json

<?php

$gpx = simplexml_load_file("PUNTOS.GPX");

$i=0;

foreach ($gpx->rte->rtept as $pt) {

	$i++;

    $lat = (string) $pt['lat'];
    $lon = (string) $pt['lon'];
    $ele = (string) $pt->ele;
    $name = (string) $pt->name;

  	echo '{"latitud": '.$lat.',';
  	echo '"longitud": '.$lon.'},';

}

//echo $i;

unset($gpx);


?>