CURL::execute PHP Method

    public function execute($path = '/', $method = HTTPRequestMethod::GET)
    {
        $targetURL = $this->httpConnection->getURI() . $path;
        $hasParameters = count($this->requestParameter) > 0;
        $query = $hasParameters ? http_build_query($this->requestParameter) : null;
        switch ($method) {
            case HTTPRequestMethod::PUT:
            case HTTPRequestMethod::POST:
                if ($method != HTTPRequestMethod::POST) {
                    curl_setopt($this->curlResource, CURLOPT_CUSTOMREQUEST, $method);
                } else {
                    curl_setopt($this->curlResource, CURLOPT_POST, 1);
                }
                if (empty($this->requestBody)) {
                    curl_setopt($this->curlResource, CURLOPT_POSTFIELDS, $query);
                } else {
                    if ($hasParameters) {
                        $targetURL .= '?' . $query;
                    }
                    curl_setopt($this->curlResource, CURLOPT_POSTFIELDS, $this->requestBody);
                }
                curl_setopt($this->curlResource, CURLOPT_URL, $targetURL);
                break;
            case HTTPRequestMethod::DELETE:
            case HTTPRequestMethod::HEAD:
            case HTTPRequestMethod::OPTIONS:
            case HTTPRequestMethod::TRACE:
                curl_setopt($this->curlResource, CURLOPT_CUSTOMREQUEST, $method);
            case HTTPRequestMethod::GET:
                if ($hasParameters) {
                    $targetURL .= '?' . $query;
                }
                curl_setopt($this->curlResource, CURLOPT_URL, $targetURL);
                break;
            default:
                throw new UnexpectedValueException('Método desconhecido');
        }
        $resp = curl_exec($this->curlResource);
        $errno = curl_errno($this->curlResource);
        $error = curl_error($this->curlResource);
        if ($errno != 0) {
            throw new RuntimeException($error, $errno);
        }
        $this->httpResponse = new HTTPResponse();
        $this->httpResponse->setRawResponse($resp);
        if ($this->httpResponse->hasResponseHeader('Set-Cookie')) {
            $cookieManager = $this->httpConnection->getCookieManager();
            if ($cookieManager != null) {
                $cookieManager->setCookie($this->httpResponse->getHeader('Set-Cookie'), $this->httpConnection->getHostName());
            }
        }
        $statusCode = $this->httpResponse->getStatusCode();
        return $statusCode < 400;
    }

#!/usr/bin/env php
<?php 
require 'db.php';
require 'queue.php';
require 'curl.php';
$db = new DB();
const GOOGLE_SEARCH = 'https://ajax.googleapis.com/ajax/services/search/web?';
const QUEUE_LIMIT = 20;
$curl = new CURL();
foreach ($db->queues(STATUS_NEW, QUEUE_LIMIT) as $queue) {
    $url = GOOGLE_SEARCH . http_build_query(['v' => '1.0', 'q' => $queue['word']]);
    $curl->execute($url);
    if ($curl->isHttpOK()) {
        //    var_dump($curl->getContent());
        $db->queue_data($queue['id'], $curl->getContent());
    } else {
        $db->queue_error($queue['id'], $curl->getErrorMessage());
    }
}