<?php
require 'vendor/autoload.php';
use PhpOffice\PhpSpreadsheet\IOFactory;

$file = 'storage/app/public/01KYWGVNKS5TNMN37RV77PCYNZ.xlsx';
$spreadsheet = IOFactory::load($file);

$sheet = $spreadsheet->getSheetByName('Assumptions');
echo "=== Assumptions sheet ===" . PHP_EOL;
echo "Total rows: " . $sheet->getHighestRow() . PHP_EOL;
echo "Total cols: " . $sheet->getHighestColumn() . PHP_EOL;

for ($row = 1; $row <= $sheet->getHighestRow(); $row++) {
    $rowData = $sheet->rangeToArray("A{$row}:Z{$row}")[0];
    echo "Row $row: " . implode(' | ', array_map(function($cell) {
        return $cell === null ? '(null)' : $cell;
    }, $rowData)) . PHP_EOL;
}

echo PHP_EOL . "=== Zone sheet ===" . PHP_EOL;
$sheet = $spreadsheet->getSheetByName('Zone');
for ($row = 1; $row <= $sheet->getHighestRow(); $row++) {
    $rowData = $sheet->rangeToArray("A{$row}:Z{$row}")[0];
    echo "Row $row: " . implode(' | ', array_map(function($cell) {
        return $cell === null ? '(null)' : $cell;
    }, $rowData)) . PHP_EOL;
}