SRSLY AMZN?

function    findTestInstances() {

	$testInstances = array();

	$ec2 = new AmazonEC2();

	//$ec2->set_region(AmazonEC2::REGION_SYDNEY);
	$ec2->set_region('ec2.ap-southeast-2.amazonaws.com');


	// Get the hostname from a call to the DescribeImages operation.
	$response = $ec2->describe_instances(/*array(
			'Filter' => array(
				array('Name' => 'Name',
					  'Value' => 'Testing',
				),
			)
		)*/);

	if ($response->isOK() == FALSE) {
		throw new ExternalAPIFailedException("Failed to list running instances.");
	}

	//$reservationSetArray = $response->body->reservationSet->to_array();

	$reservationSetArray = $response->body->toSaneArray();

	//$array = $response->body->GetAttributesResult->to_array();

	//var_dump($reservationSetArray);

	foreach ($reservationSetArray['reservationSet'] as $reservationSetList) {

		if(array_key_exists('instancesSet', $reservationSetList) == TRUE){
			//Amazon return 1 item as $item, multiple items as array($item1, $item2)
			$reservationSetList = array($reservationSetList);
		}

		foreach($reservationSetList as $instanceInfoArray){

			foreach($instanceInfoArray['instancesSet'] as $instance){

				if(isset($instance['tagSet']['item']) == FALSE){
					continue;
				}

				if($instance['tagSet']['item'] == NULL){
					continue;
				}

				if(is_array($instance['tagSet']) == TRUE){
					foreach($instance['tagSet'] as $tagItem){

						if(array_key_exists('key', $tagItem) == TRUE){
							//echo "key ".$tagItem['key']." value ".$tagItem['value']."\r\n";
							if ($tagItem['key'] == 'Name' && $tagItem['value'] == 'Testing') {
								if ($instance['instanceState']['name'] == 'running') {
									$testInstances[] = $instance['instanceId'];
								}
							}

						}
						else{
							foreach($tagItem as $tag){
								//echo "key ".$tag['key']." value ".$tag['value']."\r\n";
								if ($tag['key'] == 'Name' && $tag['value'] == 'Testing') {
									if ($instance['instanceState']['name'] == 'running') {
										$testInstances[] = $instance['instanceId'];
									}
								}
							}
						}
					}
				}
				else{
					$tagItem = $instance['tagSet']['item'];
					echo "key ".$tagItem['key']." value ".$tagItem['value']."\r\n";
				}
				//echo "hms";
			}
		}
	}


		/*
		$instance = $reservationSet->instancesSet->item;

		echo "Dump instance tagset******************************\r\n";
		var_dump($instance->tagSet);
		echo "Dump instance tagset******************************\r\n";

		$tagInfo = NULL;
		if (isset($instance->tagSet->item) == TRUE) {
			$tagInfo = $instance->tagSet->item;
		}

		if ($tagInfo == NULL) {
			continue;
		}


		if(is_array($tagInfo) == FALSE){
			echo get_class($tagInfo);
			echo "so what is it? ";
			var_dump($tagInfo);
		}

		if (is_array($tagInfo) == TRUE) {
			foreach ($tagInfo as $tag) {
				if ($tag->key == 'Name' && $tag->value == 'Testing') {
					$instanceStateName = (string)$instance->instanceState->name;
					if ($instanceStateName == 'running') {
						$testInstances[] = (string)$instance->instanceId;
					}
				}
			}
		}
		else {
			$tag = $tagInfo->item;

			if (isset($tag->key) && isset($tag->value)) {
				if ($tag->key == 'Name' && $tag->value == 'Testing') {
					$instanceStateName = (string)$instance->instanceState->name;
					if ($instanceStateName == 'running') {
						$testInstances[] = (string)$instance->instanceId;
					}
				}
			}*/
//		}

	//}


	return $testInstances;
	//var_dump();
}