Possible Duplicate:
Headers already sent by PHP
I'm trying to set up a simple php username and password login. Everything is working correctly until I try to redirect to the login_success.php page. All information is below please help.
############### Code
Warning: Cannot modify header information - headers already sent by (output started at
.../edits/admon/minastotian/checklogin.php:4) in
.../edits/admon/minastotian/checklogin.php on line 15
This is the checklogin.php page. It prints out the error above please help. thank you in advanced.
############### Code
<?php
$host="i'm not telling"; // Host name
$username="db_user"; // Mysql username
$password="db_password"; // Mysql password
$db_name="db_name"; // Database name
$tbl_name="users"; // Table name
// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
// username and password sent from form
$myusername=$_POST['myusername'];
$mypassword=$_POST['mypassword'];
// To protect MySQL injection (more detail about MySQL injection)
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($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['myusername'] = 'myusername';
$_SESSION['mypassword'] = 'mypassword';
header("location:login_success.php");
}
else {
echo "Wrong Username or Password";
}
?>
