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Using this we can create Shopping cart features in an application.



CI Provide cart library to implement this functionality.



Step to Implement Card Functionality:-


1)  Create Controller



2 ) Load cart library under Controller Constructor

$this->load->library('cart')
3) Create Controller  Index method and Add Multiple Items into cart
4) Create View  and show cart content


Complete Code of Cart:-

<?php
class Shoppingcart extends CI_Controller
{
 function __construct()
 {
  parent::__construct();
  $this->load->library('cart');
  
 }
     function index()
     {
      $this->cart->destroy();

       $data = array(
        array(
                'id'      => 'sku_123ABC',
                'qty'     => 1,
                'price'   => 100,
                'name'    => 'T-Shirt',
                'options' => array('Size' => 'L', 'Color' => 'Red')
        ),
        array(
                'id'      => 'sku_567ZYX',
                'qty'     => 1,
                'price'   => 1200,
                'name'    => 'Shoes'
        ),
        array(
                'id'      => 'sku_965QRS',
                'qty'     => 1,
                'price'   => 2000,
                'name'    => 'Watch'
        ));

        $this->cart->insert($data);
        $this->load->view('cartview');

     }

    function updatecart()
    {
     $data = array(
        array(
                'rowid'   => '0256a32c98ce49afbe2a4eb8c96c5884',
                'qty'     => $this->input->post('txt1')
        ),
        array(
                'rowid'   => '90972f7cfcd380a9fa7821d30a9b2fb2',
                'qty'     => $this->input->post('txt2')
        ),
        array(
                'rowid'   => '46acd2fb2e0d0b4a29c67e7ddf1c8946',
                'qty'     => $this->input->post('txt3')
        )
);

$this->cart->update($data);
 $this->load->view('cartview');

    }

}

?>


Cartview:-

<!DOCTYPE html>
<html>
<head>
 <title></title>
</head>
<body>
 <form action="<?php echo site_url(); ?>/shoppingcart/updatecart" method="post" >
<table cellpadding="6" cellspacing="1" style="width:100%" border="1">

<tr>
        <th>QTY</th>
        <th>Item Description</th>
        <th style="text-align:right">Item Price</th>
        <th style="text-align:right">Sub-Total</th>
</tr>
<?php $i = 1; ?>
<?php foreach ($this->cart->contents() as $items): ?>
  <?php echo form_hidden($i.'[rowid]', $items['rowid']); ?>
     <tr>
                <td><?php echo form_input(array('name' => 'txt'.$i, 'value' => $items['qty'], 'maxlength' => '3', 'size' => '5')); ?></td>
                <td>
                        <?php echo $items['name']; ?>

                        <?php if ($this->cart->has_options($items['rowid']) == TRUE): ?>

                                <p>
                                        <?php foreach ($this->cart->product_options($items['rowid']) as $option_name => $option_value): ?>

                                                <strong><?php echo $option_name; ?>:</strong> <?php echo $option_value; ?><br />

                                        <?php endforeach; ?>
                                </p>

                        <?php endif; ?>

                </td>
                <td style="text-align:right"><?php echo $this->cart->format_number($items['price']); ?></td>
                <td style="text-align:right"><?php echo $this->cart->format_number($items['subtotal']); ?></td>
        </tr>

        <?php $i++; ?>

<?php endforeach; ?>

<tr>
        <td colspan="2"> </td>
        <td class="right"><strong>Total</strong></td>
        <td class="right"><?php echo $this->cart->format_number($this->cart->total()); ?></td>
</tr>
<tr><td><input type="submit" name="btnupload" value="UpdateCart" /></td></tr>
</table>
</form>
</body>
</html>




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