<?php

class readZP400
{
    public $soapUri = "http://websrv.bzp.uzp.gov.pl/BZP_PublicWebService.asmx?wsdl";

    public function readJSON()
    {

        $soapClient = new \SoapClient($this->soapUri, array(
            'exceptions' => true,
            "trace" => 1
        ));

        try {
            $ap_param = new class()
            {
                public $_rodzaj_zamawiajacego = 99;
                public $_rodzaj_zamowienia = 99;
                public $_tryb_udzielenia_zamowienia = 99;
                public $_data_publikacjiOd = '2017-09-06';
                public $_data_publikacjiDo = '2017-09-07';
                public $_czyGrupaCPV = 0;
                public $_calkowita_wart_zam_od = -1;
                public $_calkowita_wart_zam_do = -1;
            };
            $info = $soapClient->ogloszeniaZP400KryteriaWyszukiwaniaJSON($ap_param);
            return $info->Table;
        } catch (SoapFault $fault) {
            throw new Exception($fault, 1);
        }
    }
}

$readZP400 = new readZP400();
$readZP400->readJSON();