<?php
use \rOpenDev\curl\CurlRequest;

$request = new CurlRequest('http://www.example.org/');
$request->setDefaultGetOptions()->setReturnHeader()->setDestkopUserAgent()->setEncodingGzip();
$output = $curl->execute();

echo $output;

<?php
use \rOpenDev\curl\CurlRequest;

$request = new CurlRequest('http://www.bing.com/');
$request->setDefaultGetOptions()->setReturnHeader()->setDestkopUserAgent()->setEncodingGzip()->execute();

$r2 = new CurlRequest('http://www.bing.com/search?q=curl+request+php');
echo $r2->setDefaultGetOptions()->setReturnHeader()->setDestkopUserAgent()->setEncodingGzip()->setCookie($request->getCookie())->setProxy('domain:port:user:password')->execute();

<?php
use rOpenDev\curl\CurlRequest;

$r = new CurlRequest('scheme://host/path');
$r
    ->setOpt(CURLOPT_*, mixed 'value')

	// Preselect Options to avoid eternity wait
    ->setDefaultGetOptions($connectTimeOut = 5, $timeOut = 10, $dnsCacheTimeOut = 600, $followLocation = true, $maxRedirs = 5)
    ->setDefaultSpeedOptions()

    ->setReturnHeader() // If you want to get the header with getHeader()
    ->setCookie(string $cookie)
    ->setReferer(string $url)
    ->setUserAgent(string $ua)
        ->setDestkopUserAgent()
        ->setMobileUserAgent()
        ->setLessJsUserAgent()

    ->setPost(array $post)

    ->setEncodingGzip()

    ->setProxy(string '[scheme]proxy-host:port[:username:passwrd]') // Scheme, username and passwrd are facultatives. Default Scheme is http://

    ->setReturnHeaderOnly()

    ->setUrl($url, $resetPreviousOptions)

string $r->execute();   // Return contents from the url

array  $r->getHeader($arrayFormatted = true); // Return Response Header in an array (or in a string if $arrayFormatted is set to false)

string $r->getCookies();

string $r->getEffectiveUrl();

$r->hasError|getError|getInfo(); // Equivalent to curl function curl_errno|curl_error|curl_getinfo();