<?php
/**
* AJAX form submission, practical example
*
* @category HTML
* @package AJAX
* @author Arpad Ray <arpad@php.net>
* @copyright 2005 Arpad Ray
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @version Release: 0.5.8
* @link http://pear.php.net/package/HTML_AJAX
*/
define('MESSAGE_FILE', 'messages.txt');
$messages = (is_readable(MESSAGE_FILE) ? unserialize(file_get_contents(MESSAGE_FILE)) : array());
function show_messages()
{
foreach ($GLOBALS['messages'] as $m) {
echo "<br>Name:{$m[0]}<br>Message:{$m[1]}<br><hr>";
}
}
function save_messages()
{
if ($h = @fopen(MESSAGE_FILE, 'wb')) {
$GLOBALS['messages'] = array_slice($GLOBALS['messages'], -5);
fwrite($h, serialize($GLOBALS['messages']));
fclose($h);
}
}
if (!empty($_POST)) {
if (!empty($_POST['name']) && !empty($_POST['message'])) {
$messages[] = array(
htmlspecialchars(strip_tags(substr($_POST['name'], 0, 10))),
htmlspecialchars(strip_tags(substr($_POST['message'], 0, 30)))
);
save_messages();
}
show_messages();
exit;
}
?><html>
<head>
<script type="text/javascript" src="server.php?client=all&stub=all"></script>
</head>
<body>
<h1>Messages:</h1>
<div id="target">
<?php show_messages(); ?>
</div>
<form action="shoutbox.php" method="post" onsubmit="return !HTML_AJAX.formSubmit(this, 'target')">
<label>
Name:
<input type="text" name="name" id="name" />
</label>
<label>
Message:
<input type="text" name="message" id="message" />
</label>
<input type="submit" value="Submit" />
</form>
</body>
</html>
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