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Date: Sun, 29 Mar 2015 23:16:23 +0200
To: PHP Internals <internals@lists.php.net>
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Subject: Strange behaviour on upload
From: ingwie2000@googlemail.com ("Kevin Ingwersen (Ingwie Phoenix)")

Hey.

I am running my PHP app through a NodeJS server using a FastCGI bridge. =
Today, I was about to implement an image uploader on my site - only to =
realize that file uploads were not possible.

So I generated a few files and tested how big the files must be for the =
upload to fail. I got surprised how early this happened:

Ingwie@Ingwies-Macbook-Pro.local ~/W/BIRD3 $ genfile 31k text.txt; and =
curl -v -4 -X POST -F "img=3D@text.txt" =
http://localhost:8080/user/changeAvatar
(=E2=80=A6)
Ingwie@Ingwies-Macbook-Pro.local ~/W/BIRD3 $ ls -l text.txt=20
-rw-r--r--+ 1 Ingwie  staff  63488 29 M=C3=A4r 23:10 text.txt

the genfile command is a simple function:

function genfile
    command dd if=3D/dev/urandom of=3D$argv[2] bs=3D$argv[1] count=3D2
end

(I am using the fish shell, so its slightly different to Bash.)

The error that I am seeing on the PHP end is that the file array=E2=80=99s=
 error property shows =E2=80=9E3=E2=80=9C, which is the =
UPLOAD_ERR_PARTIAL constant.

My question is, under which conditions is that error triggered? I can =
verify that my NodeJS FCGI bridge is correctly giving all bites to the =
process, so PHP should actually have the entire request body (the file =
names and contents) at hand.

BTW, my backend is talking to PHP via php-fpm.

Kind regards, Ingwie.=