public function testParameterTypes(array $arg1, \stdClass $arg2, Testparameter $arg3)
{
if (!is_array($arg1)) {
throw new \InvalidArgumentException('arg1 must be an array!');
}
if (!is_object($arg2)) {
throw new \InvalidArgumentException('arg2 must be an object!');
}
if (!$arg3 instanceof Testparameter) {
throw new \InvalidArgumentException('arg2 must be an object!');
}
return $arg3->getA() . $arg3->getB() . $arg3->getC();
}
