PHP/Cookie Session/ COOKIE
Содержание
Checking for Cookie Support from PHP
<source lang="html4strict">
<?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!";
}
}
?>
</source>
Get Cookie Data
<source lang="html4strict">
<?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>
Hello <?php echo( $user ); ?>!
</body>
</html>
</source>
Printing a cookie value
<source lang="html4strict">
<? print "Hello, " . $_COOKIE["userid"]; ?>
</source>
Reading a cookie value
<source lang="html4strict">
<?php if (isset($_COOKIE["flavor"])) {
print "You ate a {$_COOKIE["flavor"]} cookie.";
} ?>
</source>
Reading all cookie values
<source lang="html4strict">
<?php foreach ($_COOKIE as $cookie_name => $cookie_value) {
print "$cookie_name = $cookie_value
";
} ?>
</source>
Setting and Printing a Cookie Value
<source lang="html4strict">
<?php
setcookie( "vegetable", "artichoke", time()+3600, "/","wbex.ru", 0 );
?>
<html>
<head>
<title>Setting and Printing a Cookie Value</title>
</head>
<body>
<?php
if ( isset( $_COOKIE["vegetable"] ) ) {
print "Hello again, your chosen vegetable is "; print "{$_COOKIE["vegetable"]}
";} else {
print "Hello you. This may be your first visit
";} ?> </body> </html> </source>
Still Logged In with cookie
<source lang="html4strict">
<?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>
</source>
