Как исправить ошибку «CURLFile» не найдена?

Я пытаюсь реализовать маркет для создания файла отдыха API. Но я получаю ошибку «Class CURLFile not found» из-за моей версии php. Поэтому, пожалуйста, помогите, как я могу использовать функцию ‘CURLFile’ в более низком php, или это любой другой эквивалент той же функции. Пожалуйста, проверьте мой код ниже: —

<?php
$file = new CreateFile();
$file->file = new CURLFile("File.txt", "text/plain", "file");
$file->folder = new stdClass();
$file->folder->id = 5565;
$file->folder->type = "Folder";
$file->name = "Test File.txt";
print_r($file->postData());

class CreateFile{
private $host = "CHANGE ME";
private $clientId = "CHANGE ME";
private $clientSecret = "CHANGE ME";
public $name;//name of file to create, required
public $file;//CURLFile of file to input
public $folder;//json object with two members, id and type(Folder or Program)
public $description;//option description of file
public $insertOnly;//boolean option to only perform an Insert

public function postData(){
$url = $this->host . "/rest/asset/v1/files.json?access_token=" . $this->getToken();
$ch = curl_init($url);
$requestBody = $this->bodyBuilder();
curl_setopt($ch,  CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('accept: application/json','Content-Type: multipart/form-data'));
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $requestBody);
curl_getinfo($ch);
$response = curl_exec($ch);
return $response;
}

private function getToken(){
$ch = curl_init($this->host . "/identity/oauth/token?grant_type=client_credentials&client_id=" . $this->clientId . "&client_secret=" . $this->clientSecret);
curl_setopt($ch,  CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('accept: application/json',));
$response = json_decode(curl_exec($ch));
curl_close($ch);
$token = $response->access_token;
return $token;
}
private function bodyBuilder(){
$requestBody = array("file" => $this->file, "name" => $this->name, "folder" => json_encode($this->folder));
if (isset($this->description)){
$requestBody["description"] = $this->description;
}
if(isset($this->insertOnly)){
$requestBody["insertOnly"] = $this->insertOnly;
}
return $requestBody;
}
}