Faire un chat

<?php

header("refresh: 30; url=chat.php");

if(isset($_POST['sub']))

{

$ins = 'INSERT INTO message VALUES(\'\',\''.$_SESSION['pseudo'].'\', \''.mysql_real_escape_string($_POST['message']).'\',  NOW())';

$req_ins = mysql_query($ins) or die(mysql_error());

}

$sql = 'SELECT text,pseudo,date FROM message ORDER BY date DESC';

$req = mysql_query($sql) or die(mysql_error());

while($data = mysql_fetch_array($req))

{

echo '['.$data['date'].'] <'.$data['pseudo'].'> '.$data['text'].'<br/>';

}



echo '<form method="post">';

echo '<input type="text" name="message" size="150" />';

echo '<input type="submit" name="sub" value="Envoyer" /></form>';



?>