aws php sdk list all instances in all regions

gistfile1.aw

<?php
        error_reporting(0);
        header("Content-type: text/html; charset=utf-8");
        require_once '../sdk.class.php';
        $ec2 = new AmazonEC2();
        $response = $ec2->describe_regions();
        foreach ($response->body->regionInfo->item as $item) {
                $region_endpoint = (string) $item->regionEndpoint;
                $region_name = (string) $item->regionName;
                $ec2->set_hostname($region_endpoint);
                $response2 = $ec2->describe_instances();
                foreach ($response2->body->reservationSet->item as $item) {
                        $instanceId = (string) $item->instancesSet->item->instanceId;
                        $privateIpAddress = (string) $item->instancesSet->item->privateIpAddress;
                        $ipAddress = (string) $item->instancesSet->item->ipAddress;
                        $instanceType = (string) $item->instancesSet->item->instanceType;
                        $architecture = (string) $item->instancesSet->item->architecture;
                        $tag_machine_type = $tag_deployment = $tag_name = "";
                        foreach ($item->instancesSet->item->tagSet->item as $tags) {
                                if ($tags->key == "MachineType") {
                                        $tag_machine_type = (string) $tags->value;
                                }
                                if ($tags->key == "Deployment") {
                                        $tag_deployment = (string) $tags->value;
                                }
                                if ($tags->key == "Name") {
                                        $tag_name = (string) $tags->value;
                                }
                        }
                        print ("$instanceId|$region_name|$tag_name|$tag_deployment|$tag_machine_type|$privateIpAddress|$ipAddress|$instanceType|$architecture\n");
                }
        }
?>