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The below code is a simple example of Cookies.
Once the cookie is set, you may read the cookie by accessing cookie2.php for up to 24 hours. After that, the cookie will expire.
To see the example at work, please review:
http://www.xn--ovg.com/cookie <-- set cookie
http://www.xn--ovg.com/cookie/getcookie.php <-- read cookie
tedd
--- copy below and save as cookie1.php -----
| <?php
$user = $_POST['user'];
$color = $_POST['color'];
$self = $_SERVER['PHP_SELF'];
if( ( $user != null ) and ( $color != null ) )
{
setcookie( "firstname", $user , time() + 86400 ); // 24 hours
setcookie( "fontcolor", $color, time() + 86400 );
header( "Location:cookie2.php" );
exit();
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=ISO-8859-1">
<title>Stuff by tedd</title>
</head>
<body>
<h1>tedd's cookie stuff</h1>
<hr>
<form action ="<?php echo( $self ); ?>" method = "post">
Please enter your first name:
<input type = "text" name = "user"><br><br>
Please choose your favorite font color:<br>
<input type = "radio" name = "color" value = "Red">Red
<input type = "radio" name = "color" value = "Green">Green
<input type = "radio" name = "color" value = "Blue">Blue
<br><br>
<input type = "submit" value = "submit">
</form>
<br/>
<hr>
</body>
</html>
</html> | |
--- copy below and save as cookie2.php -----
| <?php
if (isset($_COOKIE['firstname']))
{
$user = $_COOKIE['firstname'];
$color= $_COOKIE['fontcolor'];
}
else
{
$user = $_POST['user'];
$color = $_POST['color'];
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=ISO-8859-1">
<title>Stuff by tedd</title>
</head>
<body>
<h1>tedd's show cookie stuff</h1>
<hr>
<h2>Hello: <?php echo( $user ); ?> </h2>
<h2>Your color: <?php echo( $color ); ?> </h2>
<hr>
<br/>
<?php
// Another way to debug/test is to view all cookies
echo ("<br/>");
echo ("<pre>");
echo ("Cookie info:\n");
print_r($_COOKIE);
echo("</pre>");
?>
<p>
<a><input type="button" value="back" onclick="history.go(-1)"></a>
</p>
</body>
</html> | |
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