使用Lumen在000webhost中使用tmp_name null

Question

I am using lumen in 000webhost hosting and can't upload a file because tmp_name is empty. If i'm using $request->hasFile('image'), it will return false. And $_FILES['file']['error'] return 6. What can I do ?

However, file upload at my localhost run without a problem, And I've tried to follow laravel project installation for 000webhost in here https://www.000webhost.com/forum/t/deploy-laravel-project-into-000webhost-site/127323.

$file_tmp = $_FILES['image']['tmp_name']; //returns empty
$request->hasFile('image') // returns false

I expect $_FILES['image']['tmp_name'] return a string containing temp_name folder.

upload_max_filesize and post_max_size is 8M so filesize is not an issue.

Thankyou!