public function testGetType()
{
$this->assertEquals('NULL', getType(null));
$this->assertEquals('boolean', getType(true));
$this->assertEquals('integer', getType(1));
$this->assertEquals('double', getType(1.0));
$this->assertEquals('array', getType([]));
$this->assertEquals('string', getType('hello world'));
$this->assertEquals('stdClass', getType(new \StdClass()));
}