lib/AmazonSNS.php
public function createTopic($name) {
		if(empty($name)) {
			throw new InvalidArgumentException('Must supply a Name to create topic');
		}

		$resultXml = $this->_request('CreateTopic', array('Name' => $name));

		return strval($resultXml->CreateTopicResult->TopicArn);
	}
public function createTopic($name) {
		if(empty($name)) {
			throw new InvalidArgumentException('Must supply a Name to create topic');
		}

		$resultXml = $this->_request('CreateTopic', array('Name' => $name));

		return strval($resultXml->CreateTopicResult->TopicArn);
	}
Create an SNS topic

@link http://docs.amazonwebservices.com/sns/latest/api/API_CreateTopic.html
@param string $name
@return string - TopicARN
@throws InvalidArgumentException