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

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

foreach (['Start', 'Form', 'DATES'] as $sheetName) {
    $sheet = $spreadsheet->getSheetByName($sheetName);
    if (!$sheet) continue;
    echo "=== $sheetName ===" . PHP_EOL;
    for ($row = 1; $row <= min(10, $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;
}