Alttaki kodda nerede hata yapıyorum, form post olmuyor, yardımcı olabilir misiniz?
<!DOCTYPE html>
<html lang="tr">
<head>
<meta charset="UTF-8"/>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="author" content="Erkan AKGÜN"/>
<title>Online Ödeme</title>
<link href="assets/css/bootstrap.min.css" rel="stylesheet" type="text/css">
<link href="assets/css/icons/icomoon/styles.css" rel="stylesheet" type="text/css">
<link href="assets/css/toastr/toastr.min.css" rel="stylesheet">
<link href="assets/css/icheck/custom.css" rel="stylesheet">
<script src="assets/js/jquery.min.js"></script>
<script src="assets/js/bootstrap.bundle.min.js"></script>
<script src="assets/credit-card/dist/card.js"></script>
<script src="assets/js/toastr/toastr.min.js"></script>
<script src="assets/js/icheck/icheck.min.js"></script>
</head>
<body class="navbar-top">
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Sanal Pos</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
</nav>
<div class="page-content">
<div class="content-wrapper">
<div class="content">
<div class="card">
<div class="card-header header-elements-inline">
<h5 class="card-title">Ödeme</h5>
</div>
<div class="card-body" style="padding-left: 2.25rem;">
<div class="row">
<div class="col-sm-6">
<form role="form" id="form-credit-card" name="form-credit-card" method="post" action="payment.php">
<input type="hidden" name="selected_bank_id">
<input type="hidden" name="instalment_count">
<input type="hidden" name="new_total_price">
<input type="hidden" name="card_type" id="card_type">
<div class="row mb-3">
<label style="text-transform: uppercase;">TUTAR</label>
<input type="number" class="form-control get_bank" placeholder="ÖDEME YAPILACAK TUTAR" name="amount" autocomplete="off" required/>
</div>
<div class="row mb-3">
<label>KART NUMARASI</label>
<input type="tel" class="form-control credit-card-number get_bank" name="number" placeholder="GEÇERLİ KART NUMARASI" autocomplete="off" required/>
</div>
<div class="row mb-3">
<label>KART ÜZERİNDEKİ İSİM</label>
<input type="text" class="form-control" name="name" placeholder="ADINIZ VE SOYADINIZ" autocomplete="off" required/>
</div>
<div class="row mb-3">
<div class="col-xs-7 col-md-7 pl-0">
<label>SON KULLANMA TARİHİ</label>
<input type="tel" class="form-control" name="expiry" placeholder="AA/YYYY" autocomplete="off" required/>
</div>
<div class="col-xs-5 col-md-5 pl-0">
<label>CVC KODU</label>
<input type="number" class="form-control" name="cvc" placeholder="CVC" autocomplete="off" required/>
</div>
</div>
</form>
</div>
<div class="col-sm-6" style="margin-top: 15px;">
<div class="card-wrapper"></div>
</div>
</div>
<div class="div_instalment mt-5"></div>
<div class="row mt-5">
<button class="button submit" name="save_payment">ÖDEME YAP</button>
</div>
</div>
</div>
</div>
</div>
</div>
<script>
$(document).ready(function () {
var card = new Card({
form: document.querySelector('form[id=form-credit-card]'),
container: '.card-wrapper',
placeholders: {
number: '•••• •••• •••• ••••',
name: 'AD SOYAD',
expiry: '••/••••',
cvc: '•••'
}
});
$('.jp-card-shiny').attr('style', 'display: none;');
});
$(document).on('click', '.instalment_select', function (event) {
event.preventDefault();
var value = $(this).data('count-number');
$('.check_' + value).iCheck('check');
$('.instalment_select').attr('style', 'margin-bottom: 15px; cursor: pointer; background-color: #fff !important; padding: 5px; color: #666; border: solid 1px #e6e6e6;');
$(this).attr('style', 'margin-bottom: 15px; cursor: pointer; background-color: #eee !important; border-top-color: #f8ac59; padding: 5px; color: #666; border: solid 1px #e6e6e6;');
});
$(document).on('click', 'button[name=save_payment]', function (event) {
event.preventDefault();
if ($('form[name=form-credit-card]')[0].checkValidity()) {
$.ajax({
url: "payment.php",
type: "POST",
dataType: "JSON",
data: $("#form-credit-card").serialize(),
success: function (data) {
toastr.error(data['status'], "Cevap");
}
});
} else {
toastr.error("Kredi Kartı Bilgilerini Doldurunuz!", "Üzgünüm!");
}
});
</script>
</body>
</html> 
Kodların orijinal halini ekleyebilirseniz sorun çok daha kolay tespit edilebilir.
