Learn to build a chat system into your Web application with Asynchronous JavaScript™ + XML (Ajax) and PHP. Your customers can talk to you and to each other about the content of the site without having to download or install any special instant-messaging software.
While not exactly Meebo, the tutorial does provide the foundation for building your own little chat app and uses the powerful Prototype library for it is client-side code.
Here is some of the code that Jack listed in the tutorial. The full code for the tutorial can be found here.
PLAIN TEXT
LANGUAGE:
<?php
if ( array_key_exists( username, $_POST ) ) {
$_SESSION[user] = $_POST[username];
}
$user = $_SESSION[user];
?>
<html>
<head><title><?php echo( $user ) ?> - Chatting</title>
<script src="prototype.js"></script>
</head>
<body>
<div id="chat" style="height:400px;overflow:auto;">
</div>
<script>
function addmessage()
{
new Ajax.Updater( chat, add.php,
{
method: post,
parameters: $(chatmessage).serialize(),
onSuccess: function() {
$( amessagetext).value = ;
}
} );
}
</script>
<form id="chatmessage">
<textarea name="message" id="messagetext">
</textarea>
</form>
<button onclick="addmessage()">Add</button>
<script>
function getMessages()
{
new Ajax.Updater( chat, amessages.php, {
onSuccess: function() { window.setTimeout( getMessages, 1000 ); }
} );
}
getMessages();
</script>
</body>
</html>
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