UIkit Car Rental Form - Step Accordion form

Car Rental Form
Main rental informations

Pick up location ^*
Pick-up Date
Pick-up Time
Drop off location ^*
Drop-off Date
Drop-off Time
Extras

With
GPS navigation system
Booster
Child safety seat
Additional driver
Additional Requests
Personal informations

Full Name ^*
E-Mail ^*
Phone Number ^*
Enter a valid US phone number
<?php

use phpformbuilder\Form;
use phpformbuilder\Validator\Validator;

/* =============================================
    start session and include form class
============================================= */

session_start();
include_once rtrim($_SERVER['DOCUMENT_ROOT'], DIRECTORY_SEPARATOR) . '/phpformbuilder/Form.php';

/* =============================================
    validation if posted
============================================= */

if ($_SERVER["REQUEST_METHOD"] == "POST" && Form::testToken('car-rental-form') === true) {
    // create validator & auto-validate required fields
    $validator = Form::validate('car-rental-form');

    // additional validation
    $validator->email()->validate('user-email');

    // check for errors
    if ($validator->hasErrors()) {
        $_SESSION['errors']['car-rental-form'] = $validator->getAllErrors();
    } else {
        $email_config = array(
            'sender_email'    => 'contact@phpformbuilder.pro',
            'sender_name'     => 'Php Form Builder',
            'recipient_email' => addslashes($_POST['user-email']),
            'subject'         => 'Php Form Builder - Car Rental Form',
            'filter_values'   => 'car-rental-form'
        );
        $sent_message = Form::sendMail($email_config);
        Form::clear('car-rental-form');
    }
}

/* ==================================================
    The Form
================================================== */

$form = new Form('car-rental-form', 'horizontal', 'data-accordion=true,novalidate', 'uikit');
$form->setMode('development');

/* Accordion First part
-------------------------------------------------- */

$form->addHeading('Main rental informations');
$form->startFieldset();

// Locations lists
$locations = array(
    'Alabama',
    'Alaska',
    'Arizona',
    'Arkansas',
    'California',
    'Colorado',
    'Connecticut',
    'Delaware',
    'District of Columbia',
    'Florida',
    'Georgia',
    'Hawaii',
    'Idaho',
    'Illinois',
    'Indiana',
    'Iowa',
    'Kansas',
    'Kentucky',
    'Louisiana',
    'Maine',
    'Maryland',
    'Massachusetts',
    'Michigan',
    'Minnesota',
    'Mississippi',
    'Missouri',
    'Montana',
    'Nebraska',
    'Nevada',
    'New Hampshire',
    'New Jersey',
    'New Mexico',
    'New York',
    'North Carolina',
    'North Dakota',
    'Ohio',
    'Oklahoma',
    'Oregon',
    'Pennsylvania',
    'Rhode Island',
    'South Carolina',
    'South Dakota',
    'Tennessee',
    'Texas',
    'Utah',
    'Vermont',
    'Virginia',
    'Washington',
    'West Virginia',
    'Wisconsin',
    'Wyoming'
);

/* Pick up */

$form->setCols(3, 4, 'md');
$form->groupElements('pick-up-location', 'pick-up-date', 'pick-up-time');

foreach ($locations as $loc) {
    $form->addOption('pick-up-location', $loc, $loc);
}

$form->addSelect('pick-up-location', 'Pick up location', 'data-slimselect=true, required');

// set minimum date
$now      = new DateTime('now');
$date_min = $now->format('Y-m-d');

$form->setCols(0, 3, 'md');
$form->addHelper('Pick-up Date', 'pick-up-date');
$form->addInput('text', 'pick-up-date', '', '', 'data-litepick=true, data-single-mode=false, data-min-date=' . $date_min . ', data-format=YYYY-MM-DD, data-element-end=drop-off-date, data-split-view=true, required');

$form->setCols(0, 2, 'md');
$form->addHelper('Pick-up Time', 'pick-up-time');
$form->addTimeSelect('pick-up-time', '', '', ['min' => '08:00', 'max' => '17:30', 'step' => 30]);

/* Drop Off */

$form->setCols(3, 4, 'md');
$form->groupElements('drop-off-location', 'drop-off-date', 'drop-off-time');

foreach ($locations as $loc) {
    $form->addOption('drop-off-location', $loc, $loc);
}

$form->addSelect('drop-off-location', 'Drop off location', 'data-slimselect=true, required');

$form->setCols(0, 3, 'md');
$form->addHelper('Drop-off Date', 'drop-off-date');
$form->addInput('text', 'drop-off-date', '', '', 'readonly');

$form->setCols(0, 2, 'md');
$form->addHelper('Drop-off Time', 'drop-off-time');
$form->addTimeSelect('drop-off-time', '', '', ['min' => '08:00', 'max' => '17:30', 'step' => 30]);

/* Car type */

$form->setCols(3, 9, 'md');
$form->addRadio('car-type', 'Standart Cars', 'Standart Cars');
$form->addRadio('car-type', 'Convertibles', 'Convertibles');
$form->addRadio('car-type', 'Luxury Cars', 'Luxury Cars');
$form->addRadio('car-type', 'Vans', 'Vans');
$form->addRadio('car-type', 'SUVs', 'SUVs');
$form->printRadioGroup('car-type', 'Car Type', false, 'required');

$form->endFieldset();

/* Accordion Second part
-------------------------------------------------- */


$form->addHeading('Extras');
$form->startFieldset();

$form->addRadio('with', 'GPS navigation system', 'GPS navigation system');
$form->addRadio('with', 'Booster', 'Booster');
$form->addRadio('with', 'Child safety seat', 'Child safety seat');
$form->addRadio('with', 'Additional driver', 'Additional driver');
$form->printRadioGroup('with', 'With', false);
$form->addTextarea('additional-requests', '', 'Additional Requests', 'rows=7');

$form->endFieldset();

/* Accordion Third part
-------------------------------------------------- */


$form->addHeading('Personal informations');
$form->startFieldset();

$form->groupElements('prefix', 'first-name', 'last-name');
$form->setCols(3, 2, 'md');
$form->addOption('prefix', 'Mr', 'Mr');
$form->addOption('prefix', 'Mrs', 'Mrs');
$form->addSelect('prefix', 'Full Name', 'required');
$form->setCols(0, 3, 'md');
$form->addInput('text', 'first-name', '', '', 'placeholder=First Name, required');
$form->setCols(0, 4, 'md');
$form->addInput('text', 'last-name', '', '', 'placeholder=Last Name, required');
$form->setCols(3, 9, 'md');
$form->addInput('email', 'user-email', '', 'E-Mail', 'required');
$form->groupElements('area-code', 'user-phone');
$form->setCols(3, 3, 'md');
$form->addInput('text', 'area-code', '', 'Phone Number', 'placeholder=303, pattern=^[+0-9-]+$, data-fv-regexp___message=Please enter a valid Area Code, required');
$form->setCols(0, 6, 'md');
$form->addHelper('Enter a valid US phone number', 'user-phone');
$form->addInput('text', 'user-phone', '', '', 'placeholder=202-555-0119, data-fv-phone, data-fv-phone-country=US, required');

$form->centerContent();
$form->addBtn('submit', 'submit-btn', 1, 'Submit', 'class=uk-button uk-button-primary mt-4');
$form->endFieldset();

// Custom radio & checkbox css
$form->addPlugin('nice-check', '#car-rental-form', 'default', ['skin' => 'yellow']);

// Javascript validation
$form->addPlugin('formvalidation', '#car-rental-form');
?>
<!DOCTYPE html>
<html lang="en-US">

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <title>UIkit Car Rental Form - Step Accordion form</title>
    <meta name="description" content="UIkit Form Generator - how to create a Step Accordion form with Php Form Builder Class">
    <link rel="canonical" href="https://www.phpformbuilder.pro/templates/uikit-forms/car-rental-form.php" />

    <!-- UIkit CSS -->

    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/uikit@3.9.4/dist/css/uikit.min.css" />

    <!-- Font awesome icons -->

    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.4/css/solid.css" integrity="sha384-Tv5i09RULyHKMwX0E8wJUqSOaXlyu3SQxORObAI08iUwIalMmN5L6AvlPX2LMoSE" crossorigin="anonymous">
    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.4/css/fontawesome.css" integrity="sha384-jLKHWM3JRmfMU0A5x5AkjWkw/EYfGUAGagvnfryNV3F9VqM98XiIH7VBGVoxVSc7" crossorigin="anonymous">
    <?php $form->printIncludes('css'); ?>
</head>

<body>

    <h1 class="uk-text-center">Car Rental Form</h1>

    <div class="uk-container" style="min-width:70vw;">

        <?php
        if (isset($sent_message)) {
            echo $sent_message;
        }
        $form->render();
        ?>
    </div>

    <!-- UIkit JavaScript -->

    <script src="https://cdn.jsdelivr.net/npm/uikit@3.9.4/dist/js/uikit.min.js"></script>
    <?php
    $form->printIncludes('js');
    $form->printJsCode();
    ?>
</body>

</html>