Header Problems/Session Register
Posted: Thu Oct 23, 2008 4:47 pm
Well im relatively new to PHP, about a week and i keep getting the same recurring errors on login scripts. Normally similar, so fix it once i can fix em all i guess. Here is my code, they submit a form from a previous page and then go to checklogin.php (from main_login.php):
(Removed HTML elements)
I get the following errors:
Warning: session_register() [function.session-register]: Cannot send session cookie - headers already sent by (output started at /home/www/searchyouringredients.100webspace.net/checklogin.php:9) in /home/www/searchyouringredients.100webspace.net/checklogin.php on line 39
Warning: session_register() [function.session-register]: Cannot send session cache limiter - headers already sent (output started at /home/www/searchyouringredients.100webspace.net/checklogin.php:9) in /home/www/searchyouringredients.100webspace.net/checklogin.php on line 39
Warning: Cannot modify header information - headers already sent by (output started at /home/www/searchyouringredients.100webspace.net/checklogin.php:9) in /home/www/searchyouringredients.100webspace.net/checklogin.php on line 41
If someone could inform me what im doing wrong, so i dont make the same mistakes.. Thanks alot in advance!
Code: Select all
<?php
$host="mysql2.100ws.com"; // Host name
$username="ashpea1_160714"; // Mysql username
$password="qwerty"; // Mysql password
$db_name="ashpea1_160714"; // 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 form
$myusername=$_POST['myusername'];
$mypassword=$_POST['mypassword'];
// To protect 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_register("myusername");
session_register("mypassword");
header("location:login_success.php");
}
else {
echo "Wrong Username or Password";
}
?>
I get the following errors:
Warning: session_register() [function.session-register]: Cannot send session cookie - headers already sent by (output started at /home/www/searchyouringredients.100webspace.net/checklogin.php:9) in /home/www/searchyouringredients.100webspace.net/checklogin.php on line 39
Warning: session_register() [function.session-register]: Cannot send session cache limiter - headers already sent (output started at /home/www/searchyouringredients.100webspace.net/checklogin.php:9) in /home/www/searchyouringredients.100webspace.net/checklogin.php on line 39
Warning: Cannot modify header information - headers already sent by (output started at /home/www/searchyouringredients.100webspace.net/checklogin.php:9) in /home/www/searchyouringredients.100webspace.net/checklogin.php on line 41
If someone could inform me what im doing wrong, so i dont make the same mistakes.. Thanks alot in advance!