Part of suscriptions.php

suscriptions.php

    /**
     * @param $msisdn
     * @param $amount
     * @param $token
     * @return array
     */
    public function getBill($msisdn, $amount, $token)
    {
        if($this->_billError500 == true) {
            error_log(print_r('ha dado error 500', true));
            $this->_billError500 = false;
        }
        if($this->_billError400 == true) {
            error_log(print_r('ha dado error 400', true));
            $this->_billError400 = false;
        }
        $transaction = $this->generateTransactionCode();

        try {
            $xml = '<?xml version="1.0" encoding="UTF-8"?>
                <request>
                    <transaction>' . $transaction . '</transaction>
                    <msisdn>' . $msisdn . '</msisdn>
                    <amount>' . $amount . '</amount>
                    <token>' . $token . '</token>
                </request>';


            $request = new \GuzzleHttp\Psr7\Request('POST', $this->_billUrl, ['Content-Type' => 'text/xml; charset=UTF8'], $xml);

            $response = $this->_client->send($request);

            if ($response->getStatusCode() == 200) {
                $response = (array)new SimpleXMLElement($response->getBody());

                $data = $this->data($response['statusCode'], $response['statusMessage'], $response['txId']);
                $data['200'] = 'todo OK!';
                error_log(print_r('BILL_SUCCESS_____', true));
                error_log(print_r($data, true));

                return $data;
            }
        } catch (ServerException $e) { // if 500 Server Error
            $this->_billError500 = true;

            $response = (array)new SimpleXMLElement($e->getResponse()->getBody()->getContents());

            $error = $this->errors($response['statusCode'], $response['statusMessage'], $response['txId'], $transaction);
            $error['500?'] = 'error 500 cuando no hay fondos...';
            error_log(print_r('BILL_ERROR_500_____', true));
            error_log(print_r($error, true));

            $this->getBill($msisdn, $amount, $this->getToken()['token']);

        } catch (ClientException $e) { // if 400 Token Already used or Missing property
            $this->billError400 = true;

            $response = (array)new SimpleXMLElement($e->getResponse()->getBody()->getContents());

            $error = $this->errors($response['statusCode'], $response['statusMessage'], $response['txId'], $transaction);
            $error['GETSTATUSCODE'] = $response->getStatusCode();
            error_log(print_r('BILL_ERROR_400_____', true));
            error_log(print_r($error, true));

            $this->getBill($msisdn, $amount, $this->getToken()['token']);
        }
    }