過去のメッセージ:
<?php
session_set_cookie_params(0, '/~okumura/');
session_start();
?>
……
<form action="ses1.php" method="post">
<p>メッセージ: <input name="msg"></p>
</form>
<?php
if (!isset($_SESSION['msgs'])) {
$_SESSION['msgs'] = '';
}
if (isset($_POST['msg'])) {
$_SESSION['msgs'] .= $_POST['msg'] . "\n";
}
if (isset($_SESSION['msgs'])) {
echo "<p>過去のメッセージ:</p>\n";
echo "<pre>\n";
echo htmlspecialchars($_SESSION['msgs']);
echo "</pre>\n";
}
?>
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