index.php

<?php
//round 1
$json_file = file_get_contents('http://finance.yahoo.com/webservice/v1/symbols/allcurrencies/quote?format=json');
$data = json_decode($json_file);
$i=0;
var_dump($json_file);

echo "~~~~~~~~~~~~~~~~~~~~~~~~~~<br/>";
//round 2
$xml_file = simplexml_load_file('http://aiweb.cs.washington.edu/research/projects/xmltk/xmldata/data/mondial/mondial-3.0.xml');
$i=1;
var_dump($xml_file);