README

Helper library for calculating discounts in a application.

Installation

This library are developed to PHP 8.1, use Enum so it's not possible using in previously versions, if you like you can put a PR to make compatible with previous versions.. composer install vgpastor/discounts-calculator

Usage

Yo can see how to use in example.php file.

Required parameter are

• $type: Type of discount. Can be 'percentage' or 'amount' and based in base amount or in total amount (see DiscountTypeEnum)
• $base (float) - Base price
• $discount (float) - Discount percentage or amount

Optional parameters are

• $tax (float) - Tax percentage By default is 0%
• $precision (int) - Precision of the result. By default is 2
• $roundingMode (int) - Rounding mode. By default is PHP_ROUND_HALF_UP