README

Tax library for german tax calculation written in PHP.

Overview

• Income Tax (Einkommensteuer)
• Trade Tax / Business Tax (Gewerbesteuer)
• Value Added Tax (Umsatzsteuer)
• Solidarity Tax (Solidaritätszuschlag)
• Rate Of Assessment / Trade Tax Factor (Hebesatz)
• Corporation Tax (Körperschaftsteuer)
• Cash Accounting (Einahmen-Überschuss-Rechnung)

Installation

composer install jonczek/tax-de

Usage

Value added tax calculation example

Add tax entries to a repository:

$repository = new GenericRepository();
$repository->add(new ValueAddedTaxEntry(119));
$repository->add(new ValueAddedTaxEntry(238));
$repository->add(new ValueAddedTaxEntry(107, ValueAddedTaxRate::REDUCED_RATE));
$repository->add(new ValueAddedTaxEntry(214, ValueAddedTaxRate::REDUCED_RATE));
$repository->add(new ValueAddedTaxEntry(100, ValueAddedTaxRate::REDUCED_RATE, true));
$repository->add(new ValueAddedTaxEntry(200, ValueAddedTaxRate::FULL_RATE, true));

Calculate value added tax using the repository:

$calculator = new ValueAddedTaxCalculator();
$result = $calculator->calculate($repository);

Result:

Jonczek\Tax\Model\ValueAddedTaxCalculationResult Object
(
    [net:protected] => 900
    [gross:protected] => 1023
    [tax:protected] => 123
)