safechat/html/get.php

<?php
/*! @file

    @id $Id$
*/
//       1         2         3         4         5         6         7         8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890


/// Get new messages
/** Get all messages that are newer than @c $start.

    @param $start Number of message to start with.
    @return json encoded array of messages:
       @code
           [
             {
               id: message-id,
               time: unix-time-stamp,
               user: 'sender's user name',
               msg: 'armored and encrypted message as string'
             }, ...
           ]
       @endcode

    @api Get New Messages
*/
function get($start) {
  try {
    require_once("opendb.php");
    $start = $db->real_escape_string($start);
    $q = $db->query("select id, UNIX_TIMESTAMP(time) as time, user, msg from message where id>$start;");
    if ($q) echo json_encode($q->fetch_all(MYSQLI_ASSOC));
    else echo json_encode(null);
  } catch (Exception $e) {
    echo json_encode(null);
  }
}
get($_REQUEST['start']);
?>