public function testGetVersion()
{
$ip4 = new IPAddress('127.0.0.1');
$this->assertSame(IPAddressVersion::IPV4(), $ip4->getVersion());
$ip6 = new IPAddress('::1');
$this->assertSame(IPAddressVersion::IPV6(), $ip6->getVersion());
}
/**
* Returns the version (IPv4 or IPv6) of the ip address
*
* @return IPAddressVersion
*/
public function getVersion()
{
$isIPv4 = filter_var($this->toNative(), FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
if (false !== $isIPv4) {
return IPAddressVersion::IPV4();
}
return IPAddressVersion::IPV6();
}