Length does come into play. Copyright is about creativity. If there is no creativity there is no copyright. A code snippet that is too short probably doesn't ha

Length does come into play. Copyright is about creativity. If there is no creativity there is no copyright. A code snippet that is too short probably doesn't have enough creativity for it to be copyrightable. If you wrote some code and then registered it so it has a date. It will be difficult for someone who wrote the exact same code, later, to prove it wasn't copied.