1: <?php
 2: /**
 3:  * Copyright 2007-2012 Horde LLC (http://www.horde.org/)
 4:  *
 5:  * @author   Chuck Hagenbuch <chuck@horde.org>
 6:  * @license  http://www.horde.org/licenses/bsd BSD
 7:  * @category Horde
 8:  * @package  Http
 9:  */
10: 
11: /**
12:  * @author   Chuck Hagenbuch <chuck@horde.org>
13:  * @license  http://www.horde.org/licenses/bsd BSD
14:  * @category Horde
15:  * @package  Http
16:  */
17: class Horde_Http_Request_Factory
18: {
19:     /**
20:      * Find the best available request backend
21:      *
22:      * @return Horde_Http_Request_Base
23:      */
24:     public function create()
25:     {
26:         if (class_exists('HttpRequest', false)) {
27:             return new Horde_Http_Request_Peclhttp();
28:         } elseif (extension_loaded('curl')) {
29:             return new Horde_Http_Request_Curl();
30:         } elseif (ini_get('allow_url_fopen')) {
31:             return new Horde_Http_Request_Fopen();
32:         } else {
33:             throw new Horde_Http_Exception('No HTTP request backends are available. You must install pecl_http, curl, or enable allow_url_fopen.');
34:         }
35:     }
36: }
37: