CSC220 Cookie Example
--D. Thiebaut 13:57, 15 November 2010 (UTC)
<?php
// cookie.php
// D. Thiebaut
// a program installing a cookie on the user's computer
// and reminding him/her of the number of visits he/she
// has made to the page.
//
//--- if no cookies yet, create one with an expiration of 30 sec ---
if ( empty( $_COOKIE[ '220class' ] ) ) {
setcookie( "220class", "1", time()+30 );
$count = 1;
}
//--- else, increment the cookie counter, with an expiration of 30 sec ---
else {
$count = intval( $_COOKIE[ '220class' ] );
$count++;
setcookie( "220class", "$count", time()+30 );
}
?>
<html>
<head>
</head>
<body>
<h1>cookie example</h1>
<?php printf( "(<a href=\"%s\">Source</a>)", str_ireplace( ".php", ".txt", $_SERVER[ 'PHP_SELF' ] )); ?>
<p>Hello! This is your
<?
// $count set to 1 or read from $_COOKIE[]
switch ( $count ) {
case 1: print "first visit"; break;
case 2: print "second visit"; break;
case 3: print "third visit"; break;
case 21: print "21st visit"; break;
case 22: print "22nd visit"; break;
case 23: print "23rd visit"; break;
default: print "${count}th visit";
}
print '<P>$_COOKIE as found by the browser: <pre>';
print_r( $_COOKIE );
print "\n\n";
?>
</body>
</html>
</pre></code>
