MNB PHPExcel, the complete PHP Excel library.

<?php

require __DIR__ . '/vendor/autoload.php';

use Mnb\PHPExcel\MnbExcel;

$sheet = MnbExcel::read('orders.xlsx')
    ->sheet('Orders')
    ->withHeaderRow(1);

foreach ($sheet->rows() as $row) {
    echo $row['Order ID'] . PHP_EOL;
}

<?php

use Mnb\PHPExcel\MnbExcel;

MnbExcel::largeRead('orders.xlsx')
    ->sheet('Orders')
    ->withHeader()
    ->onlyColumns(['A', 'B', 'F'])
    ->chunk(1000, function (array $rows): void {
        processRows($rows);
    });

<?php

use Mnb\PHPExcel\MnbExcel;

MnbExcel::report($rows)
    ->withHeader()
    ->currencyColumns(['Amount'], '$')
    ->freezeHeader()
    ->autoFilter()
    ->autoWidth()
    ->save('sales-report.xlsx');

<?php

use Mnb\PHPExcel\MnbExcel;

$result = MnbExcel::importProducts(
    'products.xlsx',
    $pdo,
    'products',
    [
        'duplicate_strategy' => 'update',
        'unique_by' => ['sku'],
        'batch_size' => 1000,
    ]
);