I have a program that used to manage items in a store. Everything is working fine. Then I need to get a report referred to update_stock_id for issued items.
Tried the following code
class Reports extends FZ_Controller
{
function __construct()
{
parent::__construct();
$this->load->library('form_validation');
$this->load->model('Report_model');
}
public function printIssuedItems($id)
{
$data['issuedDetail'] = $this->Report_model->printIssuedItemData($id);
$this->load->view('reports/printIssuedItems', $data);
}
}
function printIssuedItemData($id)
{
$this->db->select('store_update_stock.request_no, store_update_stock.billed_date, tbl_user.username,store_item.item_name,
sum(store_update_stock_details.r_qty) as r_qty, sum(store_update_stock_details.ap_qty) as ap_qty,
sum(store_update_stock_details.is_qty) as is_qty');
$this->db->from('store_update_stock');
$this->db->join('store_update_stock_details', 'store_update_stock.update_stock_id=store_update_stock_details.update_stock_id');
$this->db->join('tbl_user', 'store_update_stock.supplier=tbl_user.userId');
$this->db->join('store_item', 'store_update_stock_details.item=store_item.item_id', 'right');
$this->db->where(array('store_update_stock.update_stock_id' => $id, 'store_update_stock_details.status' => 1));
$this->db->group_by('store_update_stock_details.item');
$q = $this->db->get();
if ($q->num_rows() > 0) {
return $q->result();
}
return false;
}
<?php
if (!empty($issuedDetail)) {
$issuedData = $issuedDetail[0];
}
?>
<div class="col-xs-12">
<h2 class="page-header">
<small class="text-center"> Request No: <b><?=$issuedData->request_no?></b>
Request Date: <b><?=$issuedData->billed_date?></b>
Officer Name: <b><?=$issuedData->username?></b></small>
</h2>
</div>
The model outs the correct result set. But executing the view, the following error message displays.
A PHP Error was encountered
Severity: Notice
Message: Undefined variable: issuedData
Filename: reports/printIssuedItems.php
Line Number: 52
Backtrace:
File:
C:\xampp\htdocs\wpsstores\application\views\reports\printIssuedItems.php
Line: 52
Function: _error_handler
This refers to the variable $issuedData.
I have checked every part of the code. But didn't identify any issue.
in order to avoid the undefined variable error in your view, you need to exclude your html code from being executed, in case the database query doesn't return any results.
change:
<?php
if (!empty($issuedDetail)) {
$issuedData = $issuedDetail[0];
}
?>
YOUR HTML CODE
to:
<?php
if (!empty($issuedDetail)):
$issuedData = $issuedDetail[0];
?>
YOUR HTML CODE
<?php else:?>no records found
<?php endif?>
this will show html code if query returns records, otherwise "no recs" message
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