here is the example:
<?php
// Beginning php
// Saving the page header in the variable $head.
$head = <<<ENDH
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<title>Feedback form</title>
</head>
<body bgcolor="white">
<h1 align=center>Feedback form</h1>
ENDH;
// End of page header
// Saving the page footer in the variable $tail.
$tail = <<<ENDT
<hr>
</body>
</html>
ENDT;
// End of page footer
// Set up variables that will be saved in the cookies
// Define unique cookie prefix
$ID = "My_ID";
// Cookie lifetime in seconds (in this example, three days)
$cookie_life = 60;
// Name of cookie that holds the user's name
$n_name = $ID . "_Name";
// Name of cookie that holds the user's email
$n_email = $ID . "_Email";
// Name of cookie that holds the user's last login
$n_last = $ID . "_Last";
// These lines print the form with user input and mails to the
webmaster.
if( isset($sfeedback)) {
Setcookie($n_last,Date("H:i d/m/Y"),time()+$cookie_life);
print $head;
?>
Thanks for your feedback, <?php echo $name ?>. Here is what you
said:<br>
Name: <?php echo $name ?><br>
Email: <?php echo $email ?><br>
Feedback: <?php echo $feedback ?><br>
<?php
// Mails the feedback to the webmaster.
$subject = "Feedback from your site";
$sendto = "[EMAIL PROTECTED]";
$header = "From: $email";
mail($sendto, $subject, $feedback, $header);
print "Thank you. Your comments have been sent to the
webmaster\n";
// Print end and leave
print $tail;
exit();
}
// This loop treats users who have not been to the site before.
if(!$$n_last) {
if( ! isset($name)) { // if no name - display the form
echo $head;
?>
Welcome to our system! Please fill in the following information:
<!-- $PHP_SELF is the PHP way of referring to the current page -->
<form action="<?php echo $PHP_SELF ?>" method="POST">
Name: <input type="text" name="name"><br>
Email: <input type="text" name="email"><br>
<!-- Submit button -->
<input type=submit value="Submit"></form>
<?php
echo $tail;
exit;
} else {
// Set cookies and continue
Setcookie($n_name,$name,time()+$cookie_life);
Setcookie($n_email,$email,time()+$cookie_life);
$$n_name = $name;
$$n_email = $email;
}
}
// This loop treats repeat users.
Setcookie($n_last,Date("H:i d/m/Y"),time()+$cookie_life);
echo $head;
?>
Welcome back to our system, <?php echo $$n_name ?>.
<?php
// Have previous login
if($$n_last)
echo "Your last login was on " . $$n_last . ".";
// User fills in feedback form
?>
<form action="<?php echo $PHP_SELF ?>" method="POST">
Name: <input type="text" name="name" value="<?php echo $$n_name
?>"><br>
Email: <input type="text" name="email" value="<?php echo $$n_email
?>"><br>
Feedback:<br>
<textarea name="feedback" wrap=virtual cols=40 rows=5>
</textarea>
<br>
<!-- Submit button -->
<input type=submit value="Submit" name="sfeedback">
</form>
<?php echo $tail ?>
Warning: Cannot add header information - headers already sent by
(output started at C:\WebShare\wwwroot\last\cookie.php:59) in
C:\WebShare\wwwroot\last\cookie.php on line 75
Warning: Cannot add header information - headers already sent by
(output started at C:\WebShare\wwwroot\last\cookie.php:59) in
C:\WebShare\wwwroot\last\cookie.php on line 76
Warning: Cannot add header information - headers already sent by
(output started at C:\WebShare\wwwroot\last\cookie.php:59) in
C:\WebShare\wwwroot\last\cookie.php on line 83
what' wrong?
thanks!
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