问PHP POST API未收到文件

EN

<?php
function callAPI($method, $url, $data){
  $curl = curl_init();

  switch ($method){
     case "POST":
        curl_setopt($curl, CURLOPT_HEADER, 0);
        curl_setopt($curl, CURLOPT_POST, 1);
        if ($data)
           curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        break;
     case "PUT":
        curl_setopt($curl, CURLOPT_HEADER, true);
        curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PUT");
        if ($data)
           curl_setopt($curl, CURLOPT_POSTFIELDS, $data);                               
        break;
     default:
        if ($data)
           $url = sprintf("%s?%s", $url, http_build_query($data));
  }
  $username = "";
  $password = "";
  curl_setopt($curl, CURLOPT_URL, $url);
  curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
  curl_setopt($curl, CURLOPT_USERPWD, $username . ":" . $password); 
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
  curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
  curl_setopt($curl, CURLOPT_TIMEOUT, 90);
  curl_setopt($curl, CURLINFO_HEADER_OUT, true);
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);


  // EXECUTE:
  $result = curl_exec($curl);
  if(!$result){die("Connection Failure");}
  curl_close($curl);
  return $result;
}
?>



<?php
include('api.php');

$_SESSION['ip'] = "";
$_SESSION['url'] = "http://".$_SESSION['ip']."/api/v1";

$target_dir = "../uploads/";
$target_file = $target_dir . basename($_FILES["file"]["name"]);
move_uploaded_file($_FILES["file"]["tmp_name"], $target_file); 
$filedata = $_FILES["file"]["tmp_name"];
echo $target_file;
$data_array =  array(
  "jobname" => "file",
  "file" => "new \CURLFile(realpath($filedata))"
);
$_SESSION['size'] = $_FILES['file']['size'];
//$make_call = callAPI('POST', $_SESSION['url']."/print_job", $data_array);
$response = callAPI('POST', $_SESSION['url']."/print_job", $data_array);
$_SESSION['print'] = $response;
header('location: ../index.php');
?>

file_put_contents("E:/xyz/test.gcode",file_get_contents("../uploads/".$_FILES["file"]["name"]));
$filedata='E:/xyz/test.gcode';
if(!is_readable(realpath($filedata))){throw new \RuntimeException("upload file not readable!");}

$data_array =  array(
  'jobname' => 'file',
  'file' => new \CURLFile($filedata)
);