le-pere-noel-secret/public/index.php

<?php

require __DIR__.'/../etc/config.php';
require __DIR__.'/../etc/database.php';

$_ = [
    'canPlay' => false,
    'player' => null,
];

$personRequested = (string) ($_GET['p'] ?? '');

foreach ($persons as $hash => $person) {
    if ($personRequested === (string) $hash) {
        $_['player'] = $person;
        $_['hash'] = $personRequested;
    }
}

if ($_['player']) {
    $_['result'] = getData('result.'.$_['player']);
    $_['canPlay'] = empty($_['result']);

    $in = getData('in', $persons);
    $out = getData('out', []);

    if ($_['canPlay'] && isset($_GET['go'])) {
        $result = null;

        while ($result === null) {
            $key = array_rand($in);
            $value = $in[$key];
            $ok = $value !== $_['player'];

            foreach ($restrictions as $restriction) {
                if (in_array($value, $restriction) && in_array($_['player'], $restriction)) {
                    $ok = false;
                }
            }

            if ($ok) {
                $result = $value;
                setData('result.'.$_['player'], $result);

                unset($in[$key]);
                $out[] = $value;
                $_['canPlay'] = false;
                $_['result'] = $result;
            }
        }

        setData('in', $in);
        setData('out', $out);
        saveDatabase();
    }
}

require __DIR__.'/../template/index.php';