<?php require '../service/PaycheckService.php'; $salary = $_GET['salary']; if (is_numeric($salary)) { $inss = PaycheckService::getINSS($salary); $baseSalary = PaycheckService::getBaseSalary($salary); $ir = PaycheckService::getIR($baseSalary); $liquidSalary = PaycheckService::getLiquidSalary($salary); } $calculation = array('INSS' => $inss, 'IRPF' => $ir, 'liquidSalary' => $liquidSalary); echo json_encode($calculation);