PHP Extension

OpenAI (ChatGPT) Create Transcription

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Show how to transcribe audio to text. PHP Extension

<?php

include("chilkat.php");

$success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$http = new CkHttp();

// Implements the following CURL command:

// curl https://api.openai.com/v1/audio/transcriptions \
//   -H "Authorization: Bearer $OPENAI_API_KEY" \
//   -H "Content-Type: multipart/form-data" \
//   -F file="@/path/to/file/audio.mp3" \
//   -F model="whisper-1"

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

$req = new CkHttpRequest();
$req->put_HttpVerb('POST');
$req->put_Path('/v1/audio/transcriptions');
$req->put_ContentType('multipart/form-data');
$success = $req->AddFileForUpload2('file','qa_data/mp3/Conversation-with-39-year-old-male-Virginia_afccal000227_001_00-03-37.mp3','audio/mpeg');

$req->AddParam('model','whisper-1');

$req->AddHeader('Expect','100-continue');
// This is NOT a real key.  Change the "sk-vi...." to your own key.
$req->AddHeader('Authorization','Bearer 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');

$resp = new CkHttpResponse();
$success = $http->HttpSReq('api.openai.com',443,true,$req,$resp);
if ($success == false) {
    print $http->lastErrorText() . "\n";
    exit;
}

$sbResponseBody = new CkStringBuilder();
$resp->GetBodySb($sbResponseBody);

$jResp = new CkJsonObject();
$jResp->LoadSb($sbResponseBody);
$jResp->put_EmitCompact(false);

print 'Response Body:' . "\n";
print $jResp->emit() . "\n";

$respStatusCode = $resp->get_StatusCode();
print 'Response Status Code = ' . $respStatusCode . "\n";
if ($respStatusCode >= 400) {
    print 'Response Header:' . "\n";
    print $resp->header() . "\n";
    print 'Failed.' . "\n";
    exit;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "text": "Imagine the wildest idea that you've ever had, and you're curious about how it might scale to something that's a 100, a 1,000 times bigger. This is a place where you can get to do that."
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

$text = $jResp->stringOf('text');

?>