src/Ovh/Ip/IpClient.php
public function setReverseProperties($ipblock,$ip,$reverse)
    {
		if (!$ipblock)
			throw new BadMethodCallException('Parameter $ipblock is missing.');
		if (!$ip)
			throw new BadMethodCallException('Parameter $ip is missing.');
	//	if (!$reverse)
	//		throw new BadMethodCallException('Parameter $reverse is missing.');
	//	if (inet_pton($ip) !== false)
	//		throw new BadMethodCallException('Parameter $ip is invalid.');
	//	if (substr($reverse, -1) != ".")
	//		throw new BadMethodCallException('Parameter $reverse must end in ".".');
		$payload = array(
			'ipReverse' => $ip, 
			'reverse' => $reverse
		 );
        try {
            $r = $this->post('ip/' . urlencode($ipblock) . '/reverse', array('Content-Type' => 'application/json;charset=UTF-8'), json_encode($payload))->send();
        } catch (\Exception $e) {
            throw new IpException($e->getMessage(), $e->getCode(), $e);
        }
        return $r->getBody(true);
    }
public function setReverseProperties($ipblock,$ip,$reverse)
    {
		if (!$ipblock)
			throw new BadMethodCallException('Parameter $ipblock is missing.');
		if (!$ip)
			throw new BadMethodCallException('Parameter $ip is missing.');
	//	if (!$reverse)
	//		throw new BadMethodCallException('Parameter $reverse is missing.');
	//	if (inet_pton($ip) !== false)
	//		throw new BadMethodCallException('Parameter $ip is invalid.');
	//	if (substr($reverse, -1) != ".")
	//		throw new BadMethodCallException('Parameter $reverse must end in ".".');
		$payload = array(
			'ipReverse' => $ip, 
			'reverse' => $reverse
		 );
        try {
            $r = $this->post('ip/' . urlencode($ipblock) . '/reverse', array('Content-Type' => 'application/json;charset=UTF-8'), json_encode($payload))->send();
        } catch (\Exception $e) {
            throw new IpException($e->getMessage(), $e->getCode(), $e);
        }
        return $r->getBody(true);
    }
Set ReverseProperties - returns information about the specific IP Reverse

@param string $ipBlock
@param string $ip
@return string Json
@throws Exception\IpException
@throws Exception\IpNotFoundException