I am trying to upload a file to my server using the following code:
$feedInstanceID = random_str(32,'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ');
$target_dir = "/home/mysite/public_html/content";
 if(!file_exists($target_dir)) {
   mkdir($target_dir, 0777, true);
 }
 if ($resourceType == "image") {
   $my_file_name = $feedInstanceID . ".jpg";
 }
 else {
   $my_file_name = $feedInstanceID . ".mov"; 
 }
 $target_dir = $target_dir . "/" . basename($_FILES["file"][$my_file_name]);
if (move_uploaded_file($_FILES["file"]["tmp_name"], $target_dir)) 
{
 if ($result) {
  $response["error"] = FALSE;
  echo json_encode($response);
}
else {
  $response["error"] = TRUE;
  $response["error_msg"] = "Can't insert!";
  echo json_encode($response);
}
} else {
 $response["error"] = TRUE;
 $response["error_msg"] = $_FILES["file"]["error"];
 echo json_encode($response);
}
and I receive the following error output :
[25-Aug-2016 14:18:59 UTC] PHP Notice:  Undefined index: RsmyqMeswmZZ4eo44X14D6bYEgPiobvV.jpg in /home/mysite/public_html/new_upload.php on line 81
[25-Aug-2016 14:18:59 UTC] PHP Warning:  move_uploaded_file(): The second argument to copy() function cannot be a directory in /home/mysite/public_html/new_upload.php on line 83
[25-Aug-2016 14:18:59 UTC] PHP Warning:  move_uploaded_file(): Unable to move '/tmp/phpKMPply' to '/home/mysite/public_html/content/' in /home/mysite/public_html/new_upload.php on line 83
