- substr: documentation ( source)
- strstr: documentation ( source)
- strrchr: documentation ( source)
<?php
$url = 'http://download.geofabrik.de/openstreetmap/europe/andorra.osm.pbf';
$file = substr(strrchr($url,'/'), 1);
$name = strstr($file, '.', true);
echo $file;
echo $name;