View file ProForum/Files/application/app/Http/Controllers/Gateway/PaypalSdk/PayPalHttp/Curl.php

<?php

namespace App\Http\Controllers\Gateway\PaypalSdk\PayPalHttp;

/**
 * Class Curl
 * @package PayPalHttp
 *
 * Curl wrapper used by HttpClient to make curl requests.
 * @see HttpClient
 */
class Curl
{
    protected $curl;

    public function __construct($curl = NULL)
    {

        if (is_null($curl))
        {
            $curl = curl_init();
        }
        $this->curl = $curl;
    }

    public function setOpt($option, $value)
    {
        curl_setopt($this->curl, $option, $value);
        return $this;
    }

    public function close()
    {
        curl_close($this->curl);
        return $this;
    }

    public function exec()
    {
        return curl_exec($this->curl);
    }

    public function errNo()
    {
        return curl_errno($this->curl);
    }

    public function getInfo($option)
    {
        return curl_getinfo($this->curl, $option);
    }

    public function error()
    {
        return curl_error($this->curl);
    }
}