<?php
require_once "MyTest.class.php";
$oMyTest = new MyTest();
$url = "http://www.sintegra.es.gov.br/resultado.php";
$http_verb = "POST";
$referer = null;
$params = array("botao" => "Consultar", "num_cnpj" => "31.804.115-0002-43");
$request = $oMyTest->request($url, $http_verb, $referer, $params);
$json = $oMyTest->myParse($request);
echo $json;