pds/app/Exports/InvoicePendingReasonExport.php

<?php

namespace App\Exports;

use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\FromArray;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;

class InvoicePendingReasonExport implements FromArray, WithHeadings, WithMapping
{
    /**
    * @return \Illuminate\Support\Collection
    */
     protected array $data;

    public function __construct(array $data)
    {
        $this->data = $data;
    }

    public function array(): array
    {
        return $this->data;
    }

    public function headings(): array
    {
        return [
            'Plant Code',
            'Document Number',
            'Remark',
            'Customer Trade Name',
            'Location',
        ];
    }

    public function map($row): array
    {
        return [
            $row['plant_id'] ?? '',
            $row['document_number'] ?? '',
            $row['remark'] ?? '',
            $row['customer_trade_name'] ?? '',
            $row['location'] ?? '',
        ];
    }
}