<?php
require_once 'includes.php';
$gpsdata = array();
$gpsActualizationDate = 0;
function LoadGps()
{
    global $gpsActualizationDate, $gpsdata, $db;
    $gpsdata = $db->query("select * from tracking order by Id DESC limit 1000");
    $gpsActualizationDate = time();
    return $gpsdata;
}
function GetGps()
{
    global $gpsActualizationDate, $gpsdata;
    if (time() - $gpsActualizationDate > 1 )
    {
        return LoadGps();
    }
    return $gpsdata;
}
function GetTrack($track)
{
    global $db;
    return $db->query("select * from tracking where TrackId = $track");
}