplayname)) {
      extract($row);
      if(session_is_registered(myusername)){
         echo "Welcome ".$mydisplayname." | <a href='logout.php'>Logout</a>";
      }
      else
      {
         echo "<a href='login.php'>Login</a> | <a href='register.php'>Register</a>";
      }
   }
}
?>
</center>
<br /><br />
<table width="90%" border="0" align="center" cellpadding="3" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<td width="40%" align="center" bgcolor="#CCDDCC"><strong>Topic</strong></td>
<td width="20%" align="center" bgcolor="#CCDDCC"><strong>Author</strong></td>
<td width="15%" align="center" bgcolor="#CCDDCC"><strong>Views</strong></td>
<td width="13%" align="center" bgcolor="#CCDDCC"><strong>Replies</strong></td>
<td width="13%" align="center" bgcolor="#CCDDCC"><strong>Date/Time</strong></td>
</tr>

<?php
while($rows=mysql_fetch_array($result)){ // Start looping table row 
?>
<tr>
<td bgcolor="#FFFFFF"><a href="view_topic.php?id=<? echo $rows['id']; ?>"><? echo $rows['title']; ?></a><BR></td>
<td align="center" bgcolor="#FFFFFF"><? echo $rows['author']; ?></td>
<td align="center" bgcolor="#FFFFFF"><? echo $rows['views']; ?></td>
<td align="center" bgcolor="#FFFFFF"><? echo $rows['posts']; ?></td>
<td align="center" bgcolor="#FFFFFF"><? echo $rows['datetime']; ?></td>
</tr>

<?php
// Exit looping and close connection 
}
mysql_close();
?>
<tr>
<td colspan="5" align="right" bgcolor="#CCDDCC">
<? 
if(session_is_registered(myusername)){
echo "<a href='create_topic.php'><strong>Create New Topic</strong> </a>";
}
else
{
echo "<a href='login.php'>Login</a> to start topics!";
}
?>
</tr>
</table>

     

    Feel free to change some things around and try. I really need this fixed. Thanks in advance.

     

    ~Shaun

    Quick PHP Question

    in PHP Coding Help

    Posted

    Nope, didn't work either. I got this:

     

    Welcome Resource id #4 | LogoutWelcome Resource id #4 | Logout

     

    Here is the PHP of the whole page:

     

    <?php
session_start();
$host="localhost"; // Host name 
$username="=P"; // Mysql username 
$password="=P"; // Mysql password 
$db_name="=P"; // Database name 
$tbl_name="posts"; // Table name 

// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect"); 
mysql_select_db("$db_name")or die("cannot select DB");

$sql="SELECT * FROM $tbl_name ORDER BY id DESC";
// OREDER BY id DESC is order result by descending 
$result=mysql_query($sql);
?>
<center>
<?php
$tbl_name2="members";
$myusername=$_SESSION['myusername'];
$mydn="SELECT displayname FROM $tbl_name2 WHERE username = '$myusername'";
$mydisplayname=mysql_query($mydn);
if (mysql_num_rows($mydisplayname)>0) {
   while ($row = mysql_fetch_assoc($result)) {
      extract($row);
      if(session_is_registered(myusername)){
         echo "Welcome ".$mydisplayname." | <a href='logout.php'>Logout</a>";
      }
      else
      {
         echo "<a href='login.php'>Login</a> | <a href='register.php'>Register</a>";
      }
   }
}
?>
</center>
<br /><br />
<table width="90%" border="0" align="center" cellpadding="3" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<td width="40%" align="center" bgcolor="#CCDDCC"><strong>Topic</strong></td>
<td width="20%" align="center" bgcolor="#CCDDCC"><strong>Author</strong></td>
<td width="15%" align="center" bgcolor="#CCDDCC"><strong>Views</strong></td>
<td width="13%" align="center" bgcolor="#CCDDCC"><strong>Replies</strong></td>
<td width="13%" align="center" bgcolor="#CCDDCC"><strong>Date/Time</strong></td>
</tr>

<?php
while($rows=mysql_fetch_array($result)){ // Start looping table row 
?>
<tr>
<td bgcolor="#FFFFFF"><a href="view_topic.php?id=<? echo $rows['id']; ?>"><? echo $rows['title']; ?></a><BR></td>
<td align="center" bgcolor="#FFFFFF"><? echo $rows['author']; ?></td>
<td align="center" bgcolor="#FFFFFF"><? echo $rows['views']; ?></td>
<td align="center" bgcolor="#FFFFFF"><? echo $rows['posts']; ?></td>
<td align="center" bgcolor="#FFFFFF"><? echo $rows['datetime']; ?></td>
</tr>

<?php
// Exit looping and close connection 
}
mysql_close();
?>
<tr>
<td colspan="5" align="right" bgcolor="#CCDDCC">
<? 
if(session_is_registered(myusername)){
echo "<a href='create_topic.php'><strong>Create New Topic</strong> </a>";
}
else
{
echo "<a href='login.php'>Login</a> to start topics!";
}
?>
</tr>
</table>

    Quick PHP Question

    in PHP Coding Help

    Posted

    Hi, this is a snipet from my newest project ShaunsBoards. It is some simple forum software.

     

    <? 
$tbl_name2="members";
$myusername=$_SESSION['myusername'];
$mydn="SELECT displayname FROM $tbl_name2 WHERE username = '$myusername'";
$mydisplayname=mysql_query($mydn);

if(session_is_registered(myusername)){
echo "Welcome ".$mydisplayname." | <a href='logout.php'>Logout</a>";
}
else
{
echo "<a href='login.php'>Login</a> | <a href='register.php'>Register</a>";
}
?>

     

    This is a small snipet from my forums index. The $myusername variable is taken from the session cookie and that is in the mysql database. What I want it to do is get the persons username ($myusername) in the mysql table and get their display name which is also in that table. Now, when I leave it as "welcome.$myusername" it works fine, but right now I get this:

     

    Welcome Resource id #4 | Logout

     

    What am I doing wrong?

     

    ~Shaun

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