protected function getFtNtsSubrecord($guid = null)
{
$length = 0x16;
$header = pack("vv", 0xd, $length);
$guid = is_null($guid) ? Utils::generateGuid() : $guid;
$data = pack('H*', $guid);
$fSharedNote = 0;
//not shared
$data .= pack('v', $fSharedNote);
//reserved
$data .= pack('vv', 0x10, 0);
return $header . $data;
}
public function testGuids()
{
$guid = Utils::generateGuid();
$this->assertEquals(32, strlen($guid), 'GUID mus be 32 chars long');
$this->assertNotSame($guid, Utils::generateGuid(), 'Every new GUID must be unique');
}