PS:
$sql = "select * from proof_you_didnt_lie where answer is not NULL";
Is that how databases work?
Fool. You and your project are under the gun already. Lies ain't helping your case much.
But inexperienced children often have no idea how to act. Right? I could excuse you on that alone, but you asked to play with the big boys.
For the record I administered my first database professionally in 1987. So like, how much not-even-born-yet were you then, again?