PHP Demo

更新时间: 2024-04-16 13:49:51

本文介绍如何使用阿里云智能语音服务提供的PHP SDK,包括SDK的安装方法及SDK代码示例。

前提条件

  • 使用SDK前,请先阅读接口说明,详情请参见接口说明

  • 已开通智能语音交互并获取AccessKey ID和AccessKey Secret,详情请参见从这里开始

说明
  • 本文PHP示例基于阿里云新版PHP SDK(Alibaba Cloud SDK for PHP)开发。如果您已接入阿里云旧版PHP SDK(aliyun-openapi-php-sdk),仍然可以继续使用或者更新到新版SDK(推荐)。

  • 后续录音文件识别闲时版的PHP示例更新将基于新版PHP SDK。

SDK说明

  • 录音文件识别闲时版的PHP示例使用了阿里云的PHP SDK提交录音文件识别闲时版请求和查询识别结果,采用RPC风格的POP API调用方式。

  • 关于阿里云PHP SDK的详细介绍请参见PHP SDK

重要

阿里云PHP SDK适用于PHP 5.5.0或更高版本

安装PHP SDK

  1. 安装阿里云PHP SDK,安装方法详情请参见安装Alibaba Cloud SDK for PHP

  2. 安装完阿里云PHP SDK后,需要安装录音文件识别闲时版的PHP SDK,composer命令如下:

    composer require alibabacloud/speechfiletranscriberlite-20211221

调用步骤

  1. 创建一个全局客户端。

  2. 设置请求参数,提交录音文件识别闲时版请求;处理服务端返回的响应,获取任务ID,用于后续的识别结果轮询。

  3. 根据任务ID,轮询识别结果。

代码示例

  • 下载nls-sample-16k.wav。该录音文件为PCM编码格式16000 Hz采样率,管控台设置的模型为通用模型;如果使用其他录音文件,请填入对应的编码格式和采样率,并在管控台设置对应的模型,模型设置请参见管理项目

  • 调用接口前,需配置环境变量,通过环境变量读取访问凭证。智能语音交互的AccessKey ID、AccessKey Secret和AppKey的环境变量名:ALIYUN_AK_IDALIYUN_AK_SECRETNLS_APP_KEY

<?php
namespace speechfiletranscriberlite;

require __DIR__ . '/vendor/autoload.php';

use AlibabaCloud\Endpoint\Endpoint;
use AlibabaCloud\OpenApiUtil\OpenApiUtilClient;
use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\SpeechFileTranscriberLite\V20211221\SpeechFileTranscriberLite;
use AlibabaCloud\SDK\SpeechFileTranscriberLite\V20211221\Models\GetTaskResultRequest;
use AlibabaCloud\SDK\SpeechFileTranscriberLite\V20211221\Models\GetTaskResultResponse;
use AlibabaCloud\SDK\SpeechFileTranscriberLite\V20211221\Models\SubmitTaskRequest;
use AlibabaCloud\SDK\SpeechFileTranscriberLite\V20211221\Models\SubmitTaskResponse;
use AlibabaCloud\Tea\Utils\Utils;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;
use Darabonba\OpenApi\Models\OpenApiRequest;
use Darabonba\OpenApi\Models\Params;
use Darabonba\OpenApi\OpenApiClient;

$config                  = new Config();
$config->accessKeyId     = getenv('ALIYUN_AK_ID');      //获取AccessKey ID和AccessKey Secret请前往控制台:https://ram.console.aliyun.com/manage/ak
$config->accessKeySecret = getenv('ALIYUN_AK_SECRET');
$config->regionId        = "cn-shanghai";
$config->endpoint        = "speechfiletranscriberlite.cn-shanghai.aliyuncs.com";
$client                  = new SpeechFileTranscriberLite($config);

$appKey = getenv('NLS_APP_KEY');      //获取Appkey请前往控制台:https://nls-portal.console.aliyun.com/applist
$fileLink = "https://gw.alipayobjects.com/os/bmw-prod/0574ee2e-f494-45a5-820f-63aee583045a.wav";

$task = array("appkey" => $appKey,
            "file_link" => $fileLink,
            "version" => "4.0",
            "enable_words" => FALSE,
            "enable_sample_rate_adaptive" => TRUE);
$taskJson = json_encode($task);

$request = new SubmitTaskRequest();
$request->task = $taskJson;

;$runtime = new RuntimeOptions();
;$runtime->maxIdleConns   = 3;
;$runtime->connectTimeout = 10000;
;$runtime->readTimeout    = 10000;

$taskId = NULL;

try {
    print "taskJson=" . $request->task;
    $submitResponse = $client->submitTask($request);
    print "response.body.statusCode=" . $submitResponse->body->statusCode;
    if (21050000 == $submitResponse->body->statusCode) {
        $taskId = $submitResponse->body->taskId;
        print "submitTask success,task_id: " . $taskId . "\n";
    } else {
        print "submitTask failed,statusCode: " . $submitResponse->body->statusCode . ", statusText: " . $submitResponse->body->statusText;
        return ;
    }
} catch (TeaUnableRetryError $e) {
    var_dump($e->getMessage());
    var_dump($e->getErrorInfo());
    var_dump($e->getLastException());
    var_dump($e->getLastRequest());
}

if ($taskId != NULL) {
    $request = new GetTaskResultRequest();
    $request->taskId = $taskId;
  sleep(5);
    /**
     * 第三步:根据任务 ID 轮询识别结果。
     */
    while (true) {
      $getResponse = $client->getTaskResult($request);
      if (21050001 == $getResponse->body->statusCode) {
          print "getTaskResult: " . $getResponse->body->statusText . "\n";
      } else if (21050002 == $getResponse->body->statusCode) {
          print "getTaskResult: " . $getResponse->body->statusText . "\n";
      } else if (21050000 == $getResponse->body->statusCode) {
          print "getTaskResult: " . json_encode($getResponse) . "\n";
          return ;
      } else {
          print "getTaskResult failed,statusCode: " . $getResponse->body->statusCode . ", statusText: " . $getResponse->body->statusText;
          return ;
      }
      sleep(5);
   }
}
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