IOS APNS推送php接口

<?phpif(strtoupper($_SERVER['REQUEST_METHOD']) != 'GET'){    exit(json_encode([        'code' => 0,        'msg' => '错误请求'    ]));}if(!isset($_GET['device_token'])){    exit(json_encode([        'code' => 0,        'msg' => '设备信息缺失'    ]));}if(!isset($_GET['message'])){    exit(json_encode([        'code' => 0,        'msg' => '推送信息缺失'    ]));}if(strlen($_GET['message']) > 256){    exit(json_encode([        'code' => 0,        'msg' => '推送信息长度超过256个字符'    ]));}if(!isset($_GET['app_id'])){    exit(json_encode([        'code' => 0,        'msg' => 'appId缺失'    ]));}$apps = [    '101' => [        'cert' => './cert/1.pem',//ios生成的pem，        'password' => '1',//pem密码        'debug' => '1',//开发模式 1  生产模式0    ]];if(!array_key_exists($_GET['app_id'], $apps)){    exit(json_encode([        'code' => 0,        'msg' => 'appId错误'    ]));}$ctx = stream_context_create();stream_context_set_option($ctx, 'ssl', 'local_cert', $apps[$_GET['app_id']]['cert']);stream_context_set_option($ctx, 'ssl', 'passphrase', $apps[$_GET['app_id']]['password']);// Open a connection to the APNS serverif($apps[$_GET['app_id']]['debug']){    $fp = stream_socket_client(        'ssl://gateway.sandbox.push.apple.com:2195', $err,        $err_str, 60, STREAM_CLIENT_CONNECT|STREAM_CLIENT_PERSISTENT, $ctx);}else{    $fp = stream_socket_client(        'ssl://gateway.push.apple.com:2195', $err,        $err_str, 60, STREAM_CLIENT_CONNECT|STREAM_CLIENT_PERSISTENT, $ctx);}if (!$fp){    exit(json_encode([        'code' => 0,        'msg' => '连接APN服务器失败,错误码:'.$err.',错误信息:'.$err_str    ]));}$body['aps'] = array(    'alert' => $_GET['message'],    'sound' => 'default');$payload = json_encode($body);// Build the binary notification$msg = chr(0) . pack('n', 32) . pack('H*', $_GET['device_token']) . pack('n', strlen($payload)) . $payload;// Send it to the server$result = fwrite($fp, $msg, strlen($msg));fclose($fp);if(!$result){    exit(json_encode([        'code' => 0,        'msg' => '推送消息发送失败,信息:'.$result    ]));}else{    exit(json_encode([        'code' => 1,        'msg' => '推送消息发送成功,信息:'.$result    ]));}

pem生成策略见: http://my.oschina.net/u/2340880/blog/413584