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我正在使用 JAXL 3.x 编写一个模块，允许我向另一个 facebook 用户发送消息。

public function sendTo($id = null, $name = null, $user = null){
    if(!$id)
        throw new NotFoundException(__('Invalid user id'));
    if(!$name)
        throw new NotFoundException(__('Invalid name'));
    if(!$user)
        throw new NotFoundException(__('Invalid user'));
    $this->set('mess',$_POST['mess']);
    $this->set('id',$id);
    $this->set('name',$name);

    $config = new Config();
    $client = new JAXL(array(
            // (required) credentials
            'jid' => $id,
            'fb_app_key' => $config->fb_app_id,
            'fb_access_token' => $config->fb_access_token,

            // force tls (facebook require this now)
            'force_tls' => true,
            // (required) force facebook oauth
            'auth_type' => 'X-FACEBOOK-PLATFORM',

            // (optional)
            //'resource' => 'resource',

            'log_level' => JAXL_INFO
    ));

    //
    // add necessary event callbacks here
    //


    $client->add_cb('on_auth_success', function() {
        echo "got on_auth_success cb, jid ".$client->full_jid->to_string();
    });

        $client->add_cb('on_auth_failure', function($reason) {
            $client->send_end_stream();
            echo "got on_auth_failure cb with reason $reason";
        });

            $client->add_cb('on_chat_message', function($stanza) {

                // echo back incoming message stanza
                $stanza->to = $id;
                $stanza->from = $client->full_jid->to_string();
                $client->send($stanza);
            });

                $client->add_cb('on_disconnect', function() {
                    echo "got disconnected";
                });

                    //
                    // finally start configured xmpp stream
                    //
                    $client->start();
                    echo "done\n";
}

但在输入“on_auth_success”后，我发现一个空 $client 错误。但是正如您在代码中看到的那样，在创建 $client 之后，我尝试通过 print_r($client); 打印出它的内容；结果是：

JAXL Object ( [cfg] => Array ( [jid] => -to_some_one@chat.facebook.com [fb_app_key] => appid [fb_access_token] => access_token [force_tls] => 1 [auth_type] => X-FACEBOOK-PLATFORM [log_level] => 4 [host] => chat.facebook.com [port] => 5222 ) [ev:protected] => JAXLEvent Object ( [common:protected] => Array ( ) [reg] => Array ( ) ) [xeps] => Array ( [0030] => XEP_0030 Object ( [jaxl:protected] => JAXL Object *RECURSION* ) [0115] => XEP_0115 Object ( [jaxl:protected] => JAXL Object *RECURSION* ) ) [roster] => Array ( ) [manage_roster] => 1 [manage_subscribe] => none [log_level] => 4 [priv_dir] => C:\xampp\htdocs\cake\app\Lib\Facebook/.jaxl [tmp_dir] => C:\xampp\htdocs\cake\app\Lib\Facebook/.jaxl/tmp [log_dir] => C:\xampp\htdocs\cake\app\Lib\Facebook/.jaxl/log [pid_dir] => C:\xampp\htdocs\cake\app\Lib\Facebook/.jaxl/run [sock_dir] => C:\xampp\htdocs\cake\app\Lib\Facebook/.jaxl/sock [sock:JAXL:private] => [cli:JAXL:private] => [local_ip] => 172.17.1.137 [pid] => 4736 [mode] => apache2handler [status] => [features] => Array ( ) [category] => client [type] => bot [lang] => en [retry] => 1 [retry_interval:JAXL:private] => 1 [retry_attempt:JAXL:private] => 0 [retry_max_interval:JAXL:private] => 32 [full_jid] => [jid] => XMPPJid Object ( [node] => -ffff[domain] => chat.facebook.com [resource] => [bare] => -fffff@chat.facebook.com ) [pass] => [resource] => jaxl#f2991f0002fbd1af8df4754c1df8683c [force_tls] => 1 [trans:protected] => JAXLSocketClient Object ( [host:JAXLSocketClient:private] => [port:JAXLSocketClient:private] => [transport:JAXLSocketClient:private] => [stream_context:JAXLSocketClient:private] => [blocking:JAXLSocketClient:private] => [fd] => [errno] => [errstr] => [timeout:JAXLSocketClient:private] => 10 [ibuffer:JAXLSocketClient:private] => [obuffer:JAXLSocketClient:private] => [compressed:JAXLSocketClient:private] => [recv_bytes:JAXLSocketClient:private] => 0 [send_bytes:JAXLSocketClient:private] => 0 [recv_cb:JAXLSocketClient:private] => Array ( [0] => JAXLXmlStream Object ( [delimiter:JAXLXmlStream:private] => \ [ns:JAXLXmlStream:private] => [parser:JAXLXmlStream:private] => Resource id #93 [stanza:JAXLXmlStream:private] => [depth:JAXLXmlStream:private] => -1 [start_cb:JAXLXmlStream:private] => Array ( [0] => JAXL Object *RECURSION* [1] => start_cb ) [stanza_cb:JAXLXmlStream:private] => Array ( [0] => JAXL Object *RECURSION* [1] => stanza_cb ) [end_cb:JAXLXmlStream:private] => Array ( [0] => JAXL Object *RECURSION* [1] => end_cb ) ) [1] => parse ) [recv_chunk_size:JAXLSocketClient:private] => 1024 [writing:JAXLSocketClient:private] => ) [xml:protected] => JAXLXmlStream Object ( [delimiter:JAXLXmlStream:private] => \ [ns:JAXLXmlStream:private] => [parser:JAXLXmlStream:private] => Resource id #93 [stanza:JAXLXmlStream:private] => [depth:JAXLXmlStream:private] => -1 [start_cb:JAXLXmlStream:private] => Array ( [0] => JAXL Object *RECURSION* [1] => start_cb ) [stanza_cb:JAXLXmlStream:private] => Array ( [0] => JAXL Object *RECURSION* [1] => stanza_cb ) [end_cb:JAXLXmlStream:private] => Array ( [0] => JAXL Object *RECURSION* [1] => end_cb ) ) [last_id:protected] => 0 [state:protected] => setup )

这意味着 $client 成功连接到 XMPP 服务。有什么帮助吗？

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我在开发网络应用程序时使用 cakephp。

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