Invoices, settled. E-invoicing for PHP and Laravel.

use Quittio\Core\Builder\Party;
use Quittio\Core\Enums\UnitCode;
use Quittio\Laravel\Facades\Quittio;

$result = Quittio::invoice()                 // seller and bank account from config/quittio.php
    ->number('INV-2026-0042')
    ->deliveryDate('2026-09-30')
    ->buyer(Party::make('Customer Ltd')
        ->vatId('IE7654321K')
        ->address('5 Station Road', 'T12 X2Y3', 'Cork', 'IE')))
    ->line('Web development', netPrice: '95.00', quantity: 24, unit: UnitCode::Hour)
    ->line('Hosting', netPrice: '49.00')      // quantity 1, standard VAT rate by default
    ->dueInDays(14)
    ->render();                               // ZUGFeRD: PDF/A-3 with embedded XML

use Quittio\Core\Builder\InvoiceBuilder;
use Quittio\Core\Builder\Party;
use Quittio\Core\Enums\PaymentMeansCode;
use Quittio\Core\Enums\UnitCode;
use Quittio\Core\Quittio;
use Quittio\Core\Tax\CountryDefaultVat;

// once: configuration, country packs and the default VAT rate
$quittio = Quittio::create($config, $countryPacks);
InvoiceBuilder::useDefaultVat(new CountryDefaultVat($quittio->countries()));

$invoice = InvoiceBuilder::make()
    ->seller(Party::make('Example Software Ltd')
        ->vatId('IE1234567T')
        ->address('12 Harbour Road', 'D02 X285', 'Dublin', 'IE'))
    ->payment(PaymentMeansCode::SepaCreditTransfer, iban: 'IE29AIBK93115212345678')
    ->number('INV-2026-0042')
    ->deliveryDate('2026-09-30')
    ->buyer(Party::make('Customer Ltd')
        ->vatId('IE7654321K')
        ->address('5 Station Road', 'T12 X2Y3', 'Cork', 'IE')))
    ->line('Web development', netPrice: '95.00', quantity: 24, unit: UnitCode::Hour)
    ->line('Hosting', netPrice: '49.00')      // quantity 1, standard VAT rate by default
    ->dueInDays(14);

$result = $quittio->make($invoice)->render();   // ZUGFeRD: PDF/A-3 with embedded XML

Quittio::make($invoice)->format('xrechnung-cii')->render();   // XRechnung 3.0, CII
Quittio::make($invoice)->format('xrechnung-ubl')->render();   // XRechnung 3.0, UBL
Quittio::make($invoice)->format('peppol')->render();          // Peppol BIS Billing 3.0

$result->pdf();
$result->save('invoices', '2026/');
$result->cancel('ST-2026-0001', reason: 'Charged twice');     // the cancellation, rendered

$quittio->make($invoice)->format('xrechnung-cii')->render();   // XRechnung 3.0, CII
$quittio->make($invoice)->format('xrechnung-ubl')->render();   // XRechnung 3.0, UBL
$quittio->make($invoice)->format('peppol')->render();          // Peppol BIS Billing 3.0

$result->pdf();
$result->save(__DIR__.'/invoices');                              // directory or file path

$cancellation = $quittio->cancellation($result->data(), 'ST-2026-0001', reason: 'Charged twice');
$quittio->make($cancellation)->render();                         // the cancellation, rendered

$report = Quittio::invoice()
    ->buyer($customer)
    ->line('Consulting', netPrice: '120.00')
    ->check('xrechnung-cii');      // validates like render(), no PDF, never throws

$report->isValid();                // false
$report->errors();                 // [BR-DE-15] The buyer reference (BT-10) is missing.

$invoice = InvoiceBuilder::make()
    ->seller($company)
    ->buyer($customer)
    ->line('Consulting', netPrice: '120.00');

// validates like render(), no PDF, never throws
$report = $quittio->make($invoice)->format('xrechnung-cii')->check();

$report->isValid();                // false
$report->errors();                 // [BR-DE-15] The buyer reference (BT-10) is missing.

$read = Quittio::read($request->file('invoice')->get());   // XML or PDF

$invoice = $read->data;            // InvoiceData as stated in the document
$invoice->number;                  // "INV-2026-0101"
$invoice->seller->name;            // the supplier
$invoice->totals?->amountDue;      // amount due

$read->profile;                    // e.g. "en16931" or "xrechnung"

$read = $quittio->readFile($_FILES['invoice']['tmp_name']);   // XML or PDF

$invoice = $read->data;            // InvoiceData as stated in the document
$invoice->number;                  // "INV-2026-0101"
$invoice->seller->name;            // the supplier
$invoice->totals?->amountDue;      // amount due

$read->profile;                    // e.g. "en16931" or "xrechnung"