How to hit a url and download its xml using php

I tried everything to get the xml from the url, even smottt idea from PHP How to hit a url and download its xml , but didnt work for me.

my scenario;

URL that generates Dollar Exchange Rates:

http://ift.tt/1M33Xep

Here: YY MM DD are the starting date and YY1 MM1 DD1 are the ending date of report. I believe , it generates an xml in unix time of Kathmandu, Asia. Everytime and second seperate xml file name.

Searched internet but nothing,

I want to display the result of xml in a page using php either by downloading the xml from the given url to my localhost folder or directly from web.

please help.

Thanks in Advance