I've created a code to change a password. Now it seem contain an error.
When before I fill in the form to change password.the error is:
Warning: Cannot modify header
information - headers already sent by
(output started at C:\Program
Files\xampp\htdocs\e-Complaint(FYP)\userChangePass.php:7)
in C:\Program
Files\xampp\htdocs\e-Complaint(FYP)\userChangePass.php
on line 126
the code:
<?php # userChangePass.php
//this page allows logged in user to change their password.
$page_title='Change Your Password';
//if no first_name variable exists, redirect the user
if(!isset($_SESSION['userid'])){
header("Location: http://" .$_SERVER['HTTP_HOST']. dirname($_SERVER['PHP_SELF'])."/index.php");
ob_end_clean();
exit();
}else{
if(isset($_POST['submit'])) {//handle form.
require_once('connectioncomplaint.php'); //connec to the database
//check for a new password and match againts the confirmed password.
if(eregi ("^[[:alnum:]]{4,20}$", stripslashes(trim($_POST['password1'])))){
if($_POST['password1'] == $_POST['password2']){
$p =escape_data($_POST['password1']);
}else{
$p=FALSE;
echo'<p><font color="red" size="+1"> Your password did not match the confirmed password!</font></p>';
}
}else{
$p=FALSE;
echo'<p><font color="red" size="+1"> Please Enter a valid password!</font></p>';
}
if($p){ //if everything OK.
//make the query
$query="UPDATE access SET password=PASSWORD('$p') WHERE userid={$_SESSION['userid']}";
$result=@mysql_query($query);//run the query.
if(mysql_affected_rows() == 1) {//if it run ok.
//send an email,if desired.
echo '<p><b>your password has been changed.</b></p>';
//include('templates/footer.inc');//include the HTML footer.
exit();
}else{//if it did not run ok
$message= '<p>Your password could not be change due to a system error.We apolpgize for any inconvenience.</p><p>' .mysql_error() .'</p>';
}
mysql_close();//close the database connection.
}else{//failed the validation test.
echo '<p><font color="red" size="+1"> Please try again.</font></p>';
}
}//end of the main Submit conditional.
}
?>
the error at this line:-
header("Location: http://"
.$_SERVER['HTTP_HOST'].
dirname($_SERVER['PHP_SELF'])."/index.php");
please help me guy...