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<?php
namespace Orhanerday\OpenAi;
use Exception;
class OpenAi
{
private string $engine = "davinci";
private string $model = "text-davinci-002";
private string $chatModel = "gpt-3.5-turbo";
private array $headers;
private array $contentTypes;
private int $timeout = 0;
private object $stream_method;
private string $customUrl = "";
private string $proxy = "";
private array $curlInfo = [];
public function __construct($OPENAI_API_KEY)
{
$this->contentTypes = [
"application/json" => "Content-Type: application/json",
"multipart/form-data" => "Content-Type: multipart/form-data",
];
$this->headers = [
$this->contentTypes["application/json"],
"Authorization: Bearer $OPENAI_API_KEY",
];
}
/**
* @return array
* Remove this method from your code before deploying
*/
public function getCURLInfo()
{
return $this->curlInfo;
}
/**
* @return bool|string
*/
public function listModels()
{
$url = Url::fineTuneModel();
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $model
* @return bool|string
*/
public function retrieveModel($model)
{
$model = "/$model";
$url = Url::fineTuneModel().$model;
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $opts
* @return bool|string
* @deprecated
*/
public function complete($opts)
{
$engine = $opts['engine'] ?? $this->engine;
$url = Url::completionURL($engine);
unset($opts['engine']);
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @param null $stream
* @return bool|string
* @throws Exception
*/
public function completion($opts, $stream = null)
{
if (array_key_exists('stream', $opts) && $opts['stream']) {
if ($stream == null) {
throw new Exception(
'Please provide a stream function. Check https://github.com/orhanerday/open-ai#stream-example for an example.'
);
}
$this->stream_method = $stream;
}
$opts['model'] = $opts['model'] ?? $this->model;
$url = Url::completionsURL();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
*/
public function createEdit($opts)
{
$url = Url::editsUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
*/
public function image($opts)
{
$url = Url::imageUrl()."/generations";
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
*/
public function imageEdit($opts)
{
$url = Url::imageUrl()."/edits";
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
*/
public function createImageVariation($opts)
{
$url = Url::imageUrl()."/variations";
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
* @deprecated
*/
public function search($opts)
{
$engine = $opts['engine'] ?? $this->engine;
$url = Url::searchURL($engine);
unset($opts['engine']);
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
* @deprecated
*/
public function answer($opts)
{
$url = Url::answersUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
* @deprecated
*/
public function classification($opts)
{
$url = Url::classificationsUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
*/
public function moderation($opts)
{
$url = Url::moderationUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @param null $stream
* @return bool|string
* @throws Exception
*/
public function chat($opts, $stream = null)
{
if ($stream != null && array_key_exists('stream', $opts)) {
if (!$opts['stream']) {
throw new Exception(
'Please provide a stream function. Check https://github.com/orhanerday/open-ai#stream-example for an example.'
);
}
$this->stream_method = $stream;
}
$opts['model'] = $opts['model'] ?? $this->chatModel;
$url = Url::chatUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
*/
public function transcribe($opts)
{
$url = Url::transcriptionsUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
*/
public function translate($opts)
{
$url = Url::translationsUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param $opts
* @return bool|string
*/
public function uploadFile($opts)
{
$url = Url::filesUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @return bool|string
*/
public function listFiles()
{
$url = Url::filesUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $file_id
* @return bool|string
*/
public function retrieveFile($file_id)
{
$file_id = "/$file_id";
$url = Url::filesUrl().$file_id;
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $file_id
* @return bool|string
*/
public function retrieveFileContent($file_id)
{
$file_id = "/$file_id/content";
$url = Url::filesUrl().$file_id;
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $file_id
* @return bool|string
*/
public function deleteFile($file_id)
{
$file_id = "/$file_id";
$url = Url::filesUrl().$file_id;
$this->baseUrl($url);
return $this->sendRequest($url, 'DELETE');
}
/**
* @param $opts
* @return bool|string
*/
public function createFineTune($opts)
{
$url = Url::fineTuneUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @return bool|string
*/
public function listFineTunes()
{
$url = Url::fineTuneUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $fine_tune_id
* @return bool|string
*/
public function retrieveFineTune($fine_tune_id)
{
$fine_tune_id = "/$fine_tune_id";
$url = Url::fineTuneUrl().$fine_tune_id;
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $fine_tune_id
* @return bool|string
*/
public function cancelFineTune($fine_tune_id)
{
$fine_tune_id = "/$fine_tune_id/cancel";
$url = Url::fineTuneUrl().$fine_tune_id;
$this->baseUrl($url);
return $this->sendRequest($url, 'POST');
}
/**
* @param $fine_tune_id
* @return bool|string
*/
public function listFineTuneEvents($fine_tune_id)
{
$fine_tune_id = "/$fine_tune_id/events";
$url = Url::fineTuneUrl().$fine_tune_id;
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $fine_tune_id
* @return bool|string
*/
public function deleteFineTune($fine_tune_id)
{
$fine_tune_id = "/$fine_tune_id";
$url = Url::fineTuneModel().$fine_tune_id;
$this->baseUrl($url);
return $this->sendRequest($url, 'DELETE');
}
/**
* @param
* @return bool|string
* @deprecated
*/
public function engines()
{
$url = Url::enginesUrl();
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $engine
* @return bool|string
* @deprecated
*/
public function engine($engine)
{
$url = Url::engineUrl($engine);
$this->baseUrl($url);
return $this->sendRequest($url, 'GET');
}
/**
* @param $opts
* @return bool|string
*/
public function embeddings($opts)
{
$url = Url::embeddings();
$this->baseUrl($url);
return $this->sendRequest($url, 'POST', $opts);
}
/**
* @param int $timeout
*/
public function setTimeout(int $timeout)
{
$this->timeout = $timeout;
}
/**
* @param string $proxy
*/
public function setProxy(string $proxy)
{
if ($proxy && strpos($proxy, '://') === false) {
$proxy = 'https://'.$proxy;
}
$this->proxy = $proxy;
}
/**
* @param string $customUrl
* @deprecated
*/
/**
* @param string $customUrl
* @return void
*/
public function setCustomURL(string $customUrl)
{
if ($customUrl != "") {
$this->customUrl = $customUrl;
}
}
/**
* @param string $customUrl
* @return void
*/
public function setBaseURL(string $customUrl)
{
if ($customUrl != '') {
$this->customUrl = $customUrl;
}
}
/**
* @param array $header
* @return void
*/
public function setHeader(array $header)
{
if ($header) {
foreach ($header as $key => $value) {
$this->headers[$key] = $value;
}
}
}
/**
* @param string $org
*/
public function setORG(string $org)
{
if ($org != "") {
$this->headers[] = "OpenAI-Organization: $org";
}
}
/**
* @param string $url
* @param string $method
* @param array $opts
* @return bool|string
*/
private function sendRequest(string $url, string $method, array $opts = [])
{
$post_fields = json_encode($opts);
if (array_key_exists('file', $opts) || array_key_exists('image', $opts)) {
$this->headers[0] = $this->contentTypes["multipart/form-data"];
$post_fields = $opts;
} else {
$this->headers[0] = $this->contentTypes["application/json"];
}
$curl_info = [
CURLOPT_URL => $url,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => '',
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => $this->timeout,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => $method,
CURLOPT_POSTFIELDS => $post_fields,
CURLOPT_HTTPHEADER => $this->headers,
];
if ($opts == []) {
unset($curl_info[CURLOPT_POSTFIELDS]);
}
if (!empty($this->proxy)) {
$curl_info[CURLOPT_PROXY] = $this->proxy;
}
if (array_key_exists('stream', $opts) && $opts['stream']) {
$curl_info[CURLOPT_WRITEFUNCTION] = $this->stream_method;
}
$curl = curl_init();
curl_setopt_array($curl, $curl_info);
$response = curl_exec($curl);
$info = curl_getinfo($curl);
$this->curlInfo = $info;
curl_close($curl);
return $response;
}
/**
* @param string $url
*/
private function baseUrl(string &$url)
{
if ($this->customUrl != "") {
$url = str_replace(Url::ORIGIN, $this->customUrl, $url);
}
}
}