<?php
 
 require_once('phaxio_config.php');
 require_once('autoload.php');
 
 $faxId = 1234;
 $outfile = "/tmp/out.pdf";
 
 $phaxio = new Phaxio($apiKeys[$apiMode], $apiSecrets[$apiMode], $apiHost);
 
 file_put_contents($outfile, $phaxio->retriveFaxFile($faxId)->body);