public function isAvailable() : bool;
public function warehouses() : array;
}
class Foo implements Product
{
public function name() : string
{
return 'FooProduct';
}
public function ammount() : int
{
return 15;
}
public function isAvailable() : bool
{
return $this->ammount > 0;
}
public function warehouses() : array
{
return ['PL', 'DE', 'CZ'];
}
}
class ProductFactory
{
public static function fromName($name) : Product
{
return new $name();
}
}
$fooProduct = ProductFactory::fromName('Foo');
echo $fooProduct->name() . ', ammount = ' . $fooProduct->ammount();
