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Posted by Thomas Bonham on 07/11/05 04:36
Using the examples for php and my book.
This is the error that I get with the following code.
ERROR:
[client 127.0.0.1] PHP Warning: session_start(): Cannot send session
cookie - headers already sent by (output started at
/var/www/html/thomas/cis166ae/data/login.php:2) in
/var/www/html/thomas/cis166ae/data/login.php on line 3, referer:
http://localhost/thomas/cis166ae/data/
[client 127.0.0.1] PHP Warning: session_start(): Cannot send session
cache limiter - headers already sent (output started at
/var/www/html/thomas/cis166ae/data/login.php:2) in
/var/www/html/thomas/cis166ae/data/login.php on line 3, referer:
http://localhost/thomas/cis166ae/data/
[client 127.0.0.1] PHP Warning: session_start(): Cannot send session
cookie - headers already sent by (output started at
/var/www/html/thomas/cis166ae/data/login.php:2) in
/var/www/html/thomas/cis166ae/data/login.php on line 3, referer:
http://localhost/thomas/cis166ae/data/login.php
[client 127.0.0.1] PHP Warning: session_start(): Cannot send session
cache limiter - headers already sent (output started at
/var/www/html/thomas/cis166ae/data/login.php:2) in
/var/www/html/thomas/cis166ae/data/login.php on line 3, referer:
http://localhost/thomas/cis166ae/data/login.php
[client 127.0.0.1] PHP Fatal error: Call to a member function on a
non-object in /var/www/html/thomas/cis166ae/data/login.php on line 23,
referer: http://localhost/thomas/cis166ae/data/login.php
[Sun Jul 10 18:33:02 2005] [error] [client 127.0.0.1] File does not
exist: /var/www/html/favicon.ico
[root@thomas httpd]#
CODE:
<?php
session_start();
if(isset($_POST['username']) && isset($_POST['passwd']))
{
$username = $_POST['username'];
$passwd = $_POST['passwd'];
/* Connecting to database */
$db = pg_connect ("
dbname=auth
user=auth
hostaddr=127.0.01
");
$query = "SELECT * FROM auth_user
WHERE name='$username'
AND
password='$passwd'";
/* Running query */
$result->pg_query($query);
$rows = pg_num_rows($result);
if($rows > 0)
{
$_SESSION['valid_user'] = $name;
}
else
{
echo 'Failed';
}
}
?>
<html><head><title>Login</title>
<link rel="stylesheet" type="text/css" href="../css/table.css">
<link rel="stylesheet" type="text/css" href="../css/font.css">
</head>
<body>
<table class="center_100">
<tr>
<td class="td_100_center">
<?php
if(isset($_SESSION['valid_user']))
{
echo 'You are logged in as: '.$_SESSION['valid_user'].'<br>';
}
else
{
if(isset($username))
{
echo 'Could not log you in';
}
else
{
echo 'You are not login in.<br>';
}
echo '<form method="post" action="login.php">';
echo 'User Name:';
echo '<input type="text" name="username">';
echo 'Password:';
echo '<input type="text" name="passwd">';
echo '<input type="submit" value="Log in">';
echo '</font>';
}
?>
</td>
</tr>
</table>
</body>
</html>
Thanks
Thomas
Richard Lynch wrote:
> On Sat, July 9, 2005 8:27 pm, Thomas Bonham said:
>
>>If someone can send me a example of a login sesson.
>
>
> http://php.net/session_start
>
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