web/public/race/configure/reset.php

<?php $app = require '../../../app/inc.php';
/**
 * Resets team counters and removes all time records
 */

use App\Teamtable\Team;
use App\Teamtable\TeamMapper;
use App\Timetable\Time;
use App\Timetable\TimeMapper;

$confirm = filter_input(INPUT_GET, 'confirm', FILTER_VALIDATE_BOOLEAN);

if (!$confirm)
{
    $app->view('template/header', ['title' => 'Nullstill runder']);
    $app->view('pages/race/configure/reset');
    $app->view('template/footer');
    die();
}

$team_mapper = new TeamMapper($app->database->conn);
$time_mapper = new TimeMapper($app->database->conn);

// reset counters for all teams
$teams = $team_mapper->getAll();

foreach ($teams as $key => $team)
{
    $team->setRounds(0);
    $team->best_time = NULL;
    $team_mapper->update($team);
}

// delete all time records
$times = $time_mapper->getAll();

foreach ($times as $key => $time)
{
    $time_mapper->delete($time->id);
}

$app->session->flash("Runder er nullstilt", "success");
$app->redirect("index.php");