Mini-Chat Tutorial
(Page 1 of 4 )
This tutorial is about my mini-chat script. It's not really a chat, since dialogs are updated only when page refreshes. It is the first tutorial of a series for some development techniques. Right now, I will focus on explaining how I managed the building of this mini-chat.
By : greggory
First thing to ask is what is chatting? So what do I need to Code? Basicly, a chat is a set of messages posted by someone, and in the order they've been posted. So we can write a first form, having two fields 'login' and 'message'. Then, we have to append it to a file, or better, a database. The details for the form syntax may be found in Matt's Tutorial.
<html>
<head>
<title>Mini Chat Sample</title>
</head>
<body>
<form method="post"><br>
Login:<input type="text" name="login" size="6"><br>
Message:<input type="text" name="message" size="10"><br>
<input type="submit" value="Send"><br>
</form>
</body>
</html> |
We also need, of course, the DB schema and a function to insert to message.
<?php
/*
CREATE TABLE MINICHAT (
LOGIN varchar(20) NOT NULL default '',
MESSAGE varchar(255) NOT NULL default '',
ITSTIME varchar(10) NOT NULL default ''
);
*/
// Add message into minichat
function addMessage( $login, $message ) {
$login = mysql_escape_string( strip_tags( $login ) );
$message = mysql_escape_string( strip_tags( $message, '<a><b><i><u>') );
mysql_query( "INSERT INTO MINICHAT ( ITSTIME, LOGIN, MESSAGE ) VALUES ( "'".time()."', '".$login."','".$message."' )");
}
// Message Posted ?
if ( isset( $_POST['msg'] )) {
addMessage( $_POST['login'], $_POST['msg'] );
}
?> |
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