src/games/prime.php
<?php
namespace BrainGames\games\prime;
use function BrainGames\play\starGame;
const DESCRIPTION = "Answer 'yes' if given number is prime. Otherwise answer 'no'.";
function isPrime($number)
{
if ($number < 2) {
return false;
}
for ($i = 2; $i <= $number / 2; $i++) {
if ($number % $i === 0) {
return false;
}
}
return true;
}
function primeGame()
{
$getGameData = function () {
$question = rand(1, 113);
$correctAnswer = (isPrime($question)) ? "yes" : "no";
return [$correctAnswer, $question];
};
starGame($getGameData, DESCRIPTION);
}