<?php
session_start ();
?>
<form method="POST" action="./form.php">
<input type="password" name="p03"></input>
<input type="submit"></input>
<form>
<?php
setcookie ("c03", "c03", time () + 3600);
echo session_id () . "<br>\n";
echo htmlentities ($_COOKIE ["c03"]) . "<br>\n";
echo htmlentities ($_COOKIE ["c03a"]) . "<br>\n";
echo htmlentities ($_POST ["p03"]) . "<br>\n";
session_destroy ();
?>