function addMessageForUser($username, $message)
{
$currentMessages = loadAllMessagesForUsername($username);
$newMessageObject = array('message' => $message, 'ts' => time());
array_unshift($currentMessages, $newMessageObject);
// php has an odd way of prepending to an array
return file_put_contents(messageFilenameForUsername($username), json_encode($currentMessages));
}
<?php
include '../shared/shared.php';
$lastRequestDate = $_GET['lastRequestDate'];
$username = $_GET['username'];
$messages = loadAllMessagesForUsername($username);
if ($messages !== FALSE) {
$outputMessages = array();
foreach ($messages as $message) {
if ($message->ts > $lastRequestDate) {
$outputMessages[] = $message;
}
}
header('Content-Type: application/json');
print json_encode($outputMessages);
} else {
header("Status: 404 Not Found");
}
