Can't access array data passed from CodeIgniter controller to view [duplicate]

Question

I am having a problem trying to pass a variable from the controller to the view. I think I am doing a mistake somewhere, I can't find it since I am new to it.

My controller Method is :

public function paymentdetail($order_code)
{
    $this->load->model('Payment_Model');
    $paymentDetail = $this->Payment_Model->getpaymentdetail($order_code);
    $orderDetail = $this->Payment_Model->getOrderDetail($order_code);
    //        echo print_r($paymentDetail);
    $datas['content'] = $this->load->view('payment/paymentDetail',
        array('paymentDetail' => $paymentDetail,
            'orderDetail' => $orderDetail), true);
    $this->load->view('layouts/main_template', $datas);
}

The following model function getpaymentdetail() returns an array (result_array()) and this is the one I am concerned about. If I can work this one out then I can also work with other model methods.

$this->Payment_Model->getpaymentdetail($order_code);

When I type <?php echo $paymentDetail['column_name']; ?> in view file(PaymentDetail.php) I get an error

Undefined index: column_name

Why do I get this error?

The variable $paymentDetail['column_name'] does not exist. We can't help you, because we don't know what $this->Payment_Model->getpaymentdetail($order_code) returns. It's apparently not what you expect though. — GrumpyCrouton
– GrumpyCrouton, Commented Aug 18, 2020 at 15:17
Thank you for your interest. $this->Payment_Model->getpaymentdetail($order_code) returns an array like the function result_array(). I get values from the controller to view if I use echo print_r($paymentDetail); . I get the full array with value. But $paymentDetail['column_name'] is giving error that probably means I am doing something wrong that I don't know. — Mohsin
– Mohsin, Commented Aug 18, 2020 at 15:22
Directly after you set $paymentDetail, put die("<pre>".print_r($paymentDetail, true)."</pre>"); Run your script again and update your question with what that variable contains. — GrumpyCrouton
– GrumpyCrouton, Commented Aug 18, 2020 at 15:23
Also, update your question to show where you are using $paymentDetail['column_name'] — GrumpyCrouton
– GrumpyCrouton, Commented Aug 18, 2020 at 15:24

Vickel · Accepted Answer · 2020-08-18 16:47:08Z

2

model function getpaymentdetail() returns an array (result_array())

those arrays are normally structured like this:

Array
(
    [0] => Array
        (
            [ID] => 3120
            [column_name] => col1
         )
)

hence you cannot access column_name via <?php echo $paymentDetail['column_name']; ?> as this index doesn't exist in your array structure.

if you move one index deeper, then it will work: <?php echo $paymentDetail[0]['column_name']; ?>

Attention, if you expect more than 1 row to be returned, above will only access the first result (indexed 0) row! You'd need a foreach loop to get all results, see Generating Query Results - result arrays

answered Aug 18, 2020 at 16:47

Vickel

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