Loop through dns records on account, storing them in 'zones/$domain.tld.db'

dns.php

<?php
/*
This script will take all dns records on a SoftLayer account and create a dns zone file for them in the 'zones' subdirectory. If this subdirectory does not exist, it will be created.

If single_use is set to true, you can supply your API Username and Key as arguments to the script. single_use also assumes that it is in the same directory as the SoftLayer folder from the PHP API Client. If single_use is false, it will draw from a file in the 'configuration' subdirectory named apiconfig.php, which should define apiUsername, apiKey, and the path to the SoapClient.class.php file.
*/

$single_use = true;
if ($single_use) {
	require_once('SoftLayer/SoapClient.class.php');
	$apiUsername = readline("API User: ");
	$apiKey = readline("API Key: ");
	}
else {
	require_once('configuration/apiconfig.php');
	}

//Create connection to the SoftLayer_Account API Service.
$client = SoftLayer_SoapClient::getClient('SoftLayer_Account', null, $apiUsername, $apiKey);

//Set an Object Mask to return domain information.
$dnsMask = new SoftLayer_ObjectMask();
$dnsMask = 'mask[domains[id,name]]';
$client->setObjectMask($dnsMask);
$dnslist = $client->getObject();

/*
  Loop through the array we got back from SoftLayer_Account, and for each domain, create a zonefile in the 'zones' sudir with the following format:
  'zones/<domain name>.db' - This should be easy enough to drop into a cpanel server, as it contains zone information formatted as a standard zone file.
*/
if (!is_dir('zones')){
	mkdir('zones');
	}
foreach ($dnslist->domains as $domainlist) {

	$zones = SoftLayer_SoapClient::getClient('SoftLayer_Dns_Domain', $domainlist->id, $apiUsername, $apiKey);
	$zonefile = $zones->getZoneFileContents();
	echo "Creating zone file for " . $domainlist->name . " in 'zones/" . $domainlist->name . ".db'\n\r";	
	$f = fopen("zones/" . $domainlist->name . ".db", "w");
	fwrite ($f, $zonefile);
	fclose($f);
	}

?>