How to work with Add-To-Cart functionality?

PHP
7

My updated code :

Button:
<button type="button" class="btn btn-primary" type="submit" onclick="addCart('. "'".$row['voice_id']."'".','."'". $row['voice_name']."'".');" style="padding: 5px 83px 5px 83px;">Add to PlayList </button>

same page ajax :

<script type="text/javascript">
  function addCart(voice_id, voice_name){

            $.ajax({
                type: 'POST',
                url: 'cart.php',
                data: {voice_id:voice_id,
					   voice_name:voice_name},
                dataType: 'html',
                success: function(data) {
                    // alert(data);
                    

                }
            });
   }
    $(document).ready(function(){
        
});

cart.php :

<?php 
$voice_id = ''; 
$voice_name = ''; 


if(isset($_POST['voice_id']) && isset($_POST['voice_name'])) 
{ 
$voice_id = $_POST['voice_id']; 
$voice_name = $_POST['voice_name']; 
} 
var_dump($voice_id); 
echo $voice_id ."&". $voice_name; 

?>

If click button nothing will happen?

and my cart.php screenshot:

image
image1352×730 81 KB

How to show voice_id and voice_name on cart.php like cart?