<?php $fiyat="100"; ?>

    <div id="paypal-button-container"></div>
    <script>
        paypal.Buttons({
            createOrder: function(data, actions) {
                return actions.order.create({
                    purchase_units: [{
                        amount: {
                            value: "<?php echo $fiyat; ?>" // Change this to the amount you want to charge
                        }
                    }]
                });
            },
            onApprove: function(data, actions) {
                return actions.order.capture().then(function(details) {
                    alert('Transaction completed by ' + details.payer.name.given_name);
                    // Call your backend to save the transaction details
                });
            },
            onError: function(err) {
                console.error('Error occurred: ' + err);
            }
        }).render('#paypal-button-container');
    </script>