<?php
use phpformbuilder\Form;
/* =============================================
start session and include form class
============================================= */
session_start();
include_once rtrim($_SERVER['DOCUMENT_ROOT'], DIRECTORY_SEPARATOR) . '/phpformbuilder/Form.php';
/* ==================================================
1st form - with the formvalidation plugin
================================================== */
// Instanciate with "data-fv-no-auto-submit" to prevent the formvalidation from submitting the form
$form = new Form('post-with-ajax-form', 'horizontal', 'data-fv-no-auto-submit=true, novalidate', 'bs5');
$form->setMode('development');
$form->startFieldset('Subscribe to our newsletter', '', 'class=text-center mb-4');
$form->addInput('email', 'user-email', '', 'Your Email', 'required');
$form->centerContent();
$form->addBtn('submit', 'submit-btn', 1, 'Subscribe<i class="bi bi-envelope-fill ms-2"></i>', 'class=btn btn-primary btn-lg, data-ladda-button=true, data-style=zoom-in');
$form->endFieldset();
// Javascript validation
$form->addPlugin('formvalidation', '#post-with-ajax-form');
/* ==================================================
2nd form - without the formvalidation plugin
================================================== */
$form2 = new Form('post-with-ajax-form-2', 'horizontal', 'novalidate', 'bs5');
$form2->setMode('development');
$form2->startFieldset('Subscribe to our newsletter', '', 'class=text-center mb-4');
$form2->addInput('email', 'user-email-2', '', 'Your Email', 'required');
$form2->centerContent();
$form2->addBtn('submit', 'submit-btn-2', 1, 'Subscribe<i class="bi bi-envelope-fill ms-2"></i>', 'class=btn btn-primary btn-lg, data-ladda-button=true, data-style=zoom-in');
$form2->endFieldset();
?>
<!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>Bootstrap 5 Newsletter Subscribe Form - Ajax POST - How to create PHP forms easily</title>
<meta name="description" content="Bootstrap 5 Form Generator - how to POST a form with Ajax and Php Form Builder">
<link rel="canonical" href="https://www.phpformbuilder.pro/templates/bootstrap-5-forms/post-with-ajax-form.php" />
<!-- Bootstrap 5 CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<!-- Bootstrap icons -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/font/bootstrap-icons.css">
<?php $form->printIncludes('css'); ?>
</head>
<body>
<h1 class="text-center">Php Form Builder - Newsletter Subscribe Form<br><small>posted with Ajax</small></h1>
<div class="container">
<div class="row justify-content-center">
<div class="col-md-11 col-lg-10">
<h2 class="h3 mb-5">1st form - posted with Ajax<br><small class="text-secondary">with the formvalidation plugin</small></h2>
<div id="ajax-response"></div>
<?php
// 1st form
$form->render();
?>
<hr class="my-5">
<h2 class="h3 mb-5">2nd form - posted with Ajax<br><small class="text-secondary">without the formvalidation plugin</small></h2>
<div id="ajax-response-2"></div>
<?php
// 2nd form
$form2->render();
?>
</div>
</div>
</div>
<!-- Bootstrap 5 JavaScript -->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
<!-- Ajax form loader -->
<script src="../../phpformbuilder/plugins/ajax-data-loader/ajax-data-loader.min.js"></script>
<?php
$form->printIncludes('js');
$form->printJsCode();
$form2->printJsCode();
?>
<script>
/* 1st form - with the formvalidation plugin
-------------------------------------------------- */
var fvCallback = function() {
var form = forms['post-with-ajax-form'];
// form.fv is the validator
// you can then use the formvalidation plugin API
form.fv.on('core.form.valid', function() {
const $form = document.getElementById('post-with-ajax-form');
let data = new FormData($form);
fetch('ajax-forms/post-with-ajax-form.php', {
method: 'post',
body: new URLSearchParams(data).toString(),
headers: {
'Content-type': 'application/x-www-form-urlencoded; charset=utf-8'
},
cache: 'no-store',
credentials: 'include'
}).then(function(response) {
return response.text()
}).then(function(data) {
data = JSON.parse(data);
if (data.hasError) {
// if any error we reload the page to refresh the form
// errors have been registered in PHP SESSION by PHP Form Builder
location.reload();
}
// else we show the message in the target div
let $ajaxContainer = document.getElementById('ajax-response');
$ajaxContainer.innerHTML = data.msg;
// & reset the form
form.fv.resetForm();
document.getElementById('post-with-ajax-form').reset();
document.querySelector('button[name="submit-btn"]').removeAttribute('data-loading');
}).catch(function(error) {
console.log(error);
});
return false;
});
};
</script>
<script>
/* 2nd form - without the formvalidation plugin
-------------------------------------------------- */
document.addEventListener('DOMContentLoaded', function() {
const $form2 = document.getElementById('post-with-ajax-form-2');
$form2.addEventListener('submit', function(e) {
e.preventDefault();
let data = new FormData($form2);
fetch('ajax-forms/post-with-ajax-form-2.php', {
method: 'post',
body: new URLSearchParams(data).toString(),
headers: {
'Content-type': 'application/x-www-form-urlencoded; charset=utf-8'
},
cache: 'no-store',
credentials: 'include'
}).then(function(response) {
return response.text()
}).then(function(data) {
data = JSON.parse(data);
document.querySelector('button[name="submit-btn-2"]').removeAttribute('data-loading');
if (data.hasError) {
// if any error we reload the page to refresh the form
// errors have been registered in PHP SESSION by PHP Form Builder
location.reload();
}
// else we show the message in the target div
let $ajaxContainer = document.getElementById('ajax-response-2');
$ajaxContainer.innerHTML = data.msg;
// & reset the form
$form2.reset();
// & reset the form
if ($form2.querySelector('.is-invalid')) {
$form2.querySelector('.is-invalid').classList.remove('is-invalid');
}
if ($form2.querySelector('.invalid-feedback')) {
$form2.querySelector('.invalid-feedback').classList.remove('invalid-feedback');
}
}).catch(function(error) {
console.log(error);
});
});
return false;
});
</script>
</body>
</html>