hallernsk/php-project-lvl1

<?php

namespace BrainGames\games\prime;

use function BrainGames\games\runGame;

use const BrainGames\games\NUM_OF_ROUNDS;

function isPrime($num)
{
    if ($num < 2) {
        return false;
    }
    for ($i = 2; $i <= sqrt($num); $i++) {
        if ($num % $i === 0) {
            return false;
        }
    }
    return true;
}

function run()
{
    $task = 'Answer "yes" if given number is prime. Otherwise answer "no".';
    $questionsAnswers = [];
    for ($i = 0; $i < NUM_OF_ROUNDS; $i++) {
        $num = mt_rand(1, 100);
        $question = (string) $num;
        $correctAnswer = isPrime($num) ? "yes" : "no";
        $questionsAnswers[$i] = [$question, $correctAnswer];
    }
    runGame($task, $questionsAnswers);
}