PHP/Cookie Session/ COOKIE — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
| |
Текущая версия на 07:01, 26 мая 2010
Содержание
Checking for Cookie Support from PHP
<?php
if(!isset($_GET["testcookie"])) {
setcookie("testcookie", "test value");
header("Location: {$_SERVER["PHP_SELF"]}?testcookie=1");
exit;
} else {
if(isset($_COOKIE["testcookie"])) {
setcookie("testcookie");
echo "You have cookies enabled";
} else {
echo "You do not support cookies!";
}
}
?>
Get Cookie Data
<?php
$user = $_COOKIE["firstname"];
$color = $_COOKIE["fontcolor"];
?>
<html>
<head>
<title>Get Cookie Data</title>
<style type = "text/css">
body { color: <?php echo( $color ); ?> }
</style>
</head>
<body>
<h1>Hello <?php echo( $user ); ?>! </h1>
</body>
</html>
Printing a cookie value
<?
print "Hello, " . $_COOKIE["userid"];
?>
Reading a cookie value
<?php
if (isset($_COOKIE["flavor"])) {
print "You ate a {$_COOKIE["flavor"]} cookie.";
}
?>
Reading all cookie values
<?php
foreach ($_COOKIE as $cookie_name => $cookie_value) {
print "$cookie_name = $cookie_value <br/>";
}
?>
Setting and Printing a Cookie Value
<?php
setcookie( "vegetable", "artichoke", time()+3600, "/","wbex.ru", 0 );
?>
<html>
<head>
<title>Setting and Printing a Cookie Value</title>
</head>
<body>
<?php
if ( isset( $_COOKIE["vegetable"] ) ) {
print "<p>Hello again, your chosen vegetable is ";
print "{$_COOKIE["vegetable"]}</p>";
} else {
print "<p>Hello you. This may be your first visit</p>";
}
?>
</body>
</html>
Still Logged In with cookie
<?php
$auth = $_COOKIE["auth"];
header( "Cache-Control:no-cache" );
if( ! $auth == "ok" )
{
header("Location:login.php" );
exit();
}
?>
<html>
<head>
<title>Still Logged In</title>
</head>
<body>
You are still logged in ...
</body>
</html>