Moving markers (UBER-style markers) Featured Streetmap

<body>
<?php
include_once('php/phpstreetmaps.php');
$myMap = new PhpStreetmaps();
$myMap->setLatitude(37.803); $myMap->setLongitude(-122.4167); $myMap->setSizeWidth("100%"); $myMap->setSizeHeight("100%"); $myMap->setZoom(15); $myMap->setStyle("mapbox.light");
$myMap->setMode("moving");
$myMap->setMovingMarkersUrl("/markersdata.php");
$myMap->setMovingMarkersFreq(30*60*1000);
$myMap->render();    
?>
</body>