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/home/yknvptog/president-studio.com/libraries/src/Http/HttpFactory.php

<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2012 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Http;

use Joomla\CMS\Version;
use Joomla\Http\TransportInterface;

// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * HTTP factory class.
 *
 * @since  3.0.0
 */
class HttpFactory
{
    /**
     * Method to create a JHttp instance.
     *
     * @param   array|\ArrayAccess  $options   Client options array.
     * @param   array|string        $adapters  Adapter (string) or queue of adapters (array) to use for communication.
     *
     * @return  Http
     *
     * @since   3.0.0
     * @throws  \RuntimeException
     */
    public static function getHttp($options = [], $adapters = null)
    {
        if (!\is_array($options) && !($options instanceof \ArrayAccess)) {
            throw new \InvalidArgumentException(
                'The options param must be an array or implement the ArrayAccess interface.'
            );
        }

// Set default userAgent if nothing else is set
        if (!isset($options['userAgent'])) {
            $version              = new Version();
            $options['userAgent'] = $version->getUserAgent('Joomla', true, false);
        }

if (!$driver = static::getAvailableDriver($options, $adapters)) {
            throw new \RuntimeException('No transport driver available.');
        }

return new Http($options, $driver);
    }

/**
     * Finds an available http transport object for communication
     *
     * @param   array|\ArrayAccess  $options  Options for creating TransportInterface object
     * @param   array|string        $default  Adapter (string) or queue of adapters (array) to use
     *
     * @return  TransportInterface|boolean  Interface sub-class or boolean false if no adapters are available
     *
     * @since   3.0.0
     */
    public static function getAvailableDriver($options = [], $default = null)
    {
        if (\is_null($default)) {
            $availableAdapters = static::getHttpTransports();
        } else {
            settype($default, 'array');
            $availableAdapters = $default;
        }

// Check if there is at least one available http transport adapter
        if (!\count($availableAdapters)) {
            return false;
        }

foreach ($availableAdapters as $adapter) {
            /** @var $class TransportInterface */
            $class = __NAMESPACE__ . '\\Transport\\' . ucfirst($adapter) . 'Transport';

if (!class_exists($class)) {
                $class = 'JHttpTransport' . ucfirst($adapter);
            }

if (class_exists($class) && $class::isSupported()) {
                return new $class($options);
            }
        }

return false;
    }

/**
     * Get the http transport handlers
     *
     * @return  array  An array of available transport handlers
     *
     * @since   3.0.0
     */
    public static function getHttpTransports()
    {
        $names    = [];
        $iterator = new \DirectoryIterator(__DIR__ . '/Transport');

/** @type  $file  \DirectoryIterator */
        foreach ($iterator as $file) {
            $fileName = $file->getFilename();

// Only load for php files.
            if ($file->isFile() && $file->getExtension() === 'php') {
                $names[] = substr($fileName, 0, strrpos($fileName, 'Transport.'));
            }
        }

// Keep alphabetical order across all environments
        sort($names);

// If curl is available set it to the first position
        if ($key = array_search('Curl', $names)) {
            unset($names[$key]);
            array_unshift($names, 'Curl');
        }

return $names;
    }
}