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<?php

/**

 * This is a PHP library that handles calling reCAPTCHA.

 *

 * @copyright Copyright (c) 2015, Google Inc.

 * @link      http://www.google.com/recaptcha

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

namespace ReCaptcha\RequestMethod;

/**

 * Convenience wrapper around native socket and file functions to allow for

 * mocking.

 */

class Socket

{

    private $handle = null;

    /**

     * fsockopen

     * 

     * @see http://php.net/fsockopen

     * @param string $hostname

     * @param int $port

     * @param int $errno

     * @param string $errstr

     * @param float $timeout

     * @return resource

     */

    public function fsockopen($hostname, $port = -1, &$errno = 0, &$errstr = '', $timeout = null)

    {

        $this->handle = fsockopen($hostname, $port, $errno, $errstr, (is_null($timeout) ? ini_get("default_socket_timeout") : $timeout));

        if ($this->handle != false && $errno === 0 && $errstr === '') {

            return $this->handle;

        } else {

            return false;

        }

    }

    /**

     * fwrite

     * 

     * @see http://php.net/fwrite

     * @param string $string

     * @param int $length

     * @return int | bool

     */

    public function fwrite($string, $length = null)

    {

        return fwrite($this->handle, $string, (is_null($length) ? strlen($string) : $length));

    }

    /**

     * fgets

     * 

     * @see http://php.net/fgets

     * @param int $length

     * @return string

     */

    public function fgets($length = null)

    {

        return fgets($this->handle, $length);

    }

    /**

     * feof

     * 

     * @see http://php.net/feof

     * @return bool

     */

    public function feof()

    {

        return feof($this->handle);

    }

    /**

     * fclose

     * 

     * @see http://php.net/fclose

     * @return bool

     */

    public function fclose()

    {

        return fclose($this->handle);

    }

}